Unmissable Deal on My Trusted Jumpstarter: Now Almost 50% Off!

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Compact enough to place inside your glove compartment, this jumpstarter is the most affordable yet dependable option I've relied upon firsthand. For years, I've kept mine across several vehicles, and it's never let me down. On two occasions, it successfully revived a completely drained battery in my hefty '95 Land Cruiser—and it still had power to spare. Currently, the Gooloo A3 model is being offered at nearly half its price during the Amazon Prime Big Deal Days.

If a power bank is what you seek to fuel various gadgets, consider exploring WIRED's top recommendations for power banks, alongside other budget-friendly product categories in their guides.

Discovering the Gooloo A3 3000A Jumpstarter

I came across this portable A3 jumpstarter, which some versions even come with a tire inflator, on a desolate road in Delaware where no phone reception was available. I relied on the generosity of a truck driver who equipped this lifesaver—a compact Gooloo jumpstarter. That encounter made me head straight to the store to acquire my own A3 model, a decision I've not regretted.

Boasting 3000 amps of peak current, this jumpstarter supplies ample power for most vehicles at an attractive price. It’s designed for gas engines up to 9 liters and diesel engines up to 6 liters, compatible with traditional 12-volt systems.

Considering Other Options

While a higher peak current isn't always synonymous with superior performance or longevity, I am evaluating various models, including Gooloo's acclaimed 6000-amp unit, and those from competing manufacturers.

For owners of large diesel vehicles or those who live in colder climates, opting for a jumpstarter with a higher amperage may be prudent. Specifics worth noting include using the 'boost' function for completely drained batteries and ensuring the clamps are compatible with your vehicle's design.