Amazon.com: SUnMilY for Makita 18v Battery, 6.0Ah Replacement Lithium Batteries Compatible with Makita Battery 18V BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B (4 Pack) : Tools & Home Improvement
Makita BL1840 18 V 4.0 Ah Li-ion Battery, Pack of 2 : Amazon.co.uk: DIY & Tools
Amazon.com: Power Wheel Adapter for Makita, 18V Battery Adapter with Fuse & Switch, DIY Secure Power Converter with 30A 14 Gauge Wire for Rc Car Robotics Rc Truck, for Makita Battery BL1860
VANON 2Pack BL1850B 5.0Ah 18V Replacement Battery for Makita 18v Battery Lithium Compatible with Makita 18 Volt Battery BL1815 BL1820 BL1830 BL1840 BL1850 - - Amazon.com
2-Pack 3.0Ah 18 Volt BL1830B Battery Replacement for Makita 18V Battery Lithium ion BL1815 BL1815N BL1820 BL1820B BL1830 BL1840 BL1840B BL1850 BL1840B BL1860 BL1840B with LED Indicator - - Amazon.com
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: Gamrombo 2Packs Upgraded to 6.0Ah 18V BL1860B Li-ion Replacement Battery Compatible with Makita 18V Battery BL1815 BL1830 BL1835 BL1840 BL1850 BL1860 LXT400 194205-3 Fit Cordless Power Tools : Tools & Home
VANON 2Pack BL1850B 5.0Ah 18V Replacement Battery for Makita 18v Battery Lithium Compatible with Makita 18 Volt Battery BL1815 BL1820 BL1830 BL1840 BL1850 - - Amazon.com