A lithium-ion battery is a rechargeable battery that uses lithium as a key component. It is widely used in electronic devices and electric vehicles due to its high energy density, long lifespan, and low self-discharge rate.
Structure Components
Our special temperature lithium-ion batteries are engineered to perform reliably across a broad temperature range. Designed for extreme conditions, these batteries offer exceptional performance in both high and low temperatures. Key features include:
Perfect for applications in outdoor equipment, automotive systems, and industrial machinery, these batteries provide dependable power in challenging environments.
Our Model - High/Low Temperature Li-ion Batteries
| Model | Nominal Voltage | Nominal Capacity | Dimensions (D*H) | Weight (Approx.) | Max Charge Voltage | Discharge Cut-off Voltage | Discharge Temperature | Charge Temperature |
| 14500 | 3.7V | 650mAh | 14x50mm | 19.0g | 4.2V |
2.50V |
-40°C~85°C | 0°C~45°C |
| 14500 | 3.7V | 850mAh | 14x50mm | 19.0g | 4.2V | 2.50V | -40°C~60°C |
0°C~45°C |
| 18650 | 3.7V | 2000mAh | 18x65mm | 43.0g | 4.2V | 2.75V | -40°C~85°C | 0°C~45°C |
| 18650 | 3.7V | 2500mAh | 18x65mm | 45.5g | 4.2V | 2.75V | -40°C~85°C | 0°C~45°C |
| 18650 | 3.7V | 2600mAh | 18x65mm | 46.0g | 4.2V |
2.75V |
-40°C~60°C | 0°C~45°C |
| 18650 | 3.7V | 2900mAh | 18x65mm | 44.0g | 4.2V | 2.75V | -40°C~85°C | -20°C~60°C |
| 18650 | 3.7V | 3000mAh | 18x65mm | 45.0g | 4.2V | 2.50V | -40°C~60°C | 0°C~45°C |
| 18650 | 3.7V | 3200mAh | 18x65mm | 45.0g | 4.2V | 2.50V | -40°C~60°C | 0°C~45°C |
Yichun Topwell Power Co., Ltd (Trademark:TWE) established in 2002, is a high-tech enterprise focusing on the R&D, production and sales of lithium polymer batteries, lithium ion batteries, lithium iron phosphate batteries, and lithium thionyl chloride batteries. Products are widely used in consumer electronics, Internet of Things, smart home, medical, vehicle, home and outdoor energy storage, and have obtained CE, RoHS, Reach, UN38.3, IEC62133, CB, UL, MSDS certifications, etc.
Topwell moves on by providing reliable, efficient and intelligent battery solutions to meet different energy needs. We have efficient engineering, production and quality management teams. From raw material procurement, to production, testing, sales and after-sales service, all steps have been controlled by a strict quality management system. Our factory has passed ISO9001, IS014001, BSCI certification, SGS, Intertek audit. With the advantages in price, quality and service, we have established long-term and stable cooperative relationships with many well-known brands. Topwell always attached the great importance to the long term cooperation with customers. No matter the order is big or small, we do our best to support you the highest quality with favorable price. We believe that Topwell Power can be your best battery supplier!
