Mfr: Sure Electronics Series: BCPB Package: Bulk Product Status: Active Type: Open Frame Battery Chemistry: Lithium-Ion Number of Cells: 2 Voltage - Nominal: 8.4V Charge Current - Max: 1.725A Charge Time: 2.8 Hrs Voltage - Input: 5 ~ 19V Power - Max: 25W Size / Dimension: 3.60\ L x 2.70\ W x 1.38\ H (83.80mm x 68.60mm x 35.00mm)