FirstPower Battery Adapter for Makita 18V Lithium-ion Power Tools,Convert Milwaukee 18V or Dewalt 20V Lithium-ion Battery to Makita 18V Lithium-ion Battery - - Amazon.com
Lasica Adapter Compatible with Makita 18V LXT Lithium Battery to Replacement for Makita 18 Volt Ni-Cd/Ni-Mh Cordless Tool Battery Packs - - Amazon.com
Battery Adapter For Makita 14.4-18v Li-ion Battery Diy Power Wheels Adapter For Makita Battery Dock With Switch For Work Light - Power Tool Accessories - AliExpress
Amazon.com: Power Wheel Adapter for MAKITA 18V BL1830 BL1840 BL1850 BL1860 Battery Power Convertor with Fuse & Switch,14 Gauge Wire Secure Battery Adapter for DIY RC Trucks, RC Toys, Robotics, Work Lights :