More safety: The battery adapter (1 piece) is equipped with a fuse and high-quality silicon copper wire to prevent excessive transient currents from damaging the battery and equipment. You can use it with complete safety. Perfectly compatible: Works with Milwaukee M12 48-11-2420 48-11-2411 48-11-2401 48-11-2402 48-11-2460 batteries. Easy to install, it clips on the battery very well. Easy to use: The adapter is equipped with wiring terminals, which allows you to connect the power cable of your device to the power cable of the adapter more quickly and effectively. Multi-scene use: The electric wheel adapter has a 12.5 inch 14 gauge wire installed; You can use it to upgrade your electric wheels, RC toys, robotics, DIY, etc. Maximum allowable current: 20A. This adapter will allow you to upgrade the level of your electric wheel quickly and safely, and enjoy the beauty of DIY. Tips: The red wire is connected to the positive terminal, and the black wire is connected to the negative