Adapter Compatibility Battery: This power wheel adapter is perfectly compatible with Makita 18V LXT Lithium-Ion batteries, including models BL1850B, BL1860B, BL1830B, BL1840B, and BL1820B. The well-designed adapter provides 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 lithium battery-powered ride-on toys. Two Upgrades Safety: The power wheel converter features 12 AWG thick copper wire and a 40A fuse for enhanced conductivity and safety. The fuse holder protects against excessive transient current, helping prevent damage to the battery and equipment. 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 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 Power wheel adapter 2 x Fuse 2 x Screws (random colors, no specific color guaranteed) Only the items listed are included; other products are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.