Product Advantages
Design and Structural Integrity Supporting Modular Energy Systems
The design of this 18650 lifepo4 battery combines cylindrical form factor with industry-standard dimensions, enabling straightforward integration into existing battery packs and systems. The consistent quality from this reputed lifepo4 battery cell supplier ensures minimal variance in internal resistance and capacity, facilitating uniform performance in modular battery assemblies. Its lithium iron phosphate chemistry provides inherent thermal stability and resistance to overcharge conditions, enhancing overall system safety. The robust mechanical structure withstands vibrations and shocks typical in industrial environments, extending operational durability while enabling scalable backup power architectures for diverse applications.
Enhanced Performance and Operational Efficiency Optimizing System Value
Performance-wise, this rechargeable backup power battery delivers prolonged cycle life and stable voltage output, reducing total cost of ownership for energy storage solutions. Its compatibility with standard lithium battery chargers simplifies maintenance workflows and supports quick deployment. Users benefit from predictable discharge characteristics and safety certifications, easing compliance documentation and quality assurance processes. The lightweight design coupled with broad temperature tolerance expands usability across geographical and environmental conditions. This comprehensive performance profile maximizes ROI by ensuring dependable backup power and reducing battery replacement frequency.

| Item | Specifications | Remark |
| Model No. | 18650-1500 | |
| Nominal Voltage | 3.2V | |
| Nominal Capacity | 1500mAh | @0.2C discharge |
| Dimensions | 18.4*65.5mm max | Diameter*Height |
| Cycle Life | ≥6000 times | ≥ 80% of the nominal capacity |
| Charge Method | CC/CV | lithium battery special charger |
| Charge Cut-off Voltage | 3.65V | |
| Discharge Cut-off Voltage | 2.3V | |
| Standard Charge Current | 0.2C | |
| Standard Discharge Current | 0.2C | |
| Max Continuous Charge Current | 1C | |
| Continuous Discharge Current | 1C | |
| Peak Discharge Current | 3C | |
| Recommended Operation Ambient Temperature | Charge: 0~45℃ Discharge:-20~60℃ | |
| Storage Temperature | -20℃~25℃ | 12 months |
| -20℃~35℃ | 3 months | |
| -20℃~45 ℃ | 1 month | |
| Internal Resistance | ≤40mΩ | |
| Weight | Approx. 42g |



Use Scenarios
Backup Power Solutions for Telecom and Security Infrastructure
In telecom stations and security monitoring systems, uninterrupted power supply is essential to maintain data transmission and safety protocols. The 3.2V lifepo4 battery provides a reliable rechargeable backup power battery solution capable of sustaining critical loads during outages. Its high cycle life and stable discharge capability ensure continuous operation of communication equipment and surveillance devices. Integration is facilitated through compatible charging standards and modular design, allowing seamless incorporation into existing uninterruptible power supplies (UPS) and energy management systems. Compliance with international safety certifications further endorses its suitability for sensitive operational environments requiring stringent reliability.
Energy Storage Integration for Off-Grid Renewable Power Systems
Within off-grid solar and wind energy installations, the 18650 lifepo4 battery serves as a critical energy reservoir that smoothens intermittent power generation. Its long cycle life and ability to function across wide temperature ranges make it optimum for outdoor and remote deployment. The battery's consistent energy output facilitates efficient load management and energy balancing in battery banks, supporting inverters and controllers integral to renewable setups. As a rechargeable backup power battery, it enhances system resilience during periods of limited energy harvest. Its certifications align with environmental and safety regulations, ensuring the energy solution complies with international standards for sustainable power storage.
What applications are suitable for the 18650 LiFePO4 battery?
Our 18650 LiFePO4 battery is ideal for backup power in solar and wind systems, electric vehicles, telecom equipment, and emergency lighting. We design it to provide consistent performance and long cycle life across diverse industrial applications.
Can you customize battery specifications for specific industrial needs?
Yes, as an experienced LiFePO4 battery cell supplier, we offer customization options on voltage, capacity, and form factor to fit your project requirements. Contact our technical team to discuss tailored solutions according to your application's demands.
How should I properly charge the 18650 3.2V 1500mAh battery for optimal performance?
We recommend using a CC/CV (Constant Current/Constant Voltage) lithium battery special charger for safe and effective charging. This ensures the battery maintains its cycle life and capacity while maximizing safety across industrial use cases.
What certifications does your 18650 rechargeable backup power battery hold?
Our rechargeable backup power battery complies with CE, ROHS, UN38.3, IEC62133, CB, and PSE standards. These certifications demonstrate our commitment to safety, quality, and regulatory compliance for industrial buyers worldwide.