ARB-L21-5000U is a high capacity 21700 Li-ion USB rechargeable battery built for more power and longer runtimes.

This battery has its own USB-C charging port for quick/easy charging without the need for a separate charger.

Additional features include a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating.

ARB-L14-1600U Built-in USB Rechargeable Battery

Micro-USB charging port

1600mAh high capacity

Protection circuitry to prevent short circuits

Pressure vents to prevent explosions

500 charge cycles guaranteed before 75% decrease by memory effect

Voltage: 1.5V

Charging Current: Only charge using a
USB cable to the micro USB port on the battery. Do not charge by other device

Charging Current USB Port: 300mA

Weight: 19g

Size: Length: 50mm

Diameter: 14.5mm