The Boost Max is the next generation of portable lithium jump starters. Engineered from the ground up, the Boost Max is one of the most powerful and innovative jump starters on the market. Designed for both 12-volt and 24-volt gas and diesel engines in Class 8+/CE high-displacement vehicles and equipment, the Boost Max is 400-percent smaller and lighter than its closest lead-acid equivalent. And it features our patented safety protection for spark-proof technology and reverse polarity protection, as well as the confidence to power your favorite devices ranging from smartphones to tire pumps.