Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita BTP140 Power Tool, (Li-ion, 18V, 6000mAh) Ultra High Capacity, Replacement for Makita BL1815 Battery : Tools & Home Improvement
Makita BTP140 Parts Diagram for Assembly 1
Source Waitley BL1830 18V 9.0Ah Replacement Battery Compatible with Makita BL1840 BL1850 BL1860 BL1890 LXT Lithium-Ion Battery Tools on m.alibaba.com
Source 18V 9.0Ah BL1890 Replacement Lithium ion Battery for Makita Power Tools 18Volt Li-ion 18 v LXT Battery BL1830 BL1850 BL1860 on m.alibaba.com
Waitley 18v 5.0 6.0ah Rechargeable Battery For Makita Power Tools With Led Li-ion Replacement Lxt Bl1860 1850 18 V 9 A 6000mah - Rechargeable Batteries - AliExpress