Model: AA/14500-USB 1.5V

Charge port: Micro-USB

Character: rechargeable Li-ion battery

Capacity: 1840mAh

Voltage: 1.5V

Charging input: 5V/0.3A

Charging time: 4 hours

Battery cycle: over 500 times

Size: diameter 14.6mm*length 50mm

Weight: 19g