UltraFire 18650 Battery 4200mAh 3.7V Li-ion Rechargeable

Material:Li-ion Battery
Capacity: 4200mah
Voltage: 3.7V
Size: 18mm x 65mm
Battery Type:18650 Rechargeable Battery
Rechargeable times:Up to 1800 times
Smart battery charger:
It is with high efficiency and reliability! High Quality 2 Slots Charger for 18650 Battery. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock.
Input Voltage: AC 100V – 240V 50 / 60Hz Max 150mA
Output Voltage: DC 4.2V 650mA
Battery Type:18650 rechargeable battery
Rechargeable Time Limit: About 4 hours
Dimensions: 1.73″ x 1.26″ x 3.27″ (L x W x H)
Features:
1.No memory effect.
2.Environmentally friendly.
3.Battery appliances such as your flashlights, emergency lighting, portable devices, power tools.
4.It is with high efficiency and reliability!
5.Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock.
Package Include:
1 x 18650 Rechargeable Battery
WARNING for Batteries:
DO NOT dispose in fire or heat;
DO NOT puncture, damage, and disassemble;
DO NOT mix fresh batteries with used batteries