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