Adapter Compatibility Battery: This adapter is compatible with 18V Lithium-Ion battery series, such as BL1850B, BL1860B, BL1830B, BL1840B, BL1820B, etc. The well-designed adapter provides 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 connector safely connects to standard Peg-Perego 12-volt SLA and 12-volt lithium battery riding toys. Two Upgrades Safety: The power wheel converter features 12 AWG wire and a 40A fuse. The thick copper wire improves conductivity and safety, allowing high current flow for safe equipment operation. The fuse holder helps prevent damage from excessive current to both the battery and device. Widely Applicable: This battery adapter allows safe upgrading of power wheel toy cars without modifying existing circuits. Suitable for RC toys, robotics, and other DIY projects. Important Note: This adapter is not a charger; it only outputs voltage and power directly from your battery. If 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) Only the above items are included; other items are not part of this package. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.