MyCharge makes batteries in all shapes and sizes. Its latest is an impressively small 6000mAh charger called AmpMax ($50). The high capacity cell is packed into a dense package, coated in a soft-touch finish. You'll find the usual array of inputs and outputs, buttons and battery indicator lights, around the front and side edges. This USB port is labeled as being capable of putting out 2.4-Amps, so it should charge iPads at full speed. There's also…
