Amazon.com: Battery Adapter for Makita DCA1820 18V Compatible with Makita Lithium Battery to DeWalt CA1820 18V DC9180 DC9096 Tool Use : Tools & Home Improvement
Makita BL1850B2DC2 18V LXT® Lithium-Ion Battery and Dual Port Charger Starter Pack (5.0Ah) - - Amazon.com
Amazon.com: Adapter Converter for Makita 18V BL1860 BL1850 BL1840 Li-ion Battery to Ridgid AEG 18V Hyper li-ion Power Tool Battery : Tools & Home Improvement