Featuring a state-of-the-art 3500m Ah lithium polymer battery, the sleek powermonkey discovery offers users real power on the move. Housed in a stylish full aluminium case with 6 high bright pin point LED lights, the powermonkey discovery will recharge an iPhone twice, standard mobile phones 3-4 times, or give iPods / MP3 players up to an additional 120 hours playtime. It is also compatible with e-readers, Sat Navs, handheld games consoles, portable GPS systems & more!