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: 4 Pack 18-Volt Replace for Makita 18V Battery BL1860B, LXT Lithium- Ion 6.0Ah Ultra High Capcaity Compatible with Makita 18V Battery BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B Battery, Black :
Amazon.com: Crtbelfy Battery Holder Mount for Makita 18V Battery Dock Holder Fit for BL1860 BL1850 BL1840 BL1830 Batteries - 5 Pack : Tools & Home Improvement
Amazon.com: Zuliati Upgrade 3.0Ah 18 Volt BL1815 Lithium Ion Battery Replacement for Makita 18V Battery BL1815 BL1830 BL1860 BL1850 BL1840 BL1850B-2 BL1845 BL1815 BL1820 BL1860B with LED Indicator : Tools & Home
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
6000mAh BL1860B Replacement Battery Compatible with Makita 18V Battery with LED Indicator 18 Volt LXT Battery BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815 - - Amazon.com
Amazon.com: Crivnhar 5 Pack Battery Holder for Makita 18V Battery Mounts Dock Holder Fit for BL1860 BL1850 BL1840 BL1830(w/10 Screws) : Tools & Home Improvement