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China 18650 3.7V 2600mAh Rechargeable Li-ion Battery Cell - Suppliers & Factory Direct Deals
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 × 65 mm |
Rough Weight |
45g |
Cycle Life |
1000 times |
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Frequently Asked Questions
Q
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, delivering 9.62Wh of energy — suitable for a wide range of portable electronic applications.
Q
What are the recommended charge and discharge rates for this battery?
The standard charge rate is 0.2C and the standard discharge rate is 1.0C. The maximum charge voltage is 4.2±0.03V, and the end-of-discharge voltage is 2.75V. Staying within these parameters ensures safe operation and longer battery life.
Q
What temperature ranges are safe for charging and discharging?
The battery can be safely charged within a temperature range of 0℃ to 45℃. For discharging, the operating range is broader: -20℃ to 60℃, making it suitable for both cold and warm environments.
Q
How long is the cycle life of this 18650 battery?
This battery is rated for up to 1000 charge/discharge cycles, providing excellent long-term value and reliability for high-frequency use applications such as flashlights, power tools, and portable devices.
Q
What are the physical dimensions and weight of this battery?
The battery measures 18mm in diameter and 65mm in length (18×65mm), which is the standard 18650 form factor. It weighs approximately 45g, making it lightweight and easy to integrate into various device designs.
Q
Is this 18650 battery suitable for high-drain devices?
Yes. With a 1.0C standard discharge rate and a wide discharge temperature range of -20℃ to 60℃, this battery is well-suited for high-drain devices including LED flashlights, electric bikes, laptop battery packs, and other demanding applications.