Premium Quality: The Kzreect battery adapter is made of fire retardant ABS material and equipped with a heavy-duty 12-gauge wire. It is designed to provide a safe and reliable connection compatible with Fisher-Price 12-volt power wheel Two Upgrades: Thicker copper wire enhances durability and safety compared to aluminum wires, making it more flexible and resistant to breakage from repeated bending. The fuse holder regulates output to prevent short circuits and overheating Easy to Use: You can use them to connect a standard 12-Volt SLA battery. Simply move the battery converter into the battery groove to fix and lock it in place Widely Applicable: The battery adapter is compatible with 18V lithium batteries, including 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840 and others Suitable for: The connectors are fully compatible with Fisher-Price power wheel 12-Volt batteries Battery Adapter Conversion Kit with Fuse Holder and Wire Harness Connector Compatible with Fisher-Price 12V