Adapter Compatibility Battery: This power wheel adapter is compatible with 18V Lithium-Ion battery models including BL1850B, BL1860B, BL1830B, BL1840B, BL1820B, and others. 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 transient current surges that could damage the battery or equipment. Widely Applicable: This battery adapter allows for safe upgrades of power wheel toy cars without modifying existing circuits. Suitable for use with RC toys, robotics, and other 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 specific color guaranteed) 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.