Feature: 1. Versatile Battery Compatibility: The car battery jump starter adapter is compatible with a wide range of 18V Li ion batteries(not included), including models for BL1815, for BL1820, for BL1830, for BL1840, for BL1850, for BL1860, for BL1845, and for BL1890. This flexibility ensures that users can power the adapter with the batteries they already own, although the battery itself is not included. 2. User Friendly Operating: Operating the automotive booster cable adapter is straightforward. Simply mount the appropriate battery onto the adapter, charge the vehicle for 2 minutes, then connect the red clip to the positive terminal and the black clip to the negative terminal of your vehicle's battery. After starting the vehicle, disconnect the cables within 30 seconds for safe and efficient use. 3. Rugged And Innovative Design: Featuring the most advanced technology in car jump start converters, this car jump starters adapter boasts a unique and rugged design. The adapter cover is made from robust ABS plastic material, ensuring longevity and performance under various conditions. Additionally, the use of pure materials for the adapter cables maximizes conductivity and safety during use. 4. Heavy Duty No Snarling Cables: The car starter cable adapter comes equipped with 11AWG jump cables that are both heavy duty and designed to resist tangling. These cables fit both top post and side terminal 12V batteries, ensuring good power transfer to your vehicle. The non conductive rubber coating and double grip design enhance conductivity, tension proof, and provide a secure grip during operating. 5. Wide Application: Specifically designed for vehicles with engines up to 3.5 liters, this portable jump start cable adapter is suitable for jump starting 12V battery cars, motorcycles, and other small vehicles. It acts as a crucial emergency backup for getting your vehicle moving again without needing external help. Specification: Item Type: Car Jump Starters Adapter Material: ABS Battery: 18V Li Battery x1 (Battery Not Included) Crocodile Clip Opening: Approx. 55mm / 2.17in Compatible Batteries: for BL1815, for BL1820, for BL1830, for BL1840, for BL1850, for BL1860, for BL1845, for BL1890. Package List: 1 x Car Jump Starters Adapter