Compatible for 18V Lithium Ion Battery: The jumper adapter is perfectly compatible with 20V Lithium Ion. (Note: The packaging does not contain batteries) Easy to operate: Plug the fully battery into the adapter. Connect the red clip to the positive terminal of the car battery and the black to the negative terminal. your vehicle and disconnect the cable clamp within . [Excellent quality, easy to store]Premium quality: Our battery adapters are made of ABS plastic. It adopts high-quality tinned copper wire core, which has excellent electrical conductivity; it adopts a portable design, small and , and easy to store. Note: Do not flip the jumper operation. Please be careful when using it, because it cannot be overloaded. Please check the power requirements of the equipment before use. Please note that the jumper does not convert or buck voltage. Widely used: The 12V car battery charger is widely used, suitable for mini cars, golf carts, camping lights, lawn mowers, fishing boats to prepare for water and night fishing, etc., providing power for outdoor activities. Please note: The jumper adapter can only vehicles with less than 3.5 liter or 6.5 liter engines. This is just the role of an emergency -up car. Color: Blue Material: plastic Package Contents: 1*Car Jump 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.