The jump starter aid is compatible with 18V batteries BL1830 BL1840 BL1850 BL1860 series (Note: Battery not included) For jump starting cars with engine, 12V car battery booster. 11 Gauge jumper cables to start a dead or weak battery. Ideal for trucks, SUVs, full-size cars, mid-size cars and small/compact cars. Instructions for use: First charge the car battery for about 2 minutes, then start the car. 1. Connect the red battery clamp of the jumper cable to the positive pole (+) of the vehicle and the black clamp to the negative pole (-). 2. Insert the battery into the adapter and it is securely locked. 3. Try to start the car. 4. Disconnect the connection between the car battery and yours after starting the car. The two giant alligator clips have strong jagged teeth and springs for excellent gripping power. The jaws are strong and make connections easy. And the jumper cables have an insulating handle to prevent and protect users' safety. The jumper cable has non-conductive rubber and a dual-grip design, providing better conductivity, tension and a secure grip during use. The cables work with 12-volt batteries with top and side terminals. 11-gauge, heavy-duty, no cable construction. Ideal for use with mid-size cars, light pickup trucks and light recreational vehicles. It's just an adapter, no battery; Different batches may have different stickers and screen prints, which does not affect use; Different lights or displays may cause color differences in the actual product Color: Photo color Material: ABS Package contents: 1 x Car starter adapter 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 to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm.