Introducting the Lithium-ion compact Jump Starter - a mini breakthrough big on quality and price. Has the advantages of being lighter and more compact compared to lead-acid batteries. Lithium-ion batteries can also last longer than lead-acid batteries. This means they need replacing less often. The drawback has been they are more expensive than the equivalent power lead-acid battery alternatives - until now. After years of experience designing and manufacturing, the TITAN-389 Pocket Jump Starter has arrived offering a performance, quality and price revolution.