2-Pack Dewalt DCB205-2 20-Volt Max XR Premium Lithium-Ion 5.0Ah

Features:
5.0 Ah capacity
3-LED fuel gauge system for immediate feedback on the state of charge
No memory and virtually no self-discharge for maximum productivity and less downtime
Lightweight and portable at only 1.4 lbs.
Part of the DEWALT 20-Volt MAX system
Extended capacity for longer run time