EASY INSTALLATION - Just plug your into the adapter and connect the clamps (black for minus and red for plus) to the vehicle battery. No complicated setup required! WIDE COMPATIBILITY - The adapter works with most tool batteries (18V-20V) and vehicle batteries, making it a versatile solution for different vehicle types. SAFE USE - Equipped with safety features such as short-circuit and overheating protection, so you can your vehicle with complete peace of mind. COMPACT AND PORTABLE DESIGN - and easy to store, making it ideal for both home and car. Always have it ready in your toolbox or trunk. CONSTRUCTION - Built to withstand harsh conditions and regular use, ensuring and reliability. Type:Dual USB Suitable For (Shipping without batteries) Chargeable for Other Devices Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Plastic Package Contents: 1 * Lithium Battery Converter(No Battery) 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.