This compact 12-volt lithium-ion jump starter can be used to start gas and diesel engines, as well as charge phones, tablets, speakers and other portable USB devices.
The battery loses just 2 percent of its charge per month when stored and offers as many as 1,000 full charging cycles, according to the manufacturer. The unit comes with wall and car chargers and is available in three sizes that range in price from $99 to $189. Weego, Burlington, New Jersey, (609) 265-9200. myweego.com
This article originally appeared in the August 2015 issue.