Product Review

18650 3.7v Rechargeable Battery:
Size: 18mm x 65mm
No memory effect
Battery Type: 18650 Rechargeable Battery
Voltage: 3.7v
Capacity: 5800mAh
Material: Li-ion Battery
Rechargeable times: Up to 1800 times

Environmentally friendly

Note: It is button top battery, not match for some device use flat top battery.

WARNING:
DO NOT dispose in fire or heat;
DO NOT puncture,damage,and disassemble;
DO NOT mix fresh batteries with used batteries

Smart Battery Charger:
Input Voltage: AC 100V - 240V 50 / 60Hz Max150mA
Output Voltage: DC 4.2V 650mA
Battery Type: 2 x 18650 rechargeable battery
Rechargeable Time Limit: About 2 hours
Dimensions: 1.73" x 1.26" x 3.27" (L x W x H)

Package Includes:
8 x 18650 3.7 Rechargeable Battery
2 x Dual Smart 18650 Battery Charger