Synergy Digital Power Tool Battery, Works with Makita PA18 Power Tool, (Ni-MH, 18, 3000mAh) Ultra High Capacity, Compatible with Makita 1822, 1835F, 192826-5, PA18 Battery - Walmart.com
Makita Pa18 194105-7 18v 1.3ah Ni-cad Battery - Anglia Tool Centre