The Allstart Updated Micro-Boost Jump Starter and Charger, No. 540, features a new compact and rugged design and offers 15 percent more power than the company's previous 540 model. It's ideal for use on virtually all V6 gas powered engines. The unit weighs under a pound, is able to charge devices fast with a quick charge output, and automatically shuts off to conserve battery life. Additionally, it has jump start clamps with 100 percent copper inserts and anti-spark protection as well as a bright, multi-function LED flashlight. The Micro-Boost power unit includes smart start cables, USB to micro USB cable, carrying pouch, and user manual.