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, ensuring easy installation and removal. 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-ion battery riding toys. Two Upgrades: The power wheel converter features 12 AWG thick copper wire and a 40A fuse. The heavy-gauge wire improves conductivity and supports high current flow for safe operation. The included fuse holder protects against excessive transient current, helping prevent 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 adapter is not a charger. It directly outputs voltage and power from your 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 Wheel adapter 2 x Fuses 2 x Screws (random colors, no specific color guaranteed) Note: Light reflection and display differences may cause slight variations between the item color in the photo and the actual product. Measurement may vary by +/- 1-3 cm.