550 Start Assist Amps 12 Volt Jump Starter / Power Supply / LED Flashlight The JNC345 is a lightweight, lithium 12 Volt Jump Starter that doesn’t lack in power or performance. With its rugged 40 cables and clamps the JNC345 delivers 550 Start Assist Amps that can start most V8 vehicles. Whether stranded with a dead battery or working in a busy garage, the JNC325 will deliver the power you need to get you going again. With its override feature, it can even service totally dead (0.0V) batteries. In addition to being a jump starter, the unit features 2 USB Ports (2.4A x 2) to charge small electronics such as your phone or tablet. The JNC345 also features a slew of safety features such as Reverse Polarity Protection, Short-Circuity Protection and Over-Current Protection.