Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: - Voltage - Rated: 3.8 V Capacity: 4Ah Size / Dimension: 2.95\ L x 2.09\ W x 0.31\ H (75.00mm x 53.00mm x 8.00mm)