This is VIPOW brand Battery. 18650 battery is extensively used is many accessories.

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.