Mfr: Sure Electronics Series: BCPB Package: Bulk Product Status: Active Type: Open Frame Battery Chemistry: Lithium-Ion Number of Cells: 5 Voltage - Nominal: 21V Charge Current - Max: 1.035A Charge Time: 4 Hrs Voltage - Input: 5 ~ 24V Power - Max: 168W Size / Dimension: 4.80\ L x 3.60\ W x 1.38\ H (122.00mm x 91.50mm x 35.00mm)