This is 18650 lithium ion battery. This is ICR brand 2000mah Lithium Ion Battery. 18650 battery is extensively used is many accessories. This is rechargeable Battery. To charge this battery you need lithium ion Chargers or 4056 module.
Specification-
Voltage - 3.7v
Full charge Voltage - 4.2v
Low discharge Voltage - 3.2v
Capacity - 2000 mah max.
Package Include-
1 X 18650 Battery
2000 mah 3.7volt ICR 18650 Lithium ion battery, Rechargeable Cells
Product Name: 18650 2000mah Battery
Model: 18650
Nominal voltage: 3.7V
Discharge cut-off voltage: 2.5V
Charge: 1.50A, 4.20V,CCCV 150mA cut-off
Discharge: 0.2C, 2.5V discharge cut-off
Standard charge: CCCV, 1.50A, 4.20 ± 0.05 V, 150mA cut-off
Rapid charge: CCCV, 4A, 4.20 ± 0.05 V, 100mA cut-off
Charging time: Standard charge : 180 min / 150mA cut-off Rapid charge: 70 min (at 25 °C) / 100mA cut-off
Max. continuous discharge: 15A(at 25°C), 60% at 250 cycle
Description:
1. Do not incinerate;
2. Do not disassemble;
3. Do not short positive and negative contacts;
4. Do not expose to heat;
5. Do not completely discharge;
6. Do not use force to install a li-ion battery;
7. Use only high quality battery charger;
8. Charge fully before first use;
9. Store in cold and dry place at approximately nominal voltage.