FDK/Sanyo 2500mAh Single Cell NIMH Button End AA Battery
FDK (formerly Sanyo) single cell Ultra high capacity AA battery. Weight 30.3g, 1.07oz. FDK/Sanyo AA HR6 size cell. Button end cell.
Unlike Sanyo's other NiMH cells, these ultra high capacity AA cells should never be fast charged EVER. We recommend 70mah (or less) wall chargers (very slow overnight charging) only. Suggested maintenance charge rate 50-70mah. Manufacturer's listed internal resistance is 25m.