Energizer Nimh AA 4pk. Energizer has made a great rechargeable battery in that these 2300 mAh Rechargeable AA batteries can be recharged over-night and be ready to go in the morning. 2300mAh capacity makes them long lasting as opposed to regular Camping Essentials Batteries which can't even be reused. Energizer Rechargeable NiMH Batteries produce less waste than regular batteries because they can be charged again and do not contain highly toxic cadmium but are suitable replacements for NiCd batteries. Energizer Rechargeable AA e2 Batteries are available in: Energizer NH15BP-2 Rechargeable e2 batteries 2 pack Energizer NH15BP-4 Rechargeable e2 batteries 4 pack Energizer NH15BP-8 Rechargeable e2 batteries 8 pack Specifications for Energizer E2 Rechargeable AA Batteries: Size: AA Voltage: 1.2 Capacity: 2300 mAh Features of 2300mAh Rechargeable Energizer AA Batteries: Can be recharged hundreds of times Always handy when you are out of alkaline batteries Can be recharged in a short amount of time Package Contents: Energizer E2 Rechargeable AA Batteries Energizer Nimh AA 4pk