Adapter Compatibility Battery: This power wheel adapter is perfectly compatible with Makita 18V LXT Lithium-Ion batteries, including BL1850B, BL1860B, BL1830B, BL1840B, BL1820B, and other compatible models. The adapter is well-designed for a snug fit, making it easy to install and remove. Wire Harness Connector Compatible: This 18V battery connector is designed to work with Peg-Perego 12-volt power wheels. The wire harness safely connects to standard Peg-Perego 12V SLA and lithium batteries used in riding toys. Two Upgrades Safety: The power wheel converter features 12 AWG thick copper wire and a 40A fuse. The heavy-gauge wire enhances conductivity and safety, supporting high current flow for reliable performance. The included fuse holder helps protect against transient overcurrent, preventing damage to your battery and equipment. Widely Applicable: This battery adapter allows for a safe upgrade of your power wheel toy cars without modifying the existing circuitry. It is also suitable for use in RC toys, robotics, and various DIY projects. Important Note: This power wheel adapter is not a charger. It directly outputs voltage and power from your connected battery. When not in use for extended periods, remove the battery from the adapter. Color: As shown in photo Material: ABS Package Contents: 1 x Power wheel adapter 2 x Fuse 2 x Screws (random colors, no specific color guaranteed) Note: Light reflection and display differences may cause slight variations between the item color in photos and the actual product. Measurement may vary by +/- 1-3 cm.