The Schumacher Electric SL1519 1500A 12V Lithium Jump Starter energy-efficient, yet lightweight and portable, the rechargeable SL1519 is great for jump starting and emergency power. Advanced high-performance 4-cell lithium technology provides up to 35 jump starts per battery charge for 10.0L gas and 8.0L diesel vehicles. Safe smart clamps ensure worry-free protection. The 2.4A USB port, built-in light and 150 psi air compressor complete the package.