Meet the affordable choice to keep your rechargeable batteries going. The Energizer Base Battery Charger charges 2 or 4 AA or AAA NiMH batteries in 8 hours.* And it\'s easy to use: Just load your batteries into the charging channels, plug into the wall, and get on with your day. The green indicator light lets you know it\'s charging. Save money and stay charged with the long-lasting and reliable power of Energizer Recharge, the world\'s #1 rechargeable battery brand (according to market survey data). * Times may vary by NiMH battery.