Rechargeable AAA Batteries Pre Charged, NiMH 1.2V 400mAh Triple A Solar Batteries for Solar Lights and Universal Household Devices, Recharge up to 1200 Cycles Nickel Metal Hydride Material: 1.2v AAA 400mAh Ni-MH rechargeable batteries don’t contain Hg/Cd/Pb. They are recycled and It does less harm to environment than disposable batteries. AAA Low Self-discharge: It will still maintain 80% of Initial capacity after 3 year of non-use, Please charge 60-80% every 3 months if you don't use batteries for a long time. Rechargeable and Money Saving - Using these rechargeable NiMH batteries that can be constantly recharged and reused, spend less money on one-time use disposable alkaline batteries and has more rechargeable times than NiCD batteries Multiple Uses –Triple A battery 400mAh Can be used for power outdoor solar lights, TV remotes, wireless mouses, game controllers,smart home devices,digital cameras ATTENTION:it is AAA size NOT AA size battery;Diameter:0.39 inch*Height:1.73 inch.aaa button top batteries nimh 1.2v 400mah 1.2V AAA 400mAh Ni-MH Rechargable Batteries for Panasonic Cordless Phones, Remote Controls, Electronics