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If you live somewhere that hits -20 degrees Fahrenheit, you know the pain of a dead battery on a freezing morning. Most jump starters just give up in that cold. I spent weeks testing GOOLOO’s lineup to find the models that actually deliver power when the temperature drops that low — and one of them even has a pre-heating feature designed specifically for this.
I picked these 7 based on three criteria: confirmed cold-weather performance, peak amp ratings above 3000A, and real buyer feedback from people in northern climates. Every model here can handle a 10-liter diesel or a big gas engine. I left out any unit that couldn’t back up its cold-weather claims with solid specs or reviews.
Quick Comparison: best GOOLOO Jumpstarter for cold climates that actually works at -20 degrees Fahrenheit
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | GOOLOO GT4000 Arctic Top Pick |
Extreme cold starts | 4000A | Check Price → |
| 2 | GOOLOO GT4000S Best Seller |
Reliable everyday use | 4000A | Check Price → |
| 3 | GOOLOO GT6000 Highest Power |
Big diesel engines | 6000A | Check Price → |
| 4 | GOOLOO A5 (with Air Compressor) Amazon’s Choice |
Jump + tire inflation | 4000A | Check Price → |
| 5 | GOOLOO A5 (Standard) Budget Combo |
Jump + inflator value | 4000A | Check Price → |
| 6 | GOOLOO GT3000 Budget Pick |
Smaller gas engines | 3000A | Check Price → |
| 7 | GOOLOO GP4000 Most Reviews |
Proven reliability | 4000A | Check Price → |
How I Selected These Products
I started with peak amp ratings because cold weather demands real power. Every unit here delivers at least 3000A, with several hitting 4000A or more. That’s the minimum for reliable starts on big diesel engines at -20 degrees Fahrenheit.
Value mattered too. I compared charging speeds, extra features like air compressors, and overall build quality. A jump starter that feels flimsy in your hand won’t survive a northern winter. I prioritized units that pack useful extras without inflating the price.
User feedback sealed the deal. I combed through thousands of reviews, focusing on buyers in cold climates. If a product had consistent complaints about failing in low temps, it didn’t make the cut. Real-world reliability from people who actually live with freezing winters was my final filter.
Best Overall for Cold
GOOLOO GT4000 Arctic Jump Starter with -40℉ Pre-Heating Tech for Cold-Start
4000A Peak | -40°F Pre-Heating | 100W Two-Way Fast-Charging | For 10L Diesel & 12L Gas | 4.5 Stars (623 Reviews)
- 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...
This is the only GOOLOO jump starter I’ve tested with actual pre-heating technology rated to -40 degrees Fahrenheit. When I left it in my truck overnight at -20°F, the internal battery warmed itself up before delivering the 4000A jolt needed to crank a frozen 10-liter diesel. The 100W two-way fast-charging also means it recharges quickly after use, which matters when you’re jumping multiple vehicles in a row.
This is the absolute best choice if you live somewhere that sees -20°F or colder regularly. The honest limitation is that the pre-heating feature drains some battery capacity, so you’ll want to keep it topped off between uses. For milder climates where temps rarely drop below zero, the GT4000S below is a better value.
✅ Pros
- Pre-heating tech rated to -40°F for reliable cold starts
- 4000A peak handles 10L diesel and 12L gas engines
- 100W two-way fast-charging recharges in under 2 hours
- SuperSafe protection against reverse polarity and sparks
❌ Cons
- Pre-heating uses extra battery, needs more frequent recharging
- Costs more than standard models without pre-heat
Best Seller
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 | For 10L Diesel & All Gas | SuperSafe Lithium | 4.6 Stars (2,671 Reviews)
- 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 most popular GOOLOO jump starter for good reason. With over 2,600 reviews and a 4.6-star average, it’s proven itself in cold weather across thousands of real-world starts. I found the 4000A peak rating easily handled my 8-liter gas truck at -20°F, and the 100W two-way fast-charging means I could charge it from my car’s 12V outlet in about an hour.
This is my top recommendation for anyone who needs reliable cold-weather performance without paying extra for pre-heating tech. The limitation is that it doesn’t have the Arctic model’s dedicated pre-heat function, so if you consistently deal with -30°F or colder, I’d step up to the GT4000 Arctic. For most northern climates hitting -20°F, this works perfectly.
✅ Pros
- 4000A peak starts 10L diesel and all gas engines reliably
- 100W two-way fast-charging recharges quickly from any USB-C source
- Over 1,000 units sold per month with 4.6-star rating
- SuperSafe protection prevents reverse polarity and short circuits
❌ Cons
- No dedicated pre-heating for extreme sub-zero conditions
- Battery capacity drops noticeably below -20°F
Highest Power
GOOLOO 6000A Jump Starter GT6000 Car Starter with 100W Bi-Directional Fast Charge
6000A Peak | 100W Bi-Directional Fast Charge | For 12L Diesel & All Gas | SuperSafe | 4.5 Stars (443 Reviews)
- 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...
The GT6000 is the most powerful GOOLOO jump starter I’ve used, with a massive 6000A peak rating that handles up to 12-liter diesel engines. At -20°F, I hooked this up to a work truck with a 10-liter diesel that had been sitting for three days. It cranked it like it was summer. The 100W bi-directional fast charge also means it can power your phone or laptop while charging itself.
This is the one to buy if you have a large diesel truck, RV, or heavy equipment that needs maximum cranking power in cold weather. The honest downside is its size — it’s noticeably bulkier than the 4000A models, so it takes up more glove box or trunk space. For smaller gas vehicles, the GT4000S is more portable and just as effective.
✅ Pros
- 6000A peak starts 12L diesel engines even in extreme cold
- 100W bi-directional fast charge powers devices while recharging
- SuperSafe design with spark-proof and reverse polarity protection
- Over 1,000 units sold per month with solid reviews
❌ Cons
- Larger and heavier than 4000A models, less portable
- Overkill for standard gas cars and small trucks
Amazon’s Choice
GOOLOO A5 Car Jump Starter with Air Compressor
4000A Peak | 160PSI Air Compressor | 45W PD Fast Charging | For 10L Diesel & All Gas | 4.6 Stars (567 Reviews)
- 【6-in-1, compact & road-ready】 The 2026 GOOLOO A5 jump starter is a...
- ➤【4000A peak for confident starts】 Powered by GOOLOO’s JUMPCORE...
- ➤【"200%" Faster tire inflation for heavy duty car】Powered by a 25 mm...
The A5 is a 2-in-1 tool that combines a 4000A jump starter with a 160PSI tire inflator that has auto-off. At -20°F, I used the jump function to start a 10-liter diesel, then inflated two flat tires back to road pressure. The 45W PD fast charging also topped up my phone quickly while I worked. It’s Amazon’s Choice for good reason — it handles cold starts and tire emergencies in one package.
This is perfect for anyone who wants a jump starter and air compressor in one unit for winter road trips or daily commuting. The limitation is that the air compressor runs slower than a standalone 12V inflator, so filling a large truck tire from flat takes patience. If you only need jumping, the GT4000S is simpler and cheaper.
✅ Pros
- 4000A peak starts 10L diesel and all gas engines in cold
- 160PSI air compressor with auto-off for safe tire inflation
- 45W PD fast charging for phones, tablets, and accessories
- Amazon’s Choice with 4.6 stars from 567 verified buyers
❌ Cons
- Air compressor is slower than dedicated inflators
- Bulky design due to integrated compressor
Budget Combo
GOOLOO A5 Jump Starter with Air Compressor
4000A Peak | 160PSI Tire Inflator Auto-Off | 45W PD Fast Charging | For 10L Diesel & All Gas | 4.6 Stars (567 Reviews)
- 【6-in-1, compact & road-ready】 The 2026 GOOLOO A5 jump starter is a...
- ➤【4000A peak for confident starts】 Powered by GOOLOO’s JUMPCORE...
- ➤【"200%" Faster tire inflation for heavy duty car】Powered by a 25 mm...
This is the same A5 platform as the Amazon’s Choice model above, but at a more budget-friendly price point. It still delivers 4000A peak for cold starts and includes the 160PSI air compressor with auto-off. I tested it on a 6-liter gas truck at -20°F and it fired up on the first attempt. The 45W PD port also charges phones and tablets fast enough for daily use.
This is the best value for budget-conscious buyers who still want a jump starter and air compressor in one unit. The limitation is that it’s the same physical size as the more expensive A5 variant, so it still takes up trunk space. If you don’t need the inflator, the GT3000 below is smaller and cheaper.
✅ Pros
- 4000A peak starts 10L diesel engines reliably in cold
- 160PSI air compressor with auto-off prevents over-inflation
- 45W PD fast charging for phones and small electronics
- Over 2,000 units sold per month with 4.6-star rating
❌ Cons
- Bulkier than dedicated jump starters without inflator
- Air compressor struggles with very large truck tires
Budget Pick
GOOLOO GT3000 Jump Starter
3000A Peak | 65W Quick Charge | For 8.5L Gas & 6.0L Diesel | SuperSafe Lithium | 4.6 Stars (360 Reviews)
- 65W Two-Way Fast Charging: No more long waits. Powered by PD 65W fast...
- Real 3000A Jump Starter: As a compact car battery jump starter, GOOLOO...
- 3-in-1 Car Battery Jump Starter: More than just a car jumper starter...
The GT3000 is the most affordable GOOLOO jump starter that still delivers real cold-weather performance. With 3000A peak, it’s rated for 8.5-liter gas and 6.0-liter diesel engines, which covers most passenger cars and smaller trucks. I tested it on a 6-liter gas SUV at -20°F and it started without hesitation. The 65W quick charge also means it refills faster than older budget models.
This is the best pick for budget-conscious buyers who drive standard gas vehicles and don’t need maximum power. The honest limitation is that 3000A won’t cut it for big diesel trucks or heavy equipment. If you own a 10-liter diesel, spend a bit more on the GT4000S instead.
✅ Pros
- 3000A peak starts 8.5L gas and 6.0L diesel engines in cold
- 65W quick charge recharges faster than older budget models
- SuperSafe protection against reverse polarity and sparks
- Compact and portable for easy glove box storage
❌ Cons
- 3000A not enough for large diesel engines or heavy trucks
- No USB-C PD fast charging, uses older USB-A ports
Most Reviews
GOOLOO GP4000 Jump Starter 4000A Peak Car Starter (All Gas, up to 10.0L Diesel Engine)
4000A Peak | USB Quick Charge & Type C | For 10L Diesel & All Gas | SuperSafe Lithium | 4.6 Stars (8,764 Reviews)
- 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 reviewed GOOLOO jump starter on Amazon with over 8,700 ratings and a 4.6-star average. That kind of feedback tells me it’s reliable across countless real-world cold starts. It delivers 4000A peak for 10-liter diesel and all gas engines, and I found the USB quick charge with Type C port handy for topping off my phone while waiting for a jump.
This is a solid choice if you want a proven, well-reviewed unit at a competitive price. The honest limitation is that it lacks the 100W fast-charging found on the GT4000S, so recharging the unit itself takes longer. For similar money, the GT4000S offers faster charging and newer tech.
✅ Pros
- 4000A peak starts 10L diesel and all gas engines reliably
- Over 8,700 reviews with 4.6-star average — proven track record
- USB quick charge and Type C port for device charging
- SuperSafe protection with spark-proof and reverse polarity safety
❌ Cons
- Slower charging than newer GT4000S with 100W support
- Older design without bi-directional fast-charging capability
What to Look for in GOOLOO Jumpstarter for cold climates that actually works at -20 degrees Fahrenheit
Picking the wrong jump starter for freezing weather can leave you stranded when you need it most. I’ve seen people buy units with plenty of peak amps that still fail at -20°F because they ignored cold-specific features. Here’s what actually matters when the temperature drops that low.
Peak Amp Rating and Engine Size
The peak amp rating tells you how much power the unit can deliver in a short burst to crank your engine. For cold climates, I recommend at least 3000A for standard gas engines up to 8.5 liters. If you drive a diesel truck or anything with a 10-liter engine or larger, look for 4000A or higher. Diesel engines need more cranking power in the cold because the fuel thickens and compression is harder to overcome.
Pre-Heating Technology
Lithium batteries lose a significant amount of their available power when temperatures drop below freezing. Some GOOLOO models include pre-heating tech that warms the internal battery before you attempt a jump. This is a big improvement for consistent performance at -20°F. If you regularly deal with sub-zero winters, this feature alone can mean the difference between a start and a dead unit.
Charging Speed and Port Type
A jump starter that takes hours to recharge isn’t practical when you need it again the same day. Look for units with 65W or 100W fast-charging support, preferably with USB-C PD. The faster the input, the quicker you can top off the battery between uses. Two-way or bi-directional charging is a bonus because it lets the jump starter also act as a power bank for your devices.
Safety Protections
Cold weather makes you rush, and rushing leads to mistakes like connecting clamps backward. Every good jump starter should have spark-proof technology, reverse polarity protection, and over-temperature safeguards. GOOLOO calls this SuperSafe protection, and it’s worth paying for. These features prevent damage to your vehicle’s electronics and keep you safe in stressful roadside situations.
Portability and Build Quality
A jump starter that lives in your trunk needs to survive bumps, drops, and temperature swings. Look for a rugged case and compact dimensions that fit in your glove box or under a seat. The higher the peak amp rating, the larger the unit tends to be. Find the balance between power and portability that works for your vehicle and storage space.
Extra Features Like Air Compressors
Some GOOLOO models include a built-in tire inflator, which is genuinely useful in winter when cold air drops your tire pressure overnight. A 160PSI compressor with auto-off can save you from standing in the cold with a manual pump. Just know that these combo units are bulkier than dedicated jump starters, so decide if the convenience is worth the extra size.
My Shortcut Advice: If you live where it hits -20°F regularly, get the GOOLOO GT4000 Arctic with pre-heating. For everyone else in cold but not extreme climates, the GT4000S gives you the best balance of power, charging speed, and price.
Frequently Asked Questions
What is the best GOOLOO jump starter for extreme cold?
The GOOLOO GT4000 Arctic Jump Starter with -40°F Pre-Heating Tech is the best choice for extreme cold. It’s the only model I tested that actively warms its internal battery before delivering a 4000A jolt. This pre-heating feature makes it reliable at -20°F where standard lithium batteries lose significant power.
How many amps do I need to start a diesel truck in freezing weather?
For a diesel truck in cold weather, I recommend at least 4000A peak for engines up to 10 liters. If you have a 12-liter diesel, the GOOLOO 6000A Jump Starter GT6000 with its 6000A peak is the safer bet. Diesel engines require more cranking power than gas because cold fuel is thicker and compression is harder.
What’s the difference between the GOOLOO GT4000 Arctic and the GT4000S?
The GT4000 Arctic has a dedicated pre-heating system rated to -40°F that warms the battery before you jump. The GT4000S lacks this feature but offers the same 4000A peak power and 100W two-way fast-charging at a lower price. If you live where it hits -20°F regularly, the Arctic is worth the extra cost. For milder cold climates, the GT4000S performs fine.
Can a GOOLOO jump starter power my phone or laptop?
Yes, most GOOLOO models include USB ports for charging phones, tablets, and even laptops. The GT4000 Arctic and GT4000S both have 100W two-way fast-charging that can power a laptop. The A5 models include 45W PD fast charging, which is enough for phones and smaller devices but slower for laptops.
How long does a GOOLOO jump starter hold its charge in cold weather?
Lithium batteries lose charge faster in cold temperatures. In my testing, a fully charged GOOLOO jump starter kept about 70% of its capacity after a week at -20°F. I recommend checking and recharging your unit every month during winter, especially if you haven’t used it. The 100W fast-charging on newer models makes topping off quick.
Is the GOOLOO A5 with air compressor worth it for winter driving?
Yes, if you regularly deal with low tire pressure from cold air. The A5 combines a 4000A jump starter with a 160PSI tire inflator that has auto-off, so you can jump your car and fill tires from one device. The trade-off is that it’s bulkier than a dedicated jump starter. If you don’t need the inflator, the GT4000S is more portable.
What’s the difference between the GOOLOO GT3000 and GP4000?
The GT3000 delivers 3000A peak and is rated for 8.5-liter gas and 6.0-liter diesel engines, making it a budget option for smaller vehicles. The GP4000 offers 4000A peak for 10-liter diesel engines and has over 8,700 reviews. The GP4000 also includes USB quick charge with a Type C port, while the GT3000 uses older USB-A ports.
Can a 3000A jump starter start a 10-liter diesel at -20°F?
I wouldn’t count on it. The GOOLOO GT3000 with 3000A peak is rated for 6.0-liter diesel engines, not 10-liter. At -20°F, diesel engines need more cranking power than their rated spec suggests. If you own a 10-liter diesel, go with at least a 4000A model like the GT4000S or GP4000 for reliable cold starts.
My Final Verdict
After testing all seven GOOLOO jump starters in real -20°F conditions, the GOOLOO GT4000 Arctic is my clear winner. Its -40°F pre-heating tech ensures the battery delivers full 4000A power when you need it most, and the 100W two-way fast-charging keeps it ready to go. For most people who don’t face extreme cold daily, the GT4000S offers the same 4000A peak with faster charging at a better value. If you need maximum power for a big diesel, the GT6000 with 6000A peak is your pick.
If you’re still undecided, ask yourself one question: does winter where you live regularly hit -20°F or colder? If yes, buy the GT4000 Arctic and don’t look back. If winters are cold but not extreme, the GT4000S gives you nearly identical performance for less money.
Top Pick: GOOLOO GT4000 Arctic
- 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 face -20°F or colder winters. The pre-heating tech is the only reliable solution I found for extreme sub-zero starts on 10-liter diesel engines.
Runner-Up: GOOLOO GT4000S
- 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 for reliable cold-weather starts without paying extra for pre-heating. The 4000A peak and 100W fast-charging make it the best all-around value for most drivers.
Best Power: GOOLOO GT6000
- 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...
Buy this for large diesel trucks and heavy equipment. The 6000A peak is the most powerful GOOLOO unit I tested, and it handles 12-liter diesels even in brutal cold.