Amazon.com: Power Wheel Adapter with Fuse & Switch, Secure Battery Adapter for Greenworks 40V Lithium Battery, with 12 Gauge Wire, Good Power Convertor for DIY Ride On Truck, Robotics, RC Toys and
RYOBI P135 18V One+ 6 Port Lithium Ion Battery Supercharger (18V Batteries Not Included/Charger Only) - - Amazon.com
Elefly 9.6V-18V Replacement for Black & Decker Battery Charger 90556254-01, Compatible with Black and Decker 18V 14.4V 12V 9.6V NiCad & NiMh Battery HPB18 HPB18-OPE HPB14 HPB12 HPB96 - - Amazon.com
DM18RL Adapter Converter, Battery Adapter for Dewalt for Milwaukee M18 18V/20V Lithium ion Batteries Convert to for Ryobi P108 18V Li-ion NI-CD NI-MH ABP1801 Battery, with USB Port - - Amazon.com
Amazon.com: Creabest New Li-ion Battery Charger for Makita 18V Battery BL1830 BL1815 194205-3 LXT400 BL1850 BL1840 BL1860 (NOT for Ni-MH/Ni-Cd Battery) : Tools & Home Improvement
Amazon.com : Replacement Battery with Charger for Black+Decker, 3700mAh Battery Compatible with HPB18-OPE/HPB18/A1718/FS18FL/FSB18/Firestorm + Power Tools, with 9.6V-18V Multiple Volt Output Battery Charger : Tools & Home Improvement