Original DEWALT DCB205 20V Max Premium XR 5Ah Lithium-Ion Battery
DEWALT DCB205. Backup Battery DCB205 Series. Capacity: 5Ah optional. Original Dewalt. DeWalt 20V Max Battery. 360 watt-hours of power when using (2) 6.0 Ah batteries in a 20V MAX tool. Li-Ion (Lithium Ion).