Feature:1. STRONG MATERIAL: Car jump starter is formed in one body, no burrs on the surface, using excellent ABS material, strong and long lasting, you can use with confidence2. APPLICABLE MODEL: The car jump starter is suitable for BL1815N BL1830 BL1840 BL1850B series of 18V lithium batteries, very versatile3. SAFE CONDUCTION: The car jump starter feature a non conductive rubber and dual grip design to provide better electrical conductivity, tension and a safe grip while in use4. APPLICABLE SCENARIO: Portable car jump starter is suitable for trucks, SUVs, full size cars, midsize cars, and small compact cars, useful and practical5. CONNECTION DESCRIPTION: Connect the red clip of the car battery jump starter to the positive terminal and the black clip to the negative terminal for quick and easy operatingSpecification:Item Type: Car Jump StarterMaterial: ABSCompatible Battery: 1 x For BL1815N BL1830 BL1840 BL1850B Series 18V li ion battery(not included).Package List:1 x Car Jump Starter1 x User Manual