I need a battery like this in my phone.,(reply>), The Nokia 3310 has one,(reply>), as long as you only need your phone to ring a bell for 300 years and not make any phone calls or use the internet or run any apps or use any memory or have a display and be the size of your thigh,(reply>), laptops consume over 100 watts,(reply>), I want one of those batteries in my ipad,(reply>), @Richard Carboni Right, my bad. However, my point regarding how little power is used compared to your phone still stands.