Amazon.com: EID 150W Power Inverter Portable for Makita 18V BL1830 BL1850 Lithium Battery,DC 18V to AC 110V Outdoor Inverter with AC Outlet and Dual USB+200LM LED : Automotive
Amazon.com: Amityke Battery Adapter,Power Wheels Adapter for Makita 18V/14.4V Battery BL1820, BL1830, BL1840, BL1850 with 14 awg Wires Power Convertor for DIY Ride On Truck, Robotics, RC Toys and Work Lights :
Amazon.com: Jialitt BL1860 6.0Ah Replacement Lithium-ion Battery for Makita 18V Battery BL1850B BL1850 BL1830 BL1840 BL1860 LXT Cordless Power Tools W/LED Indicator : Tools & Home Improvement
2Pack 5.0Ah Lithium-ion BL1850B Replacement for Makita 18V Battery Compatible with Makita 18 Volt Battery LXT BL1815 BL1830 BL1830B BL1835 BL1840 BL1850 BL1860 BL1860B - - Amazon.com