inputs.text: perfect htc sensation - purchased battery pack htc sensationpros big battery capacity recharge htc sensation 3 times completely running power htc device wont worry running battery smart phone travel cons not really con recharge battery pack usb cable connected computer take overnight get fully charged 10 hours however charge usb power adapter lot quicker b charging htc sensation feel htc device becomes warm no problem plug htc device thru usb cable computer hopefully imp70d not damage htc battery long run blue light indicators may not accurate tell much power left battery pack indicated two lights 50 left reality may run battery soon recommendations knew device probably focus providing power iphone ipad another usb connection slot provide dc5v less 1a might solve temperature problem htc device charging battery pack solar panel builtin even better since much capacities add flash light feature plus