Costco battery jump box11/17/2023 ![]() ![]() The best practice is to charge a jump starter after each use. ![]() So, plug in your jump starter early and often. You cannot harm them with frequent charges, even when they are only slightly discharged. Remember, jump-starter batteries have no memory issues. ![]() Avoid letting the unit sit in a highly discharged state. Of course, that is the key: you must follow these steps if you want to get the best and longest service from your jump starter.ġ. Keeping these steps in mind could extend the life of your jump starter as much as two to three times longer than if you do not follow these basic recommendations. In my personal life, there have also been plenty of times that I’ve had to jump vehicles for myself or for others.ĭuring the research phase, things like overall capacity, peak amperage, clarity of digital display, water resistance, and the number of ports factored into our decisions while making our selection, were just a few factors that helped inform our selection, along with price point.There are several steps that will keep your jump starter in good operating condition and support a long service life. Prior to becoming a journalist, I also worked in a garage, where our responsibilities often included testing batteries and jump starting dead ones. In that time, I’ve tested a variety of vehicles and automotive products, including jump starters. How We Selectedįor the past five years, I’ve worked as an automotive journalist. 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 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. Peak AmperageĪlong with capacity, peak amperage is another important metric to look out for. We recommend looking for jump starters that have at least 10,000 mAh of capacity, though you can get one that's nearly double that size, like our best overall pick. 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). Battery Capacityīattery capacity is important because larger packs re-fire a greater number of vehicles and devices before they need to be recharged-bigger numbers equate to more capacity. 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. Thankfully, portable jump starters are quite simple to compare to one another. ![]()
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