Compatible with Milwaukee M18 18V batteries (models 48-11-1815, 48-11-1820, 48-11-1828, 48-11-1840, 48-11-1850, 48-11-1860, etc.). This battery adapter connector is made of durable ABS plastic, heat-resistant and non-corrosive, suitable for indoor and outdoor use. It fits securely onto the battery and installs easily with a locking mechanism. Enhanced safety features include a 30A fuse to protect connected equipment from overcurrent damage. The fuse holder has a waterproof rubber cover for added protection. High-quality silicone-coated copper wire ensures reliable conductivity and safety; the 12 AWG wire is rated for high-power applications. Simple operation: slide the adapter into the battery’s groove, push firmly until it locks. To remove, press the battery’s release buckle and gently pull the adapter out. Three mounting screw holes allow secure installation on walls, machines, or DIY projects. Designed for versatile use: compatible with power wheels, remote control vehicles, work lights, robotics, and other DIY applications. Uses 12-gauge wire with a maximum current rating of 20A. Important: This is not a battery charger. It provides direct voltage and power output from the battery. Red wire connects to positive terminal; black wire connects to negative terminal. Batteries are not included. Color: Red Material: Plastic Package includes: - 2 x Battery adapters - 6 x 30A fuses - 2 x Wire terminals Note: Actual product color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.