With this slim but high capacity rechargeable battery pack, users would be able to let their electronics play for many hours more.

Capacity: Li-ion 4500mAh/3.7V

Rated input: USB 8.4V/1A

Rated output: USB 5V 1.5A(max)

DC 8.4V 1.5A(max)

USB output voltage: 5V applicable for the rechargeable products

DC output voltage: 8.4V applicable for the rechargeable products (7-9V)

Full charge time: around 3.5 hours

Cycle life:after more than 500 circles, the power can still remain 80%

Intellectual protection PCBA: protection for overcharge, over-discharge, overload, and short circuit protection