Energyblast Powerbank – capacity=2200mAh. This little battery backup will keep your mobile devices charged up. The 2200 mAh internal battery has enough life to fully charge an iPhone, giving you about 8 hours of additional talk time. The 5V/1A USB output means that it charges at the same rate of most wall chargers. Includes integrated USB cable & lightning connector which can recharge the battery backup or be used to charge up various mobile phones.