The battery adapter is compatible with 18V Li-ion batteries including models 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, and others. It features two 12-gauge wires with a maximum permissible current of 55.6A. Input voltage range is 14.4V to 21V, with a DC output of 12V, 15A, and 180W power. The maximum conversion efficiency reaches up to 95% thanks to Synchronous Rectification Technology. Constructed from high-quality materials, it is waterproof, dust-resistant, shock-resistant, and designed for efficient heat dissipation. This adapter integrates a battery connector and voltage converter, pre-wired with two heat-resistant cables for easy installation. Simply connect the battery to the adapter and the converter to your device. Battery Adapter: Includes fuse for overcurrent protection. Copper contacts enhance conductivity and safety. Voltage Regulator: Built-in smart chip provides protection against over-current, over-load, low-load, short-circuit, over-heat, over-drain, and low voltage conditions. Wide Application: Suitable for use with golf carts, motors, railway signals, car display screens, GPS devices, speakers, instruments, DVD players, surveillance systems, solar energy systems, photovoltaic setups, LED strip lights, wheels, cable TV equipment, 3D printers, ham radio transceivers, and more. Color: Red Material: ABS Package Contents: 1 x Battery Adapter Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.