Choose the fast and reliable Energizer Recharge Base Battery Charger to keep your essential devices running at maximum performance. Perfect for your most-used gadgets, like remotes, wireless mice and toys. This handy device charges 2 or 4 AA or AAA NiMH batteries in 8 hours (times may vary by NiMH battery) and comes with 4x 1300 mAh NiMH 1.2V AA Energizer Recharge Universal Batteries. Simply load up the rechargeable battery charger and use the universal USB plug for power when you need it. The charger’s indicator screen glows green to show your batteries are charging.