Adapter Compatibility Battery: This adapter is compatible with 18V Lithium-Ion battery series, such as BL1850B, BL1860B, BL1830B, BL1840B, BL1820B, and other similar models. The well-designed adapter ensures a snug fit, allowing for 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 battery riding toys. Two Upgrades: The power wheel converter features 12 AWG wire and a 40A fuse. The thick copper wire enhances 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 adapter is ideal for upgrading power wheel toy cars without modifying existing circuits. It is also suitable for 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 fuse 2 x screws (random colors, no specific color guaranteed) Note: Light reflection and display differences may cause slight variations between the product color in images and the actual item. Measurement may vary by +/- 1-3 cm.