Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita BTM50RFE Power Tool, (Li-ion, 18V, 7500mAh) Ultra High Capacity, Replacement for Makita BL1815 Battery : Tools & Home Improvement
Customized Rechargeable Universal Battery for Makita Bl1815 Bl1830 Bl1840 Bl1850 Bl1860 Case - China Lithium-Ion Battery and Li-Polymer Battery price | Made-in-China.com