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    We are excited to invite you to visit us at the 9th Guangzhou International Emergency Safety Expo (iESE 2026)!     Booth Info  Date: June 16-18, 2026  Venue: Canton Fair Complex Area A, Guangzhou  Booth No.: 1.1K09     HOLITH will showcase our reliable lithium-manganese batteries, built specifically for emergency & safety devices. Our products power: Emergency lighting Fire alarm sensors Rescue tracking devices Safety monitoring equipment  Our batteries feature: Ultra-low self-discharge Wide temperature range (-40°C to +85°C) High reliability & safety Full OEM/ODM customization   With over 40 years of battery manufacturing experience, we provide stable power solutions for global safety brands.   Come visit us at Booth 1.1K09 to discuss your project needs and explore cooperation opportunities.     Contact Us Phone: +86-13380989705 Email: sale@holith.com Website: www.honglienergy.com  

Date: May 26–29, 2026 Venue: Shanghai New International Expo Centre (SNIEC)     We are showing reliable lithium-manganese batteries built for smart kitchens and bathrooms. Our booth has welcomed many global visitors.   Our Batteries Models: CR123A, CR2, CR17450, CR1/3N Features: Very low self-discharge Works from -40°C to +85°C Safe, leak-proof design RoHS, CE, UN38.3 certified OEM/ODM available   About HOLITH 40+ years of battery manufacturing experience. We provide stable supply and custom solutions for smart home brands.     Visit Us Come to Booth E5E43 before May 29 to discuss your needs. Contact: +86-13380989705 | sale@holith.com | www.honglienergy.com   #HOLITH #KBC2026 #KitchenBathIndustry #SmartHome #LithiumManganeseBattery

    HOLITH confirms its participation in Expo Electronica 2026 in Russia, showcasing core lithium manganese battery technology to explore the Eastern European market. Held at Moscow Crocus Expo on April 14-16, HOLITH presents customized lithium manganese battery solutions at Booth D6155. With rich experience in lithium manganese batteries, HOLITH offers OEM/ODM services, featuring wide temperature adaptability and long service life. We invite all partners to visit Booth D6155 for cooperation and market exploration! v Contact: +86-13380989705 v Email: sale@holith.com v Website: www.honglienergy.com #HOLITH #ExpoElectronica2026 #MoscowElectronicsExpo #LithiumManganeseBattery #EasternEuropeanMarket #PowerSolutions

The 139th Canton Fair will officially kick off at the China Import and Export Fair Complex in Guangzhou, from April 15 to 19, 2026. Jiangmen Hongli Energy Co., Ltd. (brand: HOLITH), a national high-tech enterprise specializing in high-performance lithium manganese batteries, will present our full range of reliable power solutions at Booth 17.2K32. Our core products stand out with long service life, wide operating temperature range, and ultra-low self-discharge, perfectly serving global clients in medical electronics, IoT, security, marine equipment and other industries. We also offer fully customized OEM/ODM services. We sincerely invite all global partners to visit our booth, discuss your needs in person, inspect our samples, and explore new cooperation opportunities in 2026 with us.  Contact: +86-13380989705  Email: sale@holith.com  Website: www.honglienergy.com #HOLITH #139thCantonFair #LithiumManganeseBattery #Manufacturer #PowerSolutions    

Hongli Energy (HOLITH) kicks off the new year with full operations! All staff are on duty, and production is running at full capacity.The 2026 Year of the Horse new journey has officially begun. We will continue to provide high-quality lithium manganese batteries and reliable supply chain services to global customers.Welcome new and existing clients to inquire and place orders at any time. Let’s grow together in the new year!Contact: +86-13380989705Website: www.honglienergy.com

Guangdong Hongli New Energy Technology Co., Ltd. (hereinafter referred to as "Hongli New Energy") announced the successful topping-out of the main structure of its new workshop on November 22, 2025—a pivotal milestone marking the company’s strategic advancement in production capacity expansion and technological upgrading. The topping-out ceremony, adorned with fluttering ribbons and symbolic blessing decorations, embodied the sincere aspirations of all employees for the project’s smooth progression and underscored the company’s solid strides toward scaling up operations. Notably, construction of the new workshop officially commenced in December 2024. Following nearly 11 months of efficient and systematic construction, the project has now completed the main structure capping. It will subsequently enter a comprehensive phase encompassing interior renovation, equipment installation, and commissioning, with official commissioning and operation scheduled to kick off on May 1, 2026.   As a seasoned pioneer deeply rooted in the new energy technology industry, Hongli New Energy has forged a solid technical foundation and earned an outstanding market reputation over the years. The development of this new workshop represents a strategic move for the company to align with industry development trends and drive strategic upgrading. Upon its official commissioning, the project will not only significantly boost the company’s production capacity and further optimize production processes but also establish a more robust hardware platform for technological R&D and product iteration—continuously strengthening the enterprise’s core competitive advantages. Standing at this new milestone, Hongli New Energy will continue to leverage its accumulated technical expertise and industry insights to deepen its engagement in the core new energy sector. We will break through technological bottlenecks through innovation, respond to market demands with more precise services, and explore a new development landscape with steadier steps. As the countdown to the 2026 commissioning begins, our company is actively preparing to inject greater "Hongli Momentum" into the high-quality development of the global new energy industry with its upgraded production layout.   For more information, please contact: +86-13380989705

1. Event Overview The 20th China International Public Security Expo (CPSE) was successfully held from October 28 to 31, 2025, at the Shenzhen Convention and Exhibition Center. Under the theme "Digital-Driven, Intelligent Innovation for the Future," the event brought together over 1,100 global enterprises showcasing more than 20,000 innovative technologies and products, attracting nearly 200,000 professional visitors. Hongli Energy's booth (2C85, Hall 2) highlighted the application of lithium-manganese batteries in security fields, fostering exchanges on intelligent and green development trends.     2. Exhibition Highlights & Achievements l Industry Recognition for Products Our core products, including lithium-manganese cylindrical and soft-pack batteries, drew significant attention for their high operating voltage (3.0V), wide temperature range (-40~85°C), and long service life. Their reliability in smart smoke detectors, access control systems, and backup power applications resonated strongly with integrators. l Global Client Engagement Long-term partners visited our booth to solidify procurement plans. International clients from the Middle East, South Africa, and Russia expressed keen interest in customized power solutions, with several initiating sample tests and factory inspection arrangements. l Industry Insights & Collaboration Exchanges with peers deepened our understanding of trends such as intelligent power management and low-energy consumption. The event also facilitated valuable connections with upstream and downstream industry players, paving the way for future collaborations.     3. Future Directions As a bellwether for the security industry, CPSE 2025 underscored the potential of technology-scenario integration. Hongli Energy will continue to innovate in lithium-manganese battery applications for smart security systems, supported by our new factory (30-acre site, annual capacity exceeding 100 million units) and international certifications (UL, UN38.3, IEC, etc.), to deliver safer and greener energy solutions worldwide.     4. Acknowledgments We extend our gratitude to the organizers, partners, and clients for their trust. Hongli Energy remains committed to the principles of "Safety, Environmental Protection, and Quality" as we grow alongside the industry.

Today, we gather to honor a milestone painted by time itself: Hongli Energy’s 10th anniversary.   This is no full stop, but a fresh stanza rising—where past strides echo, and higher skies beckon.   Ten years have woven their tale: each step resounded, each challenge forged strength, each dream took root.   Now, rooted in that soil of experience, we turn to what’s next:   To deepen our craft, like hands shaping masterpieces;   To pioneer breakthroughs, as stars chart uncharted heavens;   To serve you better—our trust, the compass guiding every endeavor.   So let us press forward, hearts unyielding, steps sure.   May each year ahead unfurl like a blooming scroll:   Growth that hums, peaks that gleam, and progress painting the world bright.   Together, let’s write—not just a chapter, but a saga of vitality,   Where every line breathes “Hongli Energy,” and every verse sings “forward.”      

Load testing a lithium battery means checking how the battery performs under real working current, not only measuring open circuit voltage. For smart meters, alarms, sensors, medical devices, GPS trackers, and industrial terminals, load testing helps confirm whether the battery can support stable operation before bulk use. Why Load Testing Matters Primary lithium manganese batteries often keep stable voltage for much of their service life, then drop quickly near end of life. This means a simple voltage reading may look acceptable, while the battery may still fail under load. Test Item Purpose Open Circuit Voltage Basic condition check Load Voltage Real working performance Internal Resistance Cell consistency evaluation Pulse Current Test Checks short power demand Temperature Test Reviews application stability Safe Testing Method A load test should use a suitable test fixture, correct resistance load, and controlled testing environment. The load should match the device’s actual current demand. Do not short-circuit, overheat, puncture, recharge, or force-discharge primary lithium batteries. IEC 60086 covers safety requirements for primary batteries, while lithium battery transport commonly requires UN38.3 test information and MSDS. Manufacturer Vs Trader A trader may provide battery models, but may not control capacity grading, internal resistance, leakage inspection, pulse discharge performance, or batch traceability. A direct manufacturer can manage cell production, testing, pack assembly, labeling, packing, and export documents more effectively. OEM ODM And Quality Control Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, button cells, and customized lithium battery packs. For OEM / ODM projects, buyers should confirm voltage, capacity, pulse current, continuous current, operating temperature, connector, wire length, label content, packing method, and load test requirement. Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, temperature performance, packing accuracy, and batch records. Load testing should reflect the final device environment. Hongli can support stable lithium battery production, customized battery packs, and export-ready documentation for industrial power applications.

For Hongli products, the first point is important: primary lithium batteries are not rechargeable. CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V and 3V button cells are designed for one-time discharge. They should not be charged. When depleted, they should be replaced with the correct model. Check Battery Chemistry First “How to know when lithium battery is fully charged” mainly applies to rechargeable lithium-ion batteries. For primary lithium manganese batteries, there is no full-charge status after use. Recharging can cause leakage, overheating, internal pressure, or safety failure. Battery Type Charging Status Primary Lithium Battery Not rechargeable Lithium Manganese Battery Replace after discharge Lithium Battery Pack Depends on cell chemistry Rechargeable Lithium-Ion Requires matched charger and BMS Industrial Battery Project Needs application review Manufacturer Vs Trader A trader may provide many battery models, but may not control cell consistency, internal resistance, leakage inspection, pack insulation, label accuracy, or batch traceability. A direct manufacturer can manage cell production, testing, pack assembly, packaging, and export documents more effectively. Hongli focuses on primary lithium manganese batteries and customized lithium battery packs for smart meters, sensors, alarms, medical devices, GPS trackers, and industrial equipment. OEM ODM Project Review For OEM / ODM projects, buyers should confirm voltage, capacity, pulse current, continuous current, operating temperature, connector, wire length, label content, packing method, and whether the battery is rechargeable or primary. This prevents wrong charging design and improves device safety. Quality Control And Export Compliance Hongli checks open circuit voltage, capacity, internal resistance, leakage, polarity, insulation, appearance, temperature performance, packing accuracy, and batch records. Lithium battery export usually requires MSDS, UN38.3 test information, correct packaging, carton marks, and transport documents. For Hongli primary lithium batteries, the correct question is not whether the battery is fully charged after use, but whether it is the right model for the device and whether it still has enough capacity for operation. Hongli can support stable battery supply, customized pack development, and export-ready documentation.

To know if something has lithium battery, start by checking the product label, user manual, battery compartment, packaging mark, and shipping document. Many devices use lithium batteries because they need long storage life, stable voltage, compact size, and reliable power output. Common Devices With Lithium Batteries Lithium batteries are often used in smart meters, security sensors, smoke alarms, medical devices, GPS trackers, cameras, wireless terminals, and industrial monitoring equipment. Products marked with CR, Li-MnO₂, lithium manganese dioxide, 3V lithium battery, or lithium battery pack usually contain lithium cells. Check Area What To Look For Product Label Lithium, Li-MnO₂, CR model Manual Battery chemistry and voltage Battery Compartment CR123A, CR2, CR14505, CR17450 Shipping Carton Lithium battery handling mark MSDS Battery chemistry information Why Identification Matters Lithium batteries require correct handling, storage, transport, and disposal. International transport commonly requires UN38.3 test information, MSDS, proper packaging, and clear carton marks. This is important for importers, equipment brands, and industrial project buyers managing bulk battery-powered products. Manufacturer Vs Trader A trader may provide batteries, but may not control cell consistency, capacity grading, internal resistance, labeling accuracy, safety testing, or batch traceability. A direct manufacturer can manage cell production, battery pack assembly, testing, labeling, packaging, and export documents more effectively. Hongli Battery Supply Support Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, 3V button cells, and customized lithium battery packs. For OEM / ODM projects, buyers should confirm voltage, capacity, current load, connector, wire length, label content, packing method, and compliance documents. Quality And Compliance Checks Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, temperature performance, packing accuracy, and batch records. Identifying lithium batteries correctly helps prevent wrong replacement, unsafe transport, and compliance problems.

A lithium battery may be dead when the device cannot start, runtime becomes much shorter, voltage drops below the device requirement, or the battery shows leakage, swelling, corrosion, overheating, or physical damage. For industrial sensors, smart meters, alarms, GPS trackers, and medical equipment, battery testing should combine voltage data, load behavior, and appearance inspection. Check Voltage And Load Performance Open circuit voltage can show basic battery condition, but it is not always enough. Primary lithium manganese batteries often keep a stable voltage for much of their discharge life, then drop quickly near the end. A load test gives a more practical result because it shows whether the battery can still power the device under real working current. Test Item What It Helps Confirm Open Circuit Voltage Basic remaining condition Load Voltage Real working ability Internal Resistance Aging or performance drop Appearance Leakage, rust, swelling, damage Device Runtime Practical replacement timing Confirm Battery Chemistry First Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, 3V button cells, and customized lithium battery packs. These batteries are not rechargeable. When depleted, they should be replaced instead of charged or repaired. Manufacturer Vs Trader A trader may offer different battery models, but often cannot control cell consistency, capacity grading, internal resistance, leakage inspection, pack assembly, or batch traceability. A direct manufacturer can manage cell production, testing, labeling, packaging, and export documents more effectively. OEM ODM And Quality Control For OEM / ODM projects, buyers should confirm voltage, capacity, pulse current, continuous current, operating temperature, connector, wire length, label, packing method, and replacement standard. Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, temperature performance, packing accuracy, and batch records. When Replacement Is Safer A lithium battery should be replaced when load voltage collapses, runtime is unstable, the device gives low-battery alarms, or the battery shows any visible damage. Bulk orders should also confirm MSDS, UN38.3 test information, carton marks, storage requirements, and export documents.

Knowing whether a lithium battery is dead helps prevent device failure, wrong replacement, and unsafe reuse. For smart meters, alarms, sensors, medical devices, GPS trackers, and industrial terminals, battery condition should be checked through voltage, load performance, appearance, and application behavior. Start With Device Symptoms A dead lithium battery may cause weak signal output, unstable startup, short runtime, warning alarms, or complete power failure. For primary lithium batteries, replacement is required when the battery is depleted, because these cells are not rechargeable. Checkpoint What It Shows Open Circuit Voltage Basic battery condition Load Voltage Real working performance Device Runtime Remaining service value Appearance Leakage, swelling, corrosion, damage Contact Area Poor connection or oxidation Primary Lithium Battery Testing Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, 3V button cells, and customized lithium battery packs. These batteries often keep stable voltage for much of their discharge life, so voltage alone may not show the full remaining capacity. A load test gives a more practical result. Manufacturer Vs Trader A trader may provide battery models, but may not control cell consistency, capacity grading, internal resistance, leakage inspection, or batch traceability. A direct manufacturer can manage cell production, pack assembly, testing, labeling, packaging, and export documents more effectively. OEM ODM And Quality Control For OEM / ODM battery projects, buyers should confirm voltage, capacity, pulse current, continuous current, operating temperature, connector, wire length, packing method, and replacement standard. Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, temperature performance, packing accuracy, and batch records. When To Replace A lithium battery should be replaced when voltage drops below device requirement, load voltage collapses, runtime becomes too short, or the battery shows leakage, corrosion, swelling, overheating, or physical damage. For bulk sourcing, buyers should also confirm MSDS, UN38.3 test information, carton marks, storage conditions, and export documents. Hongli can support stable lithium battery production, customized battery packs, and export-ready supply for long-life industrial applications.

Preserving lithium battery life starts before the battery enters the device. For smart meters, alarms, sensors, medical devices, GPS trackers, and industrial terminals, battery life depends on correct chemistry selection, load matching, storage condition, temperature control, and manufacturing consistency. Start With The Correct Battery Type Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, 3V button cells, and customized lithium battery packs. Primary lithium batteries are not rechargeable. Their life is preserved by reducing unnecessary power loss, avoiding misuse, and matching the battery to the device load. Factor How It Helps Preserve Life Correct Voltage Prevents device mismatch Proper Capacity Supports runtime target Low Standby Current Reduces idle energy loss Dry Storage Helps prevent corrosion Stable Temperature Protects battery performance Correct Packaging Reduces short-circuit risk Manufacturer Vs Trader A trader may provide different battery models, but may not control cell consistency, capacity grading, internal resistance, leakage inspection, pack insulation, or batch traceability. A direct manufacturer can manage cell production, pack assembly, testing, labeling, packaging, and export documents more effectively. OEM ODM Battery Planning OEM / ODM projects should confirm voltage, capacity, pulse current, continuous current, operating temperature, connector, wire length, label content, packing method, and expected service life. Good battery life preservation depends on choosing the right cell before mass production, not only on later storage. Quality Control Checkpoints Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, high-low temperature performance, packing accuracy, and batch records. Export orders should also confirm MSDS, UN38.3 test information, carton marks, storage recommendations, shipment mode, and destination market requirements. Better Life Starts With Better Matching To preserve lithium battery life, store batteries in a cool, dry place, avoid short circuits, avoid mixing old and new batteries, do not recharge primary lithium batteries, and select the correct model for the device’s load profile. Hongli can support stable lithium battery production, customized battery packs, and export-ready supply for long-life industrial applications.

A lithium battery should not be neutralized at home or by untrained staff. Lithium batteries may contain reactive materials, flammable components, and stored electrical energy. When a battery is damaged, leaking, hot, swollen, or corroded, the safer action is isolation, professional handling, and approved recycling, not chemical treatment. Why Neutralizing A Lithium Battery Is Risky Primary lithium batteries are designed for one-time discharge. Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, button cells, and customized lithium battery packs. These batteries should not be opened, crushed, burned, punctured, recharged, or soaked in unknown chemicals. Battery Condition Safer Action Normal used battery Protect terminals and recycle properly Leaking battery Isolate and avoid direct contact Hot battery Move away and monitor safely Swollen battery Stop use immediately Damaged pack Contact qualified waste handler Manufacturer Vs Trader A trader may provide many battery models, but may not control cell consistency, leakage inspection, internal resistance, safety testing, labeling, or batch traceability. A direct manufacturer can manage cell production, pack assembly, quality inspection, packaging, and export documents more effectively. OEM ODM Safety Planning For OEM / ODM battery projects, buyers should confirm voltage, capacity, pulse current, continuous current, connector, wire length, working temperature, label content, packing method, and safety documents. Clear labeling and correct battery selection reduce misuse during storage, installation, replacement, and disposal. Quality Control And Export Compliance Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, temperature performance, packing accuracy, and batch records. Lithium battery export commonly requires MSDS, UN38.3 test information, proper packaging, carton marks, and transport documents. The safest way to “neutralize” lithium battery risk is prevention: choose the correct model, avoid abuse, store batteries properly, protect terminals, and send used or damaged batteries to approved recycling channels. Hongli can support stable lithium battery supply, customized battery packs, and export-ready documentation for industrial applications.

Monitoring lithium battery levels is important for maintaining device reliability, predicting replacement schedules, and preventing unexpected downtime. In applications such as smart metering, security systems, medical devices, GPS tracking equipment, wireless sensors, and industrial monitoring terminals, battery level monitoring helps ensure stable performance throughout the product lifecycle. Why Battery Level Monitoring Matters A lithium battery may continue delivering stable voltage for a long period before its available capacity begins to decline. Without proper monitoring, devices may suddenly lose power, causing data loss, communication interruption, or maintenance challenges. Industry studies on lithium battery performance show that monitoring battery condition can improve maintenance planning and reduce unexpected service interruptions, especially in remote installations where battery replacement requires labor and transportation costs. Monitoring Goal Benefit Remaining Capacity Tracking Better maintenance planning Voltage Monitoring Early performance evaluation Load Analysis Improved runtime prediction Temperature Observation Reduced performance variation Replacement Scheduling Lower downtime risk Common Methods For Monitoring Lithium Battery Levels Several methods are commonly used to evaluate battery status. Open Circuit Voltage Measurement Voltage measurement remains one of the most practical monitoring approaches. By measuring battery voltage after a resting period, users can estimate remaining battery condition and identify cells approaching end-of-life status. Load Voltage Monitoring Some devices monitor battery voltage while operating. This method provides a more realistic view of battery performance under actual working conditions. Capacity Tracking For long-life applications, monitoring total energy consumption over time can help estimate remaining battery life more accurately. Smart Device Integration Many modern industrial systems include built-in battery monitoring functions that collect voltage, temperature, and power consumption data automatically. Primary Lithium Battery Monitoring Challenges Hongli specializes in primary lithium manganese dioxide batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, button cells, and customized lithium battery packs. Primary lithium batteries are known for their stable discharge curves. Because voltage remains relatively constant during much of the discharge cycle, battery monitoring should combine voltage measurements with application-specific power consumption analysis. Manufacturer Vs Trader Battery level monitoring accuracy begins with battery consistency. A trader may source batteries from multiple suppliers, making it difficult to maintain stable capacity, internal resistance, and voltage characteristics between production batches. A direct manufacturer can control: Raw material selection Cell production processes Capacity grading Internal resistance testing Batch traceability Long-term quality consistency This consistency helps improve battery monitoring reliability across large deployments. OEM ODM Development Considerations OEM and ODM battery projects should define battery monitoring requirements during the design stage. Important factors include: Design Factor Impact On Monitoring Battery Chemistry Determines discharge behavior Capacity Influences runtime calculations Load Current Affects voltage performance Operating Temperature Impacts battery efficiency Device Firmware Enables monitoring functions Early planning helps ensure monitoring systems provide meaningful data throughout the battery's service life. Quality Control Checkpoints Reliable battery monitoring depends on consistent battery quality. Hongli performs quality inspections covering: Open circuit voltage Rated capacity Internal resistance Leakage testing High and low temperature performance Appearance inspection Polarity verification Packaging accuracy Batch traceability records These inspections help maintain stable battery characteristics across production lots. Bulk Supply And Export Compliance For large-scale projects, buyers should evaluate not only battery performance but also documentation and compliance support. Important considerations include: UN38.3 transportation testing MSDS documentation Export packaging requirements Carton marking standards Storage recommendations Production lead time Long-term supply stability Hongli supports customized lithium battery solutions with export-ready documentation and stable production capabilities for industrial applications worldwide. Monitoring Starts With Battery Consistency Effective lithium battery level monitoring is not only about measuring voltage. It also depends on battery quality consistency, application design, load conditions, and environmental factors. By combining proper monitoring methods with reliable battery manufacturing, devices can achieve more predictable performance and improved operational stability throughout their service life.

Measuring the state of charge of lithium battery helps estimate remaining energy, device runtime, replacement timing, and storage condition. For smart meters, alarms, sensors, medical devices, GPS trackers, and industrial terminals, SOC evaluation should be based on battery chemistry, voltage curve, load current, temperature, and device power demand. Common SOC Measurement Methods Open circuit voltage is the most common basic method. The battery should rest before testing, because voltage under load may be lower than its real condition. For more accurate projects, engineers may use discharge testing, coulomb counting, or device-side battery management data. Method Main Use Open Circuit Voltage Quick battery condition check Load Voltage Test Checks performance under working load Discharge Test Measures actual remaining capacity Coulomb Counting Used in advanced battery systems Temperature Review Helps correct test results Primary Lithium Battery Considerations Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, 3V button cells, and customized lithium battery packs. Primary lithium batteries are not rechargeable, and their voltage curve can stay stable for a long period before dropping near end of life. This means voltage alone may not always show remaining capacity accurately. Manufacturer Vs Trader A trader may supply battery models, but may not control cell consistency, capacity grading, internal resistance, leakage inspection, or batch traceability. A direct manufacturer can manage material selection, cell production, testing, labeling, packing, and export documents more effectively. OEM ODM And Testing Design For OEM / ODM projects, buyers should confirm voltage, capacity, pulse current, continuous current, operating temperature, connector, wire length, label content, storage life, and SOC testing method. Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, high-low temperature performance, packing accuracy, and batch records. Export And Bulk Supply Checks Lithium battery export commonly requires MSDS, UN38.3 test information, proper packaging, carton marks, and transport documents. Before bulk orders, buyers should confirm application load, test standard, MOQ, lead time, packing method, and compliance documents. SOC measurement is most reliable when it combines voltage data, load behavior, temperature, and application testing. Hongli can support stable lithium battery production, customized battery packs, and export-ready documentation for industrial power applications.

Maintaining a lithium battery starts with correct storage, proper installation, suitable device matching, and safe handling. For smart meters, alarms, sensors, medical devices, GPS trackers, security equipment, and industrial terminals, good maintenance helps protect service life and reduce safety risks. Know The Battery Type Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, 3V button cells, and customized lithium battery packs. Primary lithium batteries are not rechargeable. They should not be charged, heated, punctured, crushed, short-circuited, or mixed with old batteries. Maintenance Point Why It Matters Correct Model Prevents voltage mismatch Dry Storage Reduces corrosion risk Stable Temperature Helps protect capacity Clean Contacts Improves device connection Proper Packing Prevents short circuit Storage And Daily Handling Lithium batteries should be stored in a cool, dry, ventilated place, away from direct sunlight, fire, water, and metal objects. Damaged, leaking, swollen, overheated, or corroded batteries should not be used. IEC 60086 covers safety requirements for primary batteries, while UN38.3 test information is commonly required for lithium battery transportation. Manufacturer Vs Trader A trader may provide battery models, but may not control cell consistency, internal resistance, leakage inspection, polarity accuracy, pack insulation, or batch traceability. A direct manufacturer can manage cell production, pack assembly, testing, labeling, packaging, and export documents more effectively. OEM ODM And Quality Control For OEM / ODM projects, buyers should confirm voltage, capacity, pulse current, continuous current, operating temperature, connector, wire length, label content, packing method, and service life target. Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, high-low temperature performance, packing accuracy, and batch records. Proper lithium battery maintenance means using the right battery, storing it safely, avoiding misuse, and confirming compliance documents before bulk supply. Hongli can support stable lithium battery production, customized battery packs, and export-ready documentation for industrial applications.

Lithium battery fire response must focus on personal safety first. When a battery overheats, smokes, swells, leaks, or catches fire, people should move away, isolate nearby flammable materials when safe, and call emergency services for serious incidents. The FAA advises immediate action when lithium batteries show smoke, fire, or extreme heat, while NFPA notes that water can be used by firefighters to cool lithium-ion battery fires and reduce heat spread. What To Do First Small device fires may be controlled with a suitable extinguisher and water cooling when it is safe to act. Large battery packs, spreading flames, toxic smoke, or repeated reignition should be handled by trained responders. Situation Safer Response Hot battery Stop use and isolate safely Smoke or odor Leave the area and ventilate Small flame Use extinguisher if trained Reheating risk Cool and monitor from distance Large fire Call emergency responders Prevention Starts Before Use Most serious lithium battery risks come from short circuit, overheating, physical damage, wrong charging, poor packing, or unsuitable battery selection. Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, button cells, and customized lithium battery packs. Primary lithium batteries are not rechargeable, so recharging them can create serious safety risks. Manufacturer Vs Trader A trader may provide battery models, but may not control cell consistency, internal resistance, leakage inspection, polarity, insulation, label accuracy, or batch traceability. A direct manufacturer can manage material selection, cell production, pack assembly, testing, packaging, and export documents more effectively. OEM ODM And Quality Control For OEM / ODM projects, buyers should confirm voltage, capacity, pulse current, continuous current, connector, wire length, operating temperature, label content, packing method, and safety documents. Hongli checks open circuit voltage, capacity, internal resistance, leakage, appearance, polarity, insulation, high-low temperature performance, packing accuracy, and batch records. Export Compliance Lithium battery export commonly requires MSDS, UN38.3 test information, proper packaging, carton marks, and transport documents. Hongli can support stable lithium battery production, customized packs, and export-ready documentation for safer industrial applications.

Putting a lithium battery into a device correctly means checking the battery model, polarity, voltage, size, connector, and application requirements before installation. For smart meters, alarms, sensors, medical equipment, GPS trackers, and industrial terminals, a small installation error may cause poor contact, device failure, leakage risk, or shortened service life. Check The Battery Model First Hongli focuses on primary lithium manganese batteries, including CR123A, CR2, CR14250, CR14505, CR17450, CR17505, CRP2, 2CR5, CRV3, CR9V, 3V button cells, and customized lithium battery packs. Primary lithium batteries are not rechargeable, so they should only be installed in devices designed for the correct voltage and chemistry. Installation Check Why It Matters Battery Model Prevents wrong replacement Voltage Avoids device mismatch Polarity Prevents reverse connection Size Ensures stable contact Connector Supports correct pack assembly Storage Condition Protects battery performance Safe Installation Steps Before installing a lithium battery, power off the device and inspect the battery compartment. The positive and negative marks should match the device label. Do not force the battery into a tight space, mix old and new batteries, use damaged cells, or install batteries with leakage, swelling, corrosion, or broken insulation. International lithium battery transport normally requires UN38.3 test information, MSDS, proper packaging, and clear carton marks. These requirements show why correct handling and labeling are important from factory supply to final installation. Manufacturer Vs Trader A trader may provide battery models, but may not control cell consistency, internal resistance, polarity accuracy, connector welding, pack insulation, or batch traceability. A direct manufacturer can manage cell production, pack assembly, testing, labeling, packaging, and export documents more effectively. OEM ODM And Quality Control For OEM / ODM projects, buyers should confirm voltage, capacity, pulse current, continuous current, operating temperature, wire length, plug type, label content, packing method, and expected service life. Hongli checks open circuit voltage, capacity, internal resistance, leakage, polarity, insulation, appearance, high-low temperature performance, packing accuracy, and batch records. Correct lithium battery installation starts with the right model and ends with safe handling. Hongli can support stable lithium battery production, customized battery packs, and export-ready documentation for industrial power applications.