Adapter Compatibility Battery: This power wheel adapter is compatible with 18V Lithium-Ion battery series, including BL1850B, BL1860B, BL1830B, BL1840B, BL1820B, and other similar 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 compatible with Peg-Perego 12-volt power wheels. The wire harness safely connects to standard Peg-Perego 12-volt SLA and 12-volt lithium battery riding toys. Two Upgrades: The power wheel converter features 12 AWG wire and a 40A fuse. The thick copper wire improves conductivity and supports high current flow for safe operation. The included fuse holder helps protect against excessive transient current, preventing damage to the battery and equipment. Widely Applicable: This battery adapter allows you to upgrade your power wheel without modifying the existing circuitry. It is suitable for use with 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 battery. When not in use for extended periods, disconnect the battery from the adapter. Color: As shown in photo Material: ABS Package Contents: 1 x Wheel adapter 2 x Fuses 2 x Screws (random colors, no color choice available) Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm.