Featuring a 6000mAh lithium polymer battery, the sleek discovery offers users real power on the move. The discovery will charge smartphones up to 3 times, smart watches up to 12 times and GoPro cameras up to 4 times before the unit will require recharging. It is also capable of charging e-readers, Sat Navs, handheld games consoles, portable GPS systems and most other electronic devices that are charged via USB. Apple iPhones and iPads will require the white sync / charge cable provided with the Apple device. The Powertraveller discovery has 2 x USB outputs - one being quick-charge - allowing you to recharge two 5V devices simultaneously.