18 V battery starter set with 2 x 4.0 Ah Lithium+ batteries and fast charger. The Lithium+ battery technology sets standards for runtime, performance, and lifespan. The battery charge level indicator informs the user of the current charge status at the push of a button. IntelliCell monitors each cell individually, maximizing runtime per battery charge and extending lifespan. With the R18DD3 battery drill, a 4.0 Ah Lithium+ battery can drive up to 1240 4x32 mm screws. With the R18CS battery circular saw and a 4.0 Ah Lithium+ battery, up to 88 meters of 13 mm plywood can be cut. The results depend on the battery, device, and application.