Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Nickel Metal Hydride Rechargeability: Yes Battery Cell Size: - Voltage - Rated: 7.2 V Capacity: 4Ah Size / Dimension: 5.28\ L x 1.97\ W x 0.67\ H (134.0mm x 50.0mm x 17.0mm)