1. Booster battery jumper cables for jump starting a dead or weak battery. Ideal for trucks, SUVs, full-size cars, mid-size cars and small/compact cars 2. The two alligator clamps have strong jagged teeth and springs for excellent grip force. The jaws are strong and make connections easy. And the Jumper Cables has insulating handle to prevent . 3. Our adapter case was made of ABS plastic material. have conductivity and safety. 4. Easy to Use: Attach the red clip to the positive side of the battery. Black to the negative side of the battery. Type:B: [Compatible For 18V Batteries] For 18V batteries: BL1850B, BL1860B, BL1840B, BL1830B, BL1820B, BL1815,etc. Please note: (1). This adapter is only used for emergency starting when the car battery is fed. It should be removed immediately after the car starts to avoid damaging the battery. (2). When the adapter is plugged into the battery, it should avoid contact between the two clips. When not in use, it should be immediately removed from the battery to avoid damaging it. Color:As Shown Material:plastic Package Contents: 1 * 18V Li-ion Battery Jump (Battery not included!) 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.