Owning a car comes with its share of responsibilities, and one inevitable situation every driver faces is a dead battery. Whether it’s due to aging, leaving lights on, or unexpected electrical issues, a car that won’t start is frustrating and inconvenient. While calling for roadside assistance or relying on jumper cables and another vehicle are options, they are time-consuming and depend on external help. The most efficient and self-reliant solution? A portable car battery jump starter.
These handy devices, also known as battery boosters or jump boxes, are designed to deliver a powerful burst of energy to revive your car’s battery instantly. They are essentially compact, powerful batteries capable of jump-starting your vehicle without needing another car. Beyond just jump-starting, many of these devices double as portable power banks, offering USB ports to charge your electronic devices on the go.
Choosing the right portable jump starter can seem daunting with numerous options available. To simplify your selection, we’ve compiled a list of the Best Portable Car Battery Jump Starters, considering factors like power, features, and user recommendations. We’ve analyzed top models favored by car enthusiasts and everyday drivers alike to ensure you find a reliable device to keep you moving.
A crucial tip to remember: even the best portable car battery jump starter is useless if it’s out of power. Make it a habit to check your jump starter’s charge level monthly and recharge as needed. Many high-quality models feature indicator lights to display the remaining charge, making maintenance straightforward.
To bring you expert recommendations, we’ve also tapped into community feedback, including insights from the SubaruOutback.org forum. Considering various needs and preferences, here are our top picks for the best portable jump starters to keep in your car.
NOCO GB40 Boost Plus
The NOCO brand consistently receives high praise across various automotive communities, and the GB40 Boost Plus is a standout model. Recommended by users like Johnny Rotten, digo, SpinMap, and Longhorn on SubaruOutback.org, NOCO jump starters are known for their reliability and performance.
The GB40 boasts a 1,000 amp capability, sufficient to jump-start gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters. Its compact lithium-ion battery provides up to 20 jump starts on a single charge. For added convenience, it includes USB charging for itself and can act as a power bank for your devices with its 5V USB output. LED indicators clearly show the remaining charge and connection status. Furthermore, it features a multi-mode LED flashlight with SOS, blink, and strobe functions, all packaged in a practical storage case. The NOCO GB40 is a well-rounded and highly recommended portable jump starter.
JNC660 Jump-N-Carry
While user pgadams suggested the smaller JNC300XL, we favor the more robust JNC660 model. JNC jump starters are known for their traditional, reliable design, utilizing sealed lead-acid batteries. Though not as technologically advanced as lithium-ion options, many users prefer the dependable nature of this older technology.
The JNC660 is admittedly bulkier than some competitors, which might occupy more trunk space. However, its solid build inspires confidence, capable of withstanding bumps and jostles in your vehicle. With 1700 amps, it’s powerful enough to start almost any gasoline or diesel engine. Long 46-inch cables provide flexibility in positioning the unit during a jump start, keeping it away from moving engine parts. It also includes a 12V power outlet and an easy-to-read voltage gauge for monitoring charge levels. A significant advantage is the replaceable 12V battery, extending the unit’s lifespan and reducing electronic waste. For those who prioritize proven reliability, the JNC660 is a strong contender.
Hulkman Alpha85 Jump Starter
Recommended by user OFFM, who equips each of their cars with one, the Hulkman Alpha85 stands out for its powerful performance and smart features. This jump starter delivers a peak current of 2000 amps, ensuring reliable starts even in very cold conditions. Thanks to its lithium-ion battery and intelligent power management, Hulkman claims an impressive 18-month standby time without significant charge loss.
The Alpha85 features a large, informative display that shows precise battery percentage, charging/discharging status, and connection confirmation, ensuring safe and proper operation. It also functions as a versatile power bank with USB-A, USB-C, and a 12V car outlet for charging various devices. When it’s time to recharge the unit itself, its 65W fast-charging capability allows a full recharge in under two hours, significantly faster than many alternatives. The Hulkman Alpha85 combines power, smart technology, and rapid charging for a top-tier portable jump starting experience.
AutoWit SuperCap 2 Capacitor Jump Starter
The AutoWit SuperCap 2, recommended by svxcess, takes a different approach to jump starting by utilizing a supercapacitor instead of a traditional battery. This innovative design offers unique advantages and considerations.
Supercapacitor jump starters work best when your car battery still has a small amount of charge. They draw this residual low-voltage power, convert it, and store up to 800 amps for a powerful jump start. This technology excels in situations where the battery isn’t completely dead (above approximately 9 volts).
The key benefit of supercapacitors is their enhanced safety and longevity. They eliminate the risks associated with lithium-ion batteries, particularly in extreme temperatures, and offer a longer lifespan. The SuperCap 2 can start gasoline engines up to 7.0 liters under most conditions. While the technology might seem complex, it offers a compelling alternative for those seeking a safer, potentially longer-lasting portable jump starter.
DBPower Peak 1600A Portable Car Jump Starter
The DBPower Peak 1600A, recommended by stfsubaru and freckles1219, is a compact and versatile lithium-ion jump starter. Its small size makes it easy to store in virtually any vehicle. Despite its compact design, it offers robust performance with 1600A peak current.
Safety is a priority with the DBPower, featuring over-current and short-circuit protection built into the battery cables. It also includes a digital power display, USB ports for charging devices, and a built-in LED flashlight, enhancing its utility in emergency situations and low-light conditions. The DBPower Peak 1600A provides a balance of portability, power, and safety features at a competitive price point.
Conclusion
A portable car battery jump starter is an indispensable tool for any car owner. It offers peace of mind and self-reliance when faced with a dead battery. Whether you prioritize raw power, advanced technology like supercapacitors, or compact portability, there’s a best portable car battery jump starter to match your needs. Investing in one of these devices is a smart decision, ensuring you’re never stranded due to a dead battery again. Remember to regularly check and maintain your jump starter to ensure it’s ready when you need it most.
Lead photo by Viktollio/Shutterstock.com
