Battery for Makita bvr850 (18V, 4.0ah, Li-ion) - AliExpress
Makita BHP453RFE replacement power tool battery | UAEBattery
Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita BHP453RFE Power Tool, (Li-ion, 18V, 6000mAh) Ultra High Capacity, Replacement for Makita BL1815 Battery : Tools & Home Improvement