Energizer CHP4WB4 Recharge Smart AA/AAA Charger with 4 AA NiMH Batteries
Energizer Recharge Smart Charger charges 2 or 4 AA or AAA NiMH rechargeable batteries.  Countdown timer shows how long until batteries are charged along with battery fuel guage that shows charge status.  Bad battery alert detects and shuts off charging when a non-NiMH or old NiMN battery is inserted.  The large display can be viewed from across the room.  Energy Star certified