DeWalt 4-Pack 20V MAX 3.0 Ah Lithium-Ion Battery

These batteries are compatible with all Dewalt 20V Max product line tools. It weighs only 1.42 lbs. and features a built-in LED fuel indicator to monitor the remaining charge. It has a 3 Ah extended run time, no memory, and virtually no self-discharge ensuring maximum productivity and less downtime. The price drops from $369 to $149 with free shipping.