This 20 V max starter kit includes a premium XR® 6 Ah battery, a compact 4 Ah battery, DCB115 and a kit bag. Both batteries are compact in size and lightweight, providing ergonomic benefits for increased tool maneuverability and control for overhead applications. The DCB1106 charger offers the most versatility for all of your charging needs with compatibility across our compact 12 V max 20 V max and heavy-duty FLEXVOLT® battery range. The new stage 1 and stage 2 LED format communicates more about the state of charge of batteries, keeping you in the know. DeWALT® Starter Kit, Bare Tool/Kit: Kit, Lithium-Ion Battery, 4 and 6 Ah Battery, 20 V Charge, For Use With: FLEXVOLT® 12 and 20 V MAX Cordless Batteries