inputs.text: bought - bought solar charger keep iphone 5 digital camera charged family hiked john muir trail performed task perfectly not ehempty iphone camera every day even come close always top say 75 100 never problehem came close ehemptying solar chargers internal batteryto keep charged taped velcro back charger sewed matching velcro top backpack whenever walking sun device seehemed chargingi sometimes wished device lighter knew buying not devices faultdo not buy need fully charge ipad regular basis even fully charging wall device got ipad 68 charge topping iphone daily however works great