This Power Theory PowerJet Ultra compact pocket power bank is a portable charger that offers a battery capacity of 4600 mAH. This is an external battery pack which is capable of charging both Apple and Android devices, thanks to the built in micro USB port as well as an Apple lightening cable. This product gives you the luxury of charging your device on the go, without the need of electricity. The portable charger is light weight, compact and looks stylish enough to carry with you wherever you go. The charger enables you to charge your device fully in one charge.