Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Type: Charging Station Battery Chemistry: Nickel Metal Hydride Battery Cell Size: 4.8V Number of Cells: 2 Voltage - Nominal: 12V Charge Current - Max: 4A Charge Time: 3 ~ 4 Hrs Size / Dimension: 5.51\ L x 3.74\ W x 2.09\ H (140.00mm x 95.00mm x 53.00mm)