Compatible with Wiring Harness Connector: This wiring harness connector is perfectly compatible with 12-volt Power Wheels and can be safely connected to standard 12-volt SLA and lithium battery toy cars. Compatible with Battery Adapter: Perfectly compatible with Dewalt 18V/20V lithium batteries, works with DCB205 DCB206 DCB204 DCB203 DCB200 DCB201 etc. Our battery adapter is well designed, fits your battery exactly and is easy to install and remove. Even more convenient: The battery adapter comes with a wiring harness connector, a fuse holder and three 40A fuses, screws and drywall anchors. Extensive accessories make your DIY projects easier and are ideal for 12V toy cars! (Note: Battery not included) Versatile use: Use this battery adapter to power standard 12-volt SLA and lithium battery toy cars. The maximum allowable current is 20A for 12AWG wire. You can safely upgrade your Power Wheels toy cars without changing the existing circuits. Important Note: This Power Wheels adapter is