Sure. I too have a device that "won't" charge from a particular charger. The device and that charger negotiate some ridiculously low effect, and the device turn

Sure. I too have a device that "won't" charge from a particular charger. The device and that charger negotiate some ridiculously low effect, and the device turns on its screen while charging. The net effect is awfully close to zero, sometimes it's negative. But compare it to the mess phone chargers were in 2005.