Compatible with Milwaukee M18 battery 18V series 48-11-1815, 48-11-1820, 48-11-1828, 48-11-1840, 48-11-1850, 48-11-1860 and more. The battery adapter connector is well-made with a snug fit, allowing easy installation and secure locking of the battery. Constructed from durable ABS plastic, it is heat resistant and corrosion resistant, suitable for both indoor and outdoor use. Enhanced security features include a 30Amp fuse that protects connected equipment from power surges. The waterproof fuse holder includes a rubber cap that tightly seals to protect the blade fuse. High-quality silicone-coated copper wire ensures excellent conductivity and safety. The 12 AWG heat-resistant wire is ideal for high-power applications. To install, simply insert the power adapter into the battery groove and push until securely locked. To remove, press the battery release buckle and disconnect. The adapter includes three mounting screw holes for secure attachment to walls, machinery, or DIY projects. Designed for versatile use, the power wheels adapter comes with 12-gauge wire and supports a maximum current of 20A, making it suitable for upgrading power wheels, RC toys, work lights, robotics, and other DIY projects. Package includes 2 power wheels adapters with fuse holders, 6 pieces of 30Amp fuses, and 2 wiring terminals. Note: Battery not included. Important: This converter is not a charger; it only delivers direct output from your battery. Connect the red wire to the positive terminal and the black wire to the negative terminal. Always ensure correct polarity when connecting to devices. When not in use for extended periods, remove the battery from the adapter.