The Weego 44 can start up to a 6.4-liter gas engine and up to a 3.2-liter diesel, in addition to charging mobile electronics and other devices.

Features include a 12-volt output to power accessories, a 500-lumen LED light with strobe and SOS modes, patent-pending Smarty Clamps for safe starting and 24-inch cables. The compact unit loses just 2 percent of its charge per month when stored and provides more than 1,000 charging cycles, according to the manufacturer. $150. Paris Corp., Westhampton, New Jersey, (609) 265-9200. myweego.com

This article originally appeared in the October 2016 issue.