Aa Size 1.2V 1200mah Nimh Rechargeable Battery in Button Top 10pcs AA 1200mAh Ni-MH Rechargeable Batteries Dimension:14.5mm Diamater*50.5mm Height(Diameter: 0.57 inch,Height: 1.99 inch) No memory effect - batteries can be recharged when fully, or partially discharged 1000 times charging life Application for: Solar Garden Lights,solar lights,garden lights,digital cameraportable videogameflashlightremote controltoy