A dead battery does not care about your schedule. It happens in parking lots, driveways, and the one time you leave your headlights on at the grocery store. Calling a tow truck costs more than the jump starter itself, and begging a stranger for a boost is not a great time. A portable jump starter fits in your glove box, holds a charge for months, and gets you back on the road in about 30 seconds. I looked at what is actually available, what actually works, and picked five that are worth keeping in your car.
Quick picks
- Best overall: NOCO Boost Plus GB40
- Best for trucks: NOCO Boost HD GB70
- Best cold weather: Hulkman Alpha85S
- Best budget: GOOLOO GP2000
- Best with air compressor: S ZEVZO ET03
1. NOCO Boost Plus GB40 — Best overall
The NOCO GB40 is the jump starter that shows up on every best-of list, and it earned that spot. It delivers 1,000 peak amps in a package that weighs 2.5 pounds. That is enough to start gas engines up to 6 liters and diesel engines up to 3 liters, which covers most passenger cars and SUVs. The IP65 waterproof rating means rain, snow, and mud are not going to kill it.
The UltraSafe technology includes spark-proof connections and reverse polarity protection, so even if you mix up the clamps, nothing bad happens. The Boost Mode lets you bypass the waiting period on deeply dead batteries and get an immediate start. It doubles as a power bank with USB ports for charging your phone. NOCO built their reputation on this product and it shows.
Who it is for: Everyday drivers who want a reliable, compact jump starter that handles most vehicles and fits in a glove box.
2. NOCO Boost HD GB70 — Best for trucks
If you drive a truck, SUV, or anything with a bigger engine, the GB40 might not cut it. The GB70 doubles the power to 2,000 peak amps and handles gas engines up to 8 liters and diesel up to 6 liters. That covers full-size trucks, SUVs, and even some commercial vehicles.
The build quality is a step up from the GB40 with a more rugged housing and heavier-duty clamps. It still has the same UltraSafe technology, spark-proof connections, and USB power bank functionality. The trade-off is size and weight. It is bigger and heavier than the GB40, but if you are driving a truck, that is not exactly a deal breaker. Toss it behind the seat and forget about it until you need it.
Who it is for: Truck and SUV owners who need more starting power than a standard jump starter provides.
3. Hulkman Alpha85S — Best cold weather
Cold weather murders car batteries. If you live somewhere that gets below freezing regularly, you need a jump starter that is built for it. The Hulkman Alpha85S has Pre-Heat Technology that warms the internal battery before delivering current, which means it works in temperatures down to negative 40 degrees. Most jump starters just refuse to cooperate at those temperatures.
It delivers 2,000 peak amps and handles up to 8.5 liter gas and 6 liter diesel engines. The LCD screen shows real-time diagnostics including battery voltage, charge level, and error codes. The fast-charging USB-C port gets the unit fully charged in about 90 minutes. If you live in Colorado, Minnesota, Canada, or anywhere that gets seriously cold, this is the one to get.
Who it is for: Drivers in cold climates who need a jump starter that will not quit when temperatures drop below freezing.
4. GOOLOO GP2000 — Best budget
The GOOLOO GP2000 proves you do not have to spend $100+ to get a reliable jump starter. It delivers 2,000 peak amps, handles gas engines up to 8 liters and diesel up to 6 liters, and weighs barely over a pound. For the price, that power output is hard to beat.
It includes a 400-lumen LED flashlight with strobe and SOS modes, USB-A and USB-C ports for charging devices, and ten built-in safety protections. The cables and housing are not as premium as the NOCO models, and you are not getting fancy features like Pre-Heat technology. But if you just need something that will reliably start your car when the battery dies and you do not want to spend a lot, the GP2000 delivers.
Who it is for: Budget-conscious drivers who want solid jump-starting capability without paying premium prices.
5. S ZEVZO ET03 — Best with air compressor
A dead battery and a flat tire can happen on the same bad day. The S ZEVZO ET03 handles both. It packs 4,000 peak amps for jump starting engines up to 8 liters gas and 7 liters diesel, plus a built-in 160 PSI air compressor for inflating tires. It also has a force start function that can revive completely dead batteries when the unit is charged above 14V.
The LCD display shows battery status and tire pressure readings. Dual USB ports let you charge devices. The LED flashlight has standard, strobe, and SOS modes. It is bigger than a dedicated jump starter because of the compressor, but having both in one unit means one less thing to keep in your trunk. The 74Wh battery provides about 50 jump starts on a full charge, which is more than you will hopefully ever need.
Who it is for: Drivers who want an all-in-one emergency kit that handles both dead batteries and flat tires.
How to Choose
Start with your engine size. Check your owner’s manual for your engine displacement in liters. Your jump starter’s gas and diesel ratings need to match or exceed that number. If you drive a 4-cylinder sedan, 1,000 amps is plenty. V8 trucks need 2,000+ amps. Second, think about your climate. If you deal with harsh winters, spend the extra money on something with cold-weather performance like the Hulkman. Third, consider the extras. USB ports for charging phones are standard now, but features like built-in air compressors, LCD displays, and fast charging are worth considering if you want a more complete emergency kit. Finally, do not forget to charge it. Even the best jump starter is useless if the internal battery is dead. Most hold their charge for 3 to 6 months, but checking it quarterly is a good habit.
The Bottom Line
A portable jump starter is one of those things you buy hoping you never need it, but when you do, it pays for itself instantly. The NOCO GB40 is the gold standard for most drivers. If you have a bigger vehicle, step up to the GB70. Cold climate drivers should grab the Hulkman Alpha85S. The GOOLOO GP2000 is the best value if budget is tight. And the S ZEVZO ET03 covers both jump starting and tire inflation in one device. Any of these will save you from a stressful roadside situation.
Related: If you spend a lot of time in your car, check out our picks for the best dash cams of 2026 and the best car phone mounts of 2026.
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