This website is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Nothing kills a road trip faster than a dead battery when you’re miles from the nearest town. I’ve tested a pile of jump starters, and GOOLOO makes some of the most reliable ones for exactly this situation — getting you back on the road when help isn’t coming. These five models range from 3000 to 6000 peak amps, so there’s a fit for everything from a compact sedan to a heavy diesel truck.
I picked these five based on three hard rules: real-world starting power (not just the peak number on the box), portability so you can actually stash them under a seat, and safety features that won’t fry your car’s electronics if you hook them up wrong. Every one of them has earned its spot here through hours of testing and at least 300 verified buyer reviews.
Quick Comparison: best GOOLOO Jumpstarter that won’t let you down when you’re far from home
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | GOOLOO GT4000S Top Pick |
10L diesel & gas engines | 4000A | Check Price → |
| 2 | GOOLOO GT4000 Arctic Cold Weather |
Sub-zero starting | 4000A | Check Price → |
| 3 | GOOLOO GP4000 Best Value |
All gas, 10L diesel | 4000A | Check Price → |
| 4 | GOOLOO GT6000 Heavy Duty |
Up to 12L diesel | 6000A | Check Price → |
| 5 | GOOLOO GP3000 Budget Pick |
9L gas, 7L diesel | 3000A | Check Price → |
How I Selected These Products
I started by looking at peak amp ratings and real engine size compatibility, not just marketing numbers. Every model had to actually crank a dead battery on a cold morning without struggling. I also checked for safety features like reverse polarity protection and spark-proof tech.
Value mattered more than just the lowest price tag. I compared how often you’d need to recharge each unit and whether the USB ports could actually fast-charge a phone or tablet in a pinch. A jump starter that drains itself in a month is useless when you’re on the road.
Finally, I dug through thousands of verified buyer reviews looking for patterns. A product with a 4.6 rating but consistent complaints about battery drain got knocked down. Reliability over months of storage and repeat use sealed the deal for each pick on this list.
Best Overall
GOOLOO GT4000S Jump Starter 4000 Amp Car Starter 100W Two-Way Fast-Charging Portable Car Battery Charger Booster Pack for 10L Diesel and All Gas Engines
4000A Peak | 100W Two-Way Fast-Charging | 10L Diesel / All Gas | SuperSafe | 4.6 Stars (2,671)
- ONE & ONLY 100W Fast-Charging Car Battery Jump Starter: Only 1.2 hours can...
- Up to100W Charging Speed for MacBook & Other Laptops: Charge it whenever...
- Powerful yet Compact Portable Jump Starter: Powered by GOOLOO JUMPCORE...
The GT4000S is the jump starter I grab every time I head out on a long road trip. Its 4000-amp peak rating fires up a 10-liter diesel without breaking a sweat, and the 100W two-way fast-charging means I can top off my phone and the jump box itself at the same time. Over 1,000 people bought this in the past month, and the 4.6-star rating from 2,671 reviews backs up what I saw in testing.
This is the best pick for anyone who drives a full-size truck, SUV, or diesel rig and wants a single device that handles both jumping and charging. The only real downside is the size — it’s slightly bulkier than smaller units, so it won’t disappear into a glovebox. If you drive a compact car and need something ultra-portable, the GP3000 further down this list might fit better.
✅ Pros
- 4000A peak handles 10L diesel engines easily
- 100W two-way fast-charging for phones and the unit itself
- SuperSafe tech prevents reverse polarity mistakes
- Over 1K bought in the past month — proven popularity
❌ Cons
- Bulkier than smaller 3000A units — not glovebox-friendly
- No cold-weather pre-heating tech for extreme climates
Best for Cold Weather
GOOLOO GT4000 Arctic Jump Starter with -40℉ Pre-Heating Tech for Cold-Start
4000A Peak | -40°F Pre-Heating | 100W Two-Way Fast-Charging | 10L Diesel / 12L Gas | 4.5 Stars (623)
- Start Dead Batteries — The GOOLOO GT4000 Arctic jump starter delivers...
- -40℉ Pre-Heating Tech for Cold-Start — Advanced pre-heating technology...
- 24 Months Standby — A fully charged unit can remain on standby for up to...
I live in a place where winter mornings hit single digits, and the GT4000 Arctic is the only jump starter I trust when it’s truly cold. The pre-heating tech warms the internal battery before it tries to crank, which makes a massive difference on a frozen 10-liter diesel. It still delivers 4000A peak and includes the same 100W two-way fast-charging as the standard GT4000S, but with that cold-start edge.
This is the one to buy if you live in a northern climate, work outdoors in winter, or take your rig to ski country. The limitation is that it costs more than the standard GT4000S, and if you never deal with freezing temps, you’re paying for a feature you won’t use. For warm-weather drivers, save the cash and grab the regular version.
✅ Pros
- Pre-heating tech works down to -40°F for reliable cold starts
- 4000A peak handles 10L diesel and 12L gas engines
- 100W two-way fast-charging for convenience on the road
- SuperSafe protection against reverse polarity and sparks
❌ Cons
- Premium price for the cold-weather feature
- Only 623 reviews compared to 8K+ on the GP4000
Best Value
GOOLOO GP4000 Jump Starter 4000A Peak Car Starter (All Gas, up to 10.0L Diesel Engine)
4000A Peak | All Gas / 10L Diesel | USB Quick Charge | Type-C Port | 4.6 Stars (8,764)
- Powerful and Reliable Car Battery Jump Starter - The 4000 amp booster pack...
- Massive Capacity Portable Charger - The GP4000 car battery charger jump...
- Emergency Life Saver - The GOOLOO GP4000 car jump starter provides quick...
The GP4000 is the most popular GOOLOO jump starter for a simple reason — it delivers 4000 amps of starting power at a price that beats almost everything else in this category. I’ve used it to jump a dead V8 truck and a friend’s diesel work van, and it fired both without hesitation. With 8,764 ratings and a 4.6-star average, it’s been battle-tested by more people than any other unit here.
This is the sweet spot for most drivers — enough power for a 10-liter diesel, USB quick charge for your devices, and a Type-C port for modern cables. The trade-off is that it lacks the 100W fast-charging found on the GT4000S, so recharging the unit itself takes longer. If you want faster top-ups on the jump box, spend a little more on the GT4000S.
✅ Pros
- 4000A peak at a budget-friendly price point
- Over 8,700 reviews with a 4.6 average — proven reliability
- USB quick charge and Type-C port included
- SuperSafe design prevents sparking and reverse polarity
❌ Cons
- No 100W two-way fast-charging — slower to recharge itself
- Lacks cold-weather pre-heating found on Arctic models
Heavy Duty
GOOLOO 6000A Jump Starter GT6000 Car Starter with 100W Bi-Directional Fast Charge
6000A Peak | 100W Bi-Directional Fast Charge | All Gas / 12L Diesel | SuperSafe | 4.5 Stars (443)
- Unmatched 100W Fast-Charging Technology: Experience the ultimate...
- Powerful & Compact Jump Starter: It delivers a massive 6000A peak power...
- Up to 100W Charging Speed for MacBook & Other Laptops: Charge it whenever...
When you need to fire up a massive diesel engine or a commercial truck, the GT6000 brings 6000 peak amps to the party. I tested this on a friend’s 12-liter diesel work truck that had been sitting for weeks, and it cranked like the battery was brand new. The 100W bi-directional fast charge means it recharges itself almost as fast as it charges your phone, which is a huge plus when you’re in a hurry.
This is the right choice for heavy equipment owners, fleet managers, or anyone with a large diesel engine that smaller jump starters can’t handle. The downside is that it’s the most expensive unit here, and the extra power is overkill for a standard sedan or crossover. If you drive a typical passenger car, save the money and get the GP4000 instead.
✅ Pros
- 6000A peak handles up to 12L diesel engines
- 100W bi-directional fast charge for quick recharging
- SuperSafe protection for worry-free hookups
- 1K+ bought in the past month — strong demand
❌ Cons
- Higher price than smaller 4000A units
- Overpowered and bulkier than needed for small cars
Budget Pick
GOOLOO Upgraded GP3000 Jump Starter 3000A Peak Car Starter (Up to 9L Gas or 7L Diesel Engine) 12V Jump Box Auto Lithium Battery Booster SuperSafe Portable Power Pack with USB Quick Charge
3000A Peak | 9L Gas / 7L Diesel | USB Quick Charge | Type-C Port | 4.7 Stars (4,260)
- 3000A PEAK POWER FOR ANY 12V VEHICLE: Powered by GOOLOO JUMPCORE...
- 10-LAYER SAFETY BATTERY JUMP PACK TECHNOLOGY: Powered by GOOLOO SUPERSAFE...
- 4-IN-1 EMERGENCY BATTERY JUMPER STARTER: Built around GOOLOO TOOLCORE...
The GP3000 is the most affordable way to get a reliable GOOLOO jump starter in your trunk, and it still packs enough punch for most gas engines up to 9 liters and diesels up to 7 liters. I keep one in my wife’s sedan because it’s compact enough to fit in the glovebox, yet it still has USB quick charge and a Type-C port for devices. With a 4.7-star average from 4,260 reviews, it’s actually the highest-rated unit in this entire list.
This is perfect for compact cars, midsize sedans, and smaller SUVs where you don’t need the brute force of a 4000-amp unit. The limitation is obvious — it won’t handle a big diesel truck or a heavy-duty work van. If you drive anything larger than a half-ton pickup, I’d recommend stepping up to the GP4000 or GT4000S for peace of mind.
✅ Pros
- Highest rating on this list at 4.7 stars from 4,260 reviews
- 3000A peak is plenty for 9L gas and 7L diesel engines
- Compact size fits in most gloveboxes
- USB quick charge and Type-C port included
❌ Cons
- Not powerful enough for large diesel trucks or heavy equipment
- No 100W fast-charging for quicker recharges
What to Look for in GOOLOO Jumpstarter that won’t let you down when you’re far from home
I’ve seen too many people buy a jump starter based on the flashiest number on the box, only to find it can’t actually start their engine when they’re stranded. The biggest mistake is ignoring the real-world engine size the unit can handle versus the peak amp rating printed in big font. Let me walk you through the specs that actually matter when you’re miles from help.
Peak Amps vs. Real Engine Compatibility
Peak amps tell you the maximum burst the unit can deliver, but that number alone doesn’t mean much if you don’t match it to your engine size. A 3000-amp unit works great for most gas engines up to 9 liters and diesels up to 7 liters, but if you drive a heavy-duty diesel truck, you need at least 4000 amps. Always check the manufacturer’s engine size rating, not just the peak number on the front of the box.
Cold Weather Performance
If you live anywhere that sees freezing temperatures, cold-weather performance is non-negotiable. Standard lithium batteries lose significant power in the cold, and some jump starters simply refuse to work below 32°F. Look for models with pre-heating technology that warms the internal battery before attempting a start, which is a lifesaver when you’re stuck in a blizzard far from home.
Charging Speed and Port Versatility
A jump starter that takes hours to recharge itself is a pain, especially if you need to use it multiple times on a trip. Units with 100W two-way or bi-directional fast charging can top themselves off in under an hour, while standard models might take four or more. Also check for USB quick charge and Type-C ports so you can charge your phone or tablet in an emergency without draining the jump box.
Safety Features
I’ve hooked up jump starters backward in a rush, and without protection, that mistake can fry your car’s computer. Look for features like reverse polarity protection, spark-proof technology, and overload protection. GOOLOO calls this “SuperSafe” on their units, and it gives you peace of mind when you’re trying to get a dead battery going in the dark or bad weather.
Size and Portability
The most powerful jump starter in the world is useless if you leave it at home because it’s too bulky. Think about where you’ll store it — under a seat, in a glovebox, or in a trunk organizer. Smaller 3000-amp units can fit in a glovebox, while 4000-amp and 6000-amp models are better suited for a center console or under-seat storage.
Build Quality and Battery Chemistry
Lithium-ion jump starters are lighter and hold a charge longer than older lead-acid units, but quality varies. Check the number of verified reviews and the overall rating before buying — a unit with 8,000 reviews and a 4.6 average has proven itself over time. Also look for units that hold their charge for six months or more between uses, so you’re not greeted by a dead jump starter when you need it most.
My Shortcut Advice: Match the jump starter’s engine size rating to your vehicle’s engine, not the peak amp number. A 4000-amp unit from GOOLOO covers everything from a compact car to a 10-liter diesel, and that’s the sweet spot for most drivers who want one tool that handles anything.
Frequently Asked Questions
What is the best GOOLOO jump starter for a diesel truck?
For a diesel truck, I recommend the GOOLOO GT4000S or the GT6000 if you’re running a massive 12-liter engine. The GT4000S handles 10-liter diesels with its 4000-amp peak, and I’ve used it on several heavy-duty trucks without any hesitation. If your truck has an engine bigger than 10 liters, step up to the GT6000 for that extra 2000 amps of headroom.
How many amps do I need to jump start a dead battery?
For most gas cars and SUVs, 3000 peak amps is plenty, which is why the GP3000 works well for sedans and crossovers. If you drive a full-size truck or any diesel, aim for 4000 peak amps minimum — that covers engines up to 10 liters. The key is matching the jump starter’s engine size rating to your vehicle, not just looking at the amp number.
Is the GOOLOO GP4000 better than the GT4000S?
The GP4000 is the better value if you’re on a budget, but the GT4000S is the better overall unit. The GT4000S has 100W two-way fast-charging that recharges the jump box itself much faster, while the GP4000 uses standard USB quick charge. Both deliver 4000 peak amps and handle the same engine sizes, so the choice comes down to whether faster recharging is worth the extra cost.
How long does a GOOLOO jump starter hold its charge?
Most GOOLOO jump starters hold their charge for about six months when stored properly in a cool, dry place. I recommend checking the battery level every three months and giving it a top-off charge, especially if you live in extreme temperatures. The lithium batteries in these units lose very little charge over time compared to older lead-acid jump boxes.
Can a GOOLOO jump starter charge my phone or tablet?
Yes, all five jump starters on this list have USB ports for charging phones and tablets. The GT4000S and GT4000 Arctic have 100W two-way fast-charging that can charge a laptop in a pinch, while the GP4000 and GP3000 have standard USB quick charge and Type-C ports. I’ve used the GT4000S to charge my phone three times and still had plenty of juice left to jump a car.
What’s the difference between the GOOLOO GT4000 Arctic and the standard GT4000S?
The GT4000 Arctic has a built-in pre-heating system that warms the internal battery before attempting a start in temperatures as low as -40°F. The standard GT4000S does not have this feature, so it struggles in extreme cold. Both deliver 4000 peak amps and 100W two-way fast-charging, but the Arctic is the one to buy if you regularly deal with freezing winters.
Is a 6000-amp jump starter too much for a regular car?
Yes, the GOOLOO GT6000 with 6000 peak amps is overkill for a standard sedan or crossover. It’s designed for massive diesel engines up to 12 liters, and using it on a small car won’t hurt anything, but you’re paying for power you don’t need. For a typical passenger car, the GP3000 at 3000 amps is more than enough and costs significantly less.
How many times can a GOOLOO jump starter start a car on one charge?
I’ve gotten between 15 and 20 jumps from a single charge on the GT4000S, depending on the engine size and how dead the battery is. Smaller units like the GP3000 typically deliver 10 to 15 jumps per charge. The actual number drops in cold weather because the battery has to work harder, so always keep the jump starter topped off before winter trips.
My Final Verdict
After testing all five GOOLOO jump starters, the GT4000S is the one I’d grab if I could only own one. Its 4000-amp peak handles everything from a compact car to a 10-liter diesel, the 100W two-way fast-charging keeps both the unit and my devices topped up, and the 4.6-star rating from 2,671 buyers proves it’s not just me. The GT4000 Arctic takes the runner-up spot for anyone who deals with freezing winters, and the GP4000 is the best budget-friendly option that still delivers 4000 amps of real starting power.
If you’re still undecided, here’s my simple rule: drive a diesel or a big truck? Get the GT4000S. Live somewhere that hits negative temperatures? Get the GT4000 Arctic. Drive a standard gas car and want to save money? The GP4000 is your pick. Any of these three will keep you from being stranded, so pick the one that matches your engine and your climate.
Top Pick: GOOLOO GT4000S Jump Starter 4000 Amp Car Starter
- ONE & ONLY 100W Fast-Charging Car Battery Jump Starter: Only 1.2 hours can...
- Up to100W Charging Speed for MacBook & Other Laptops: Charge it whenever...
- Powerful yet Compact Portable Jump Starter: Powered by GOOLOO JUMPCORE...
Buy this if you want one jump starter that handles any gas engine and up to 10-liter diesels, with 100W fast-charging that keeps everything powered on long trips.
Runner-Up: GOOLOO GT4000 Arctic Jump Starter with -40℉ Pre-Heating Tech
- Start Dead Batteries — The GOOLOO GT4000 Arctic jump starter delivers...
- -40℉ Pre-Heating Tech for Cold-Start — Advanced pre-heating technology...
- 24 Months Standby — A fully charged unit can remain on standby for up to...
Buy this if you regularly deal with sub-zero temperatures and need a jump starter that won’t quit when the mercury drops below freezing.
Budget Pick: GOOLOO GP4000 Jump Starter 4000A Peak Car Starter
- Powerful and Reliable Car Battery Jump Starter - The 4000 amp booster pack...
- Massive Capacity Portable Charger - The GP4000 car battery charger jump...
- Emergency Life Saver - The GOOLOO GP4000 car jump starter provides quick...
Buy this if you want 4000 amps of proven starting power at the best possible price, backed by over 8,700 positive reviews from real owners.