Amazon.com: 2 Pack 6000mAh BL1860 Replacement Lithium-ion Battery Compatible with Makita 18v Battery BL1850 BL1845 BL1840 BL1830 BL1820 BL1815 LXT400 194204-1 Cordless Power Tools : Tools & Home Improvement
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 :
Makita XFD11 18V 1/2" Brushless Drill Driver and One BL1820 18V Li-Ion Battery for Sale in Pasadena, TX - OfferUp