Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita BDF451 Power Tool, (Li-ion, 18V, 1500mAh) Ultra High Capacity, Replacement for Makita 194204-5 Battery : Tools & Home Improvement
Used Makita BDF451 18V Lithium-Ion Hammer Drill & BTD140 Impact Driver Combo Kit | eBay
Makita XFD03 18V LXT Lithium-Ion Cordless 1/2 Inch Driver-Drill Kit (Replacement of BDF451)
for Makita Bl1815 Bl1820 Bl1825 Bl1830 Bl1840 Bl1845 Bl1850 194205-3 194309-1 Lxt400 Original Performance 18V Battery - China Makita Battery and Lithium Battery price | Made-in-China.com