This is a Dewalt 5ah battery and charger bundle. DCB184: The DEWALT DCB184 5.0Ah XR Li-Ion battery pack will deliver 66% more runtime than a standard 3.0Ah battery pack. It has an LED state of charge indicator to help manage pack charging. Has a lightweight design that provides the user with upgraded 5.0Ah Power without increasing the size or weight over the 18 Volt 3.0Ah battery pack. No memory effect and virtually no self-discharge for maximum productivity & less downtime. They have protection against overheating, overloading and deep discharge conditions which increases the overall battery life. Compatible with all DEWALT XR Li-Ion 18 Volt Tools. DCB1102: Compact multi voltage charger charges all 18v XR batteries and the 12v battery packs. 2 stage charging system Bright LED indicator to show, charged / charging / power problem and battery too hot or too cold Charger varies charge rate according to battery type, increasing battery pack life
