Battery Description: Size: 65mm x 18mm (2.55 in x 0.7 in) No memory effect Environmentally friendly 100% Brand New Battery Type: Rechargeable Battery(Not AA battery) Voltage: 3.7V Capacity: 3000mAh Material: Li-ion Battery Rechargeable times: Up to 1800 times Color: Blue !!Warning: DO NOT dispose in fire or heat DO NOT puncture,damage,and disassemble DO NOT mix fresh batteries with used batteries Compatible with:Battery appliances such as emergency lighting, portable devices, power tools. NOT SUITABLE FOR VAPE. Package Contents: 10 x Li-ion Batteries NOTE: Not AA or AAA Battery