General description A handy power source kit for cordless XGT 40VMax tools, containing 2 x BL4040F 4.0Ah Li-ion batteries, a DC40RA 240V fast charger, and a Makpac Type 1 case. Technical specifications Battery model: BL4040F Battery capacity: 4.0Ah Energy capacity: 144 Wh Average charge time: 45 minutes Water resistance: WetGuard/IPX4 Other information Tabless cell technology for improved performance Enhanced cooling system to maintain performance under heavy load Digital communication between the battery and the tool for optimized performance Heavy-duty cell casing for improved impact resistance Battery fuel gauge with 4 green LEDs Optimal charging system