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China 18650 3.7V 2600mAh Rechargeable Li-ion Battery Cell - Reliable Suppliers and Factory Products
| Battery Type | Li ion |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 2600mAh |
| Energy | 9.62Wh |
| Standard Charge | 0.2C |
| Standard Discharge | 1.0C |
| Charge Voltage | 4.2±0.03V |
| Voltage at End of Discharge | 2.75V |
| Charge Temperature | 0–45℃ |
| Discharge Temperature | -20–60℃ |
| Size | 18×65mm |
| Rough Weight | 45g |
| Cycle Life | 1000 times |
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Frequently Asked Questions
What is the nominal voltage and capacity of this 18650 Li-ion battery?
This 18650 lithium-ion battery has a nominal voltage of 3.7V and a nominal capacity of 2600mAh, providing a total energy of 9.62Wh — suitable for a wide range of portable electronic applications.
What is the cycle life of this battery?
This battery supports up to 1000 charge/discharge cycles, ensuring long-term reliability and cost-effectiveness for devices that require frequent recharging.
What are the safe operating temperature ranges for charging and discharging?
The battery should be charged within a temperature range of 0℃ to 45℃. For discharging, it operates safely between -20℃ and 60℃, making it suitable for use in both cold and warm environments.
What is the recommended charge voltage for this 18650 cell?
The recommended charge voltage is 4.2V ± 0.03V. Exceeding this voltage may damage the cell or pose a safety risk, so it is important to use a compatible charger.
What are the physical dimensions and weight of this battery?
The battery measures 18×65mm in size and weighs approximately 45g, conforming to the standard 18650 form factor for easy integration into battery packs and devices.
What is the end-of-discharge voltage for this Li-ion cell?
The cut-off voltage at the end of discharge is 2.75V. Discharging below this level may cause irreversible capacity loss, so it is recommended to use devices with built-in low-voltage protection.