Dewalt 20V MAX Lithium-Ion 6.0Ah and 4.0Ah Battery and Charger Starter Kit

One 20-Volt max 6.0Ah battery and one 20-Volt max 4.0Ah battery provide up to 10 Amp hours of capacity Charges DEWALT 12-Volt to 20-Volt max lithium-ion batteries No memory and virtually no self-discharge for maximum productivity and less downtime Batteries come with a 3 year free service warranty 3-LED fuel gauge system for immediate feedback on the state of charge