DEWALT DC9180 18V 36WA RECHARGABLE BATTERY PACK, TYPE 1, HIGH CAPACITY | eBay
Synergy Digital Power Tool Battery, Compatible with DeWalt DC9180C Power Tool, (Li-ion, 18V, 4000mAh) Ultra High Capacity, Replacement for DeWalt DC9180, DC9180C, DC9182 Battery - Walmart.com