Introducing our high-performance 18650 LiFePO4 Rechargeable Battery—a versatile power source engineered to compatible with 3.2V, 3.6V, and 3.7V devices. Built with advanced lithium iron phosphate technology, this battery delivers a reliable 2000mAh Rated Capacity (minimum 1950mAh) to meet long-term power needs, making it an ideal choice for both consumer and professional applications. With a Nominal Voltage of 3.2V (operating voltage), a maximum Charging End Voltage of 3.65V, and a discharge cut-off voltage of 2.0V, it ensures stable performance across diverse usage scenarios.
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Crafted to meet international standards (UN 3480 certified), the battery features a compact and standardized 18650 form factor—measuring 18.3±0.2mm in diameter and 65.4±0.3mm in height, with a lightweight design of approximately 42g. Whether you need a replacement for existing 18650 cells or a new power solution for custom projects, this compatible 18650 rechargeable cell seamlessly integrates with most devices requiring 3.2V, 3.6V, or 3.7V power inputs.
No. | Item | General Parameter | General Parameter | Remark |
1 | Rated Capacity | Typical: 2000mAh | Typical: 2000mAh | Standard discharge (0.2C) after standard charge |
Minimum: 1950mAh | Minimum: 1950mAh | |||
2 | Nominal Voltage | 3.2V | 3.2V | Mean Operation Voltage |
3 | Voltage at end of Discharge | 2.0V | 2.0V | Discharge Cut-off Voltage |
4 | Charging at end of Voltage | 3.65V | 3.65V | |
5 | Standard charge | Constant Current 0.2C Constant Voltage 3.65V 0.02C cut-off | Constant Current 0.2C Constant Voltage 3.65V 0.02C cut-off | Charge time: Approx 6.0h |
6 | Standard discharge | Constant Current 0.2C end Voltage 2.0V | Constant Current 0.2C end Voltage 2.0V | |
7 | Fast charge | Constant Current 1C Constant Voltage 3.65V 0.02C cut-off | Constant Current 1C Constant Voltage 3.65V 0.02C cut-off | Charge time: Approx 2.0h |
8 | Fast discharge | Constant Current 1C end Voltage 2.0V | Constant Current 1C end Voltage 2.0V | |
9 | Maximum Continuous Charge Current | 1C | 1C | |
10 | Maximum Continuous Discharge Current | 3C | 3C | |
11 | Operation Temperature Range | Charge: 0~55℃ | Charge: 0~55℃ | 60±25%R.H. Bare Cell |
Discharge: -20~60℃ | Discharge: -20~60℃ | |||
12 | Storage Temperature Range | Less than 1 year: -20~25℃ | Less than 1 year: -20~25℃ | 60±25%R.H. at the shipment state |
Less than 3 months: -20~40℃ | Less than 3 months: -20~40℃ | |||
13 | Weight | Approx: 42g | Approx: 42g | FYI |
14 | Pack Dimension | Height (h): 65.4±0.3mm | Height (h): 65.4±0.3mm | Initial Dimension |
Width (d): 18.3±0.2mm | Width (d): 18.3±0.2mm |
The 2000mAh Rechargeable Battery provides consistent power output, supporting standard discharge (0.2C) for extended runtime in daily use. With a minimum capacity of 1950mAh, it exceeds basic performance requirements, ensuring you won’t face unexpected power shortages.
Designed for repeated use, the LiFePO4 chemistry offers excellent cycle life, making it a cost-effective and eco-friendly alternative to disposable batteries.
Built with intrinsic safety features of LiFePO4 technology, the battery minimizes risks of overheating, overcharging, and short-circuiting. It adheres to strict charging parameters (0.2C constant current + 3.65V constant voltage, 0.02C cut-off) and discharge standards (2.0V cut-off) for maximum safety.
Operates within a Wide Temperature Range: -20~60℃ for discharge and 0~55℃ for charging, adapting to harsh environments like cold outdoor settings or high-temperature industrial spaces.
Supports Fast Charging (1C)—fully charges in approximately 2.5 hours with a constant current of 1C and constant voltage of 3.65V (0.02C cut-off), saving valuable time compared to traditional batteries.
Enables Fast Discharging (1C) and handles a Maximum Continuous Discharge Current of 3C, making it suitable for high-power devices that demand rapid energy delivery.
The robust construction ensures resistance to wear and tear, while the lightweight (42g) design enhances portability for on-the-go devices.
Features flexible Storage Temperature Range: -20~25℃ for up to 1 year and -20~40℃ for up to 3 months (at 60±25% R.H. shipment state), allowing long-term storage without significant capacity loss.
Perfect for portable devices such as flashlights, digital cameras, wireless headphones, and portable speakers. The 3.2V LiFePO4 Battery’s compatibility with 3.6V/3.7V devices makes it a universal replacement for outdated 18650 cells.
Ideal for power banks, portable chargers, and solar-powered gadgets. Its high capacity and fast charging capability ensure consistent power for outdoor activities like camping or hiking.
Suitable for small industrial tools, IoT sensors, and backup power systems. The High Discharge Current Battery (3C max) meets the demands of power-hungry industrial devices, while the wide temperature range adapts to factory or field conditions.
Reliable for portable medical equipment such as blood glucose monitors, nebulizers, and portable oxygen concentrators. The battery’s safety features and stable voltage output ensure critical devices operate without interruption.
Compatible with small solar panels and home energy storage systems. The Rechargeable 18650 Cell efficiently stores solar energy for later use, supporting sustainable energy solutions.
Each UN 3480 LiFePO4 Cell undergoes strict quality control, including capacity testing (minimum 1950mAh) and performance verification under standard and extreme conditions. We adhere to ISO standards to deliver consistent, reliable products.
Engineered to work seamlessly with 3.2V, 3.6V, and 3.7V devices, eliminating the need for multiple battery types. This compatible 18650 battery is a one-stop solution for diverse power needs.
Our professional team provides technical assistance, including charging/discharging guidance and storage tips. We offer a warranty for manufacturing defects, ensuring peace of mind for every purchase.
The LiFePO4 chemistry is non-toxic and recyclable, reducing environmental impact. With a long cycle life, the battery reduces replacement frequency and long-term costs for both personal and commercial use.
We maintain a reliable supply chain to ensure timely delivery, whether you need small quantities for personal use or bulk orders for business. Our packaging adheres to international shipping standards (UN 3480) for safe transportation.
The Nominal Voltage is 3.2V (mean operation voltage), and it is fully compatible with devices designed for 3.6V or 3.7V, thanks to its stable voltage output during discharge.
Standard Charging (0.2C): Approximately 6 hours (constant current 0.2C + constant voltage 3.65V, 0.02C cut-off).
Fast Charging (1C): Approximately 2.5 hours (constant current 1C + constant voltage 3.65V, 0.02C cut-off).
The battery supports a Maximum Continuous Discharge Current of 3C, making it suitable for high-power devices that require rapid energy delivery.
