The four-light LED status indicator maintains the streamlined design. Push the LED indicator button to display the charging status and current power level.
2 USB Ports and great capacity of 10,000mAh:
The B520 provides a 2.1A output in total dual USB ports for fast charging. It charges your phone and tablet together or share a port with a friend in need when outlets aren't an option. The B520 has great capacity of 10,000mAh, which is more than enough power to go around. The B520 will recharge your smartphone up to 4.5 times keeping you connected while away from home.
Li-Polymer batteries are lighter, safer and higher in capacity:
B520 is built in with 10,000 mAh high capacity lithium polymer battery, which is lighter, safer and higher in capacity than traditional battery architects.
Aluminum alloy enclosure features lightweight, ultra-slim:
Aluminum body design makes B520 stylish, slim and sleek.As an accessory, B520 conveys sleek, metallic look as well as pocket-shape appearance.