Feature
1. Featuring a state-of-the-art 4000mAh Li-ion battery
2. Built-in 4000mAh high quality rechargeable 18650 Li-ion battery
3.5V/1A USB output charge for mobile phone
4. Ultra high conversion efficiency (>85%)
5. Full charging time: 3-4 hours.
6. Plastic housing and colors is according to the customer request.
Product show:
Specification
*capacity: 4000mAh
*battery type: Li-ion battery
*input: 5V/1A
*output: 5V/1A
*lifespan: ≥500 times
*colour available: Blue, Pink, White
* Standard transparent gift box
