After comparing the capacity, peak amperage, and ports for each model, we determined these as nine of the best portable jump starters. Along with our use, we read through hundreds of Amazon reviews to separate good jump starters from great ones. We’ve spent many hours charging batteries with different chemistries (like lithium-polymer, lithium-ion, or nickel-metal hydride) and evaluating all manner of cars and accessories. Along with faster charging, a 12-volt rail expands the range of devices that you’ll be able to power. Most jump starters provide a number of USB ports, but the real kicker is to look for a 12-volt outlet. Outside of their main function, battery jump starters can also recharge phones, tablets, and other portable tech, so pay attention to the interface ports. However, this is most relevant when starting your vehicle, as anything above 1,000 amps would fry your mobile device in an instant. More amperage generally leads to faster charge times and the ability to start bigger engines-as long as your vehicle can handle it. This measures how much electricity the battery can supply in a given moment. We recommend looking for jump starters that have at least 10,000 mAh of capacity.Īlong with capacity, peak amperage is another important metric to look out for. Although some manufacturers measure battery capacity in terms of how many vehicles or devices it can charge, the standard unit of measure is milliampere hours (mAh). Our stock includes quality names like Delco Remy heavy-duty truck starters and alternators and many others. These devices, sometimes called battery jump starters, are essentially heavy-duty backup batteries equipped with jumper cables, so take into account metrics like capacity, amperage, and interface ports.īattery capacity is important because larger packs will be able to re-fire a greater number of vehicles and devices before they need to be recharged-bigger numbers equate to more capacity. To learn more about this well-known brand and for some tips about how to stop starter and alternator problems dead in their tracks before they stop you, read on. Thankfully, portable jump starters are quite simple to compare to one another.
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