This is "NOT" a Jumpstart/Inverter Combo kit - YouTube
Ryobi OP403 Lithium-ion 40 Volt Battery Charger W/USB Plug In : Amazon.ca: Tools & Home Improvement
Jump Starters - Battery Charging Systems - The Home Depot
Amazon.com: Ecarke for Power Wheels Adaptor for Ryobi 18V One+ P108 P107 P102 Battery Dock Power Connector RC Toy & Car,e-Bike 12 Gauge Robotics (with Wire Terminals) : Tools & Home Improvement