Synergy Digital Power Tool Battery, Compatible with DeWalt DC830KA Power Tool, (Li-ion, 14.4V, 5000mAh) Ultra High Capacity, Replacement for DeWalt DE9141 Battery - Walmart.com
Synergy Digital Power Tool Battery, Works with DeWalt DC9180 Power Tool, (Li-ion, 18V, 3000mAh) Ultra High Capacity, Compatible with DeWalt DC9180, DC9180C, DC9182 Battery - Walmart.com
Power tool battery DEWALT DC9180, 18V, 2.0Ah, Li-ion | eBay