... rechargeable battery 1.Weight:29.5g 2.Nominal voltage:1.2V 3.Chemistry:NI-MH 4.Size:AA and Long shelf life ... standard(CE, RoHS, ISO, SGS etc) Long cycle times Long shelf life Widely used in LED lights, cameras, MP3, MP4, electric ... acceptable, short lead time, quick delivery. AA MH-Ni rechargeable battery