Compatible with DeWalt 20V MAX Batteries: These jumper cables are designed to work with DeWalt 20V MAX batteries. When your car battery fails, you can conveniently jump-start your vehicle using a compatible cordless tool battery. Specifications: 8-gauge booster battery jumper cables for starting dead or weak batteries. Suitable for trucks, SUVs, full-size, midsize, and compact cars. Instructions for use: 1. Connect the red clamp of the jumper cable to the positive terminal (+) of the vehicle battery and the black clamp to the negative terminal (-). 2. Insert the DeWalt 20V MAX battery into the adapter and ensure it is securely locked in place. 3. Attempt to start the vehicle. 4. Once the vehicle starts, disconnect the cable from both the battery and the vehicle. Note: For best results, use a battery charged above 50%. If the first start attempt fails, wait a few minutes before trying again. After successful ignition, remove the cable within 30 seconds. The jumper cable features an insulated handle to help prevent electric shock and enhance user safety. Color: Yellow Material: ABS Package Contents: 1 x Car auxiliary starter Note: Light reflection and different display settings may cause slight variations in color between the product and the image. Measurement may vary by +/- 1-3 cm.