Energizer Maxi ChargerOverview Keep the power you need at hand with the convenience of Energizer Recharge Maxi Charger. This handy device charges 2 or 4 AA or AAA NiMH batteries in 5 hours.* And its easy to use: Load up the device, plug into the wall, and get fully loaded battery power when you need it. Key Features Charges 2 or 4 AA or AAA NiMH rechargeable batteries at once (4 AA batteries included) Delivers a full charge in 5 hours* Large, easy to read LED screen