USB 3.7V

- USB-C charging port with LED to indicate if battery is done charging.
- Protection circuit built in the anode 
- Multiple protections with Pressure Relief Vent
- Short circuit protection, over charge protection, over discharge protection
- 1000 charge cycles (A properly maintained battery is designed to retain up to 75% of its original capacity at 1000 full charge and discharge cycles)

 

Specifications:
Model: 21700USB-3.7-5000
Battery Type: 21700 rechargeable 8C
Chemistry: Li-ion 
Nominal Capacity: 5000mAh 

Minimum Capacity: 4600mAh
Nominal Voltage: 3.6V

Charge Voltage: 4.2V

Internal resistance(mΩ):22-32

Max. Discharge Current: 8A

Charging current by charger: 5A (recommended) 2A (maximum)
Charging current by on-board USB port : 1.2A

output charge current: 1.2A

Warranty: 12 months

LED indicator:

Charge---red flash,  Charge complete---red output---- green

Dimensions: 

Battery Size (D x H mm): 21.6x 76.5

Weight:

Battery Weight: 73g(1PC)

Includes:
- 2 x direct USB rechargeable 21700 rechargeable Li-ion battery 
- 1 x 2 in 1 charge cable  

- 1 x USB C-C charge cable

Note: Batteries are shipped from factory with partial charge to meet optimum storage conditions. Fully charge before use.

Warnings: Do not expose battery to heat or throw in to water. After extended periods of storage, it may be necessary charger the battery to obtain the maximum performance every three months. Keep the battery out of reach of children.

This product is patented.