Wire Harness Connector Compatible: Perfectly compatible with all Peg-Perego 12-volt ride-on toys, this wire harness connector can safely connect to the standard 12 volt SLA and lithium battery ride on toys Azocek Battery Adapter Compatible: Perfectly compatible with Mil-wau-kee 18V lithium batteries, works with 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, 48-11-1815 etc. Our battery adapter is well-design, snugly fit your battery, easy to install and remove(Note: battery not included) More Convenient: The Azocek battery adapter comes with Wire Harness Connector, with a fuse holder and three 40A fuses, screws, and drywall anchors. Rich accessories to make your DIY work easier, and ideal for 12V Riding Toys! (Note: battery not included) Widely Applicable: Use this Azocek battery adapter to power the standard 12 volt SLA and lithium battery riding toys . The max allowable current is 20A for 12AWG wires. You can safely upgrade your toy cars without changing the existing circuits Important Note: This adapter is not a charger, it only outputs the voltage and power directly from your battery. If you don’t use it for a long time, please be sure to remove the battery from the adapter. If you have any questions, please feel free to consult us compatible with Power Wheel Adapter with Wire Harness Connector