Better security: The adapter is equipped with a fuse and high-quality silicone copper wire to prevent excessive transient current from damaging the battery and equipment. You can use it safely. Perfectly compatible: Works with Makita BL1860, BL1850, BL1840, BL1830, BL1860B, BL1850B Li-ion batteries. Easy to install and locks securely onto your battery. Easy to operate: The adapter features a switch to control the current on or off. It also includes wiring terminals for convenient and secure connection of the device power cord. Multi-scene use: The adapter comes with 12.5 inches of 14 gauge wire. It can be used for power wheels, RC toys, robotics, and DIY projects. Maximum permissible current is 20A. This adapter allows for a quick and safe upgrade for your power wheel projects. Color: Blue Material: Metal + Plastic Package Contents: 1 x Power wheels adapter set Tips: Connect the red wire to the positive terminal and the black wire to the negative terminal. Ensure correct polarity when connecting to your device. When not in use for extended periods, remove the battery from the adapter. Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error is +/- 1-3 cm.