A wide range of USB chargeable devices including iPhones, iPads, smartphones, tablets, Wi-Fi routers and game consoles can be charged, giving you peace of mind on the go, while travelling, and when the disaster strikes. With an introduction of the high quality, thin and lightweight lithium polymer battery which, while costly, are used in iPhones and smartphones as the built-in battery, it is one of the thinnest and the lightest high capacity mobile batteries in the market! Although the capacity has increased by 2.1A compared to the existing product "ROMOSS Polymos"the thickness has been reduced by 30%, and the weight by 5%, to make it 142g finally.The re-charging speed of the unit has increased 1.5 times compared to "Polymos", and the product comes for high speed charging, and charging cable. All you need to recharge the unit quickly is an access to power outlet. Another accessory which you get for free is an original pouch to store the adaptor and cable in one place.It's easy to use: just connect the unit and your device by USB cable and press the power button to start charging ! Easily viewable 4 level indicator will tell you the remaining power. In addition to 1A output, there is a 2.1A port, so the iPads etc. can be charged at high speed. The safety circuit design automatically turns the charger off in case of overcharging, over-discharging, overheating, and short-circuiting.