Powerex MH-C204U-04IGS Compact USB Charger with 4 AA, 2400mAh Imedion Batteries Includes 4 AA Imedion 2400mAh batteries and battery holder Charges 2 or 4 AA or AAA nickel-metal hydride or (NiMH) batteries AA batteries take about 4 hr. to charge, while AAA's take 2 hr. (450mAh charge rate) Charge your batteries anywhere around the world via the included 100-240VAC universal power adapter (may require optional plug converter) Includes a micro-USB cable and 5V/1A USB wall adapter