HQRP 2-Pack Battery for DEWALT DC615KA DC728 DC728KA DC728SA DC730 DC730KA DC731 DC731KA DC731KB DC732 + HQRP Coaster HQRP&reg; Two Replacement Batteries plus HQRP&reg; Coaster; Battery Voltage: 14.4V; Capacity: 1.8Ah; Ni-Cd; If you don't plan on using the Power Tool Battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. 200 Days warranty!