Product Details 

Specifications:

Model Number: RB20

Type: AAA

Material: Lithium-ion battery

Charging Method: Type-C USB cable

Charging Voltage: 5V

Nominal Voltage: 1.5V

Typical: 400mAh

Capacity: 750mWh

Diameter: Min 9.8mm, Max 10.5mm

Height: Min 43.5mm, Max 44.5mm

Weight: 6.9(+-0.5)g

Charging time: 2 hours (+-0.5)

LED Indicators: Blink when charging, Stay on when fully charged

Short-circuited/over-flowed/over-charged/over-discharged protection: YES