Welcome to buy the high quality and charming pocket emergency power supply for phones only using 2 pcs batteries made in China from our factory. Thanks to our quality and lasting products and the unmatched services, we are known as one of the leading such manufacturers and suppliers in China....
3.Output current: 500MAH-1500MAH
4.Color：blue，red，black or custom design
5.Power supply: 2pcs No.5/AA battery
6.Including DC-DC boosted circuit，transfer reaches to 98%.
7.30 minutes charges to 40% electric quantity.