Compatible with Milwaukee M18 batteries 18v series 48-11-1815 / 48-11-1820 / 48-11-1828 / 48-11-1840 / 48-11-1850 / 48-11-1860 etc. Our battery adapter connector is well-made, fits snugly with your battery and can be easily installed and locked. Made of durable ABS plastic, heat-resistant, non-corrosive, perfect for indoor and outdoor use. Better safety, our product upgrade has certain safety features. Equipped with a 30A fuse to protect the battery equipment from damage due to excessive current. The waterproof fuse holder rubber cover fits snugly to protect the blade fuse inside. High-quality silicone copper wire improves conductivity and safety, and the heat-resistant 12 AWG wire is suitable for high-power applications. Easy to use, just move the power adapter to the groove, then push the converter in and make sure it has locked the battery. If you want to remove the adapter from the battery, press the battery buckle and then take it out. There are 3 mounting screw holes on the adapter, which can be well fixed on the wall, machine or DIY products. Wide range of uses, the power wheel adapter is installed with a 12-gauge wire and the maximum allowable current is 20A. You can use it to upgrade your power wheels, remote control toys, work lights or robot DIY, and provide enough power. Important tips: This converter is not a charger, it only outputs voltage and current directly from your battery. The red wire is connected to the positive pole and the black wire is connected to the negative pole. Note: Batteries are not included Color: red Material: plastic Package contents: 2 x Converters 6 x Fuses 2 x Terminals Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.