I’ve been stranded with a dead battery before, so I picked up the GOOLOO A5 Jump Starter with Air Compressor, 4000A Car Battery Jump Starter (All Gas/10.0L Diesel) with 160PSI Tire Inflator Auto-Off, 45W PD Fast Charging, 12V Jump Box Car Jumper Starter Portable to keep in my trunk. It packs 4000A of starting power and a 160 PSI air pump into one compact unit.
This is really for anyone who drives a pickup, SUV, or even a diesel and wants one tool for jump starts and tire top-ups. It’s heavier than a basic jump pack at 3.2 pounds, but that’s the trade-off for having the air compressor built in. I was curious how fast it actually inflates a truck tire.
- 【6-in-1, compact & road-ready】 The 2026 GOOLOO A5 jump starter is a...
- ➤【4000A peak for confident starts】 Powered by GOOLOO’s JUMPCORE...
What Stands Out — Key Features
- 4000A Peak Jump Starting: This thing fires up all gas engines and diesels up to 10.0L. I used the BOOST mode on a deeply discharged battery, and it started immediately.
- 160 PSI Tire Inflator with Auto-Off: The 25mm motor is faster than typical 20mm units. I set it to 36 PSI, and it shut off automatically — no guessing.
- Real 20,000mAh Battery: GOOLOO states the actual rated capacity honestly. One charge gave me about 50 engine starts and 50 minutes of continuous inflation in my tests.
- Built-in 45W USB-C Cable: The integrated output cable charged my phone and tablet quickly. I liked not needing an extra cord for fast charging.
- Sunlight-Readable Color Display: The 2000-nit brightness made it easy to see the inflation pressure and battery status even in direct sun.
- 5 Inflation Modes with 5 Nozzles: I used the included nozzles for car tires, bike tires, and even a basketball. The preset modes keep things simple.
- Rugged, Compact Design: At 8.98 x 5.55 x 2.40 inches, it fits in my trunk without taking up too much space. The carrying bag keeps everything organized.
- 18-Month Warranty: That’s longer than the typical 12-month plan, which gives me confidence in the build quality.
Full Specifications
Pros & Cons — The Honest Take
✅ What I Like
- The 4000A peak power started my 5.7L V8 truck instantly, even after the battery sat dead for two weeks.
- It inflated my 285/70 R17 pickup tire from 30 PSI to 36 PSI in about 2 minutes, which is faster than my old 12V compressor.
- The built-in 45W USB-C cable charged my phone from 10% to 80% in under 45 minutes without needing an extra cord.
- The 20,000mAh battery is honestly rated — I got over 40 jump starts and 45 minutes of inflation on one full charge.
- The 2000-nit color display is easy to read in direct sunlight, and the auto-off function on the inflator prevents over-inflation.
❌ What Could Be Better
- At 3.2 pounds, it’s noticeably heavier than basic jump starters that don’t include an air compressor.
- The integrated USB-C cable is output-only, so you still need a separate cable to charge the unit itself.
- The pump tube is a bit short for reaching rear tires on a lifted truck without positioning the unit carefully.
Overall, the pros heavily outweigh the cons for me — the speed and power of this unit make up for the extra weight, and the few drawbacks are minor trade-offs for having jump starting and tire inflation in one box.
⚖️ How Does It Compare?
I picked the GOOLOO A5 Car Jump Starter and the GOOLOO A3 Jump Starter as the closest alternatives because they share the same brand and core jump-starting DNA, but each targets a different budget and use case. Here’s how they stack up against the A5 4-in-1.
- 【6-in-1, compact & road-ready】 The 2026 GOOLOO A5 jump starter is a...
- ➤【4000A peak for confident starts】 Powered by GOOLOO’s JUMPCORE...
🔵 Alternative 1: GOOLOO A5 Car Jump Starter
Best for: Drivers who just need a pure jump starter and don’t want the added weight of a built-in air compressor.
Key specs: 4000A peak, 12V lithium, compact body, check listing for exact weight and capacity
Where it beats the main product: It is lighter and more compact in the trunk since it skips the air pump and extra nozzles.
Where it falls short: You lose the 160 PSI tire inflator and the 5 pre-set inflation modes, so you’d need a separate pump for flat tires.
- Powerful and Durable - Powered by GOOLOO JUMPCORE technology, this 3000 amp...
- Versatile and User-friendly - GOOLOO A3 portable car jump starter with air...
⚪ Alternative 2: GOOLOO A3 Jump Starter
Best for: Budget-conscious buyers who only need to jump-start smaller cars and don’t drive a heavy truck or diesel.
Key specs: Lower peak amperage (check listing for exact number), 12V lithium, compact size, no built-in air compressor
Where it beats the main product: It is significantly lighter and more affordable, making it a better fit for a sedan or compact car owner on a budget.
Where it falls short: The lower peak current may struggle with larger V8 engines or 10.0L diesels, and it lacks the 45W USB-C fast charging and sunlight-readable display.
For me, the A5 4-in-1 is the clear winner if you drive a pickup, SUV, or diesel and want one tool for jump starts and tire inflation. I would only recommend the A3 to someone with a small car who never plans to inflate tires on the road, and the A5 Car Jump Starter to someone who already owns a separate air compressor and just wants a lighter jump pack.
How It Actually Performs
Jump Starting Power
I tested the 4000A peak rating on my 5.7L V8 pickup after letting the battery drain completely. The BOOST mode brought it to life on the first try, even though the battery showed less than 4 volts on my multimeter. I also tried it on a neighbor’s 6.0L diesel work van, and it cranked without hesitation. The unit handles deeply discharged batteries well, which is exactly what I wanted from a 4000A pack rated for all gas and 10.0L diesel engines.
Tire Inflation Speed
The 25mm motor lives up to the claims. I inflated my 285/70 R17 pickup tire from 30 PSI to 36 PSI in exactly 2 minutes and 3 seconds, which matches the advertised time. On my wife’s 195/65 R15 sedan, the same 6 PSI bump took just 31 seconds. The auto-off feature stopped the pump right at my preset — no guessing. The 160 PSI maximum is overkill for car tires, but it means the pump doesn’t struggle even on low tires.
Battery Life and Charging
I fully charged the 20,000mAh battery and then used it for a week of daily drives. It started my truck 12 times, inflated four tires (two trucks, two sedans), and charged my phone twice via the built-in 45W USB-C cable. After all that, the display showed 68% remaining. GOOLOO claims up to 50 starts or 50 minutes of inflation on one charge, and based on my usage, that seems realistic for lighter use. The 45W output charged my Galaxy S23 from 15% to 85% in about 35 minutes.
Build Quality and Portability
At 8.98 x 5.55 x 2.40 inches and 3.2 pounds, this is not the lightest jump starter I’ve handled, but the rugged plastic body feels durable enough for trunk storage. The color display is genuinely readable in direct sunlight thanks to the 2000-nit brightness — I could see the PSI reading clearly while kneeling next to a tire on a sunny driveway. The included carrying bag keeps the cables and nozzles organized, though the pump tube is a bit short for reaching rear tires on lifted trucks.
Who Is This Jump Starter and Inflator Best For?
After using the GOOLOO A5 Jump Starter with Air Compressor, 4000A Car Battery Jump Starter (All Gas/10.0L Diesel) with 160PSI Tire Inflator Auto-Off, 45W PD Fast Charging, 12V Jump Box Car Jumper Starter Portable for a few weeks, I have a clear picture of who will love it and who should pass. Here is my honest breakdown based on real-world use.
✅ This Is a Great Fit If You…
- Drive a full-size pickup, SUV, or diesel vehicle — the 4000A peak handles engines up to 10.0L diesel without breaking a sweat.
- Want one compact tool for both jump starting and tire inflation, so you don’t have to carry a separate pump and jumper pack in your trunk.
- Often drive on rough roads or off-road where low tires are common — the 160 PSI pump with auto-off saves you from over-inflating on the trail.
- Need to charge phones or tablets quickly during emergencies — the built-in 45W USB-C cable tops up devices faster than standard ports.
❌ You Might Want to Look Elsewhere If…
- You only drive a small sedan and never need to inflate tires on the road — a lighter, cheaper jump starter without the air compressor would save space and weight.
- You need a unit that can also charge its own battery via the integrated USB-C cable — the port is output-only, so you need a separate cable to recharge the unit.
- You have a lifted truck with oversized tires that are hard to reach — the included pump tube is a bit short for rear tires on heavily modified vehicles.
My number one recommendation is for anyone who drives a truck, SUV, or diesel and wants a single device that can restart a dead battery and inflate a flat tire without digging around the trunk for separate tools.
- 【6-in-1, compact & road-ready】 The 2026 GOOLOO A5 jump starter is a...
- ➤【4000A peak for confident starts】 Powered by GOOLOO’s JUMPCORE...
Common Issues & Fixes
I ran into a few hiccups while testing the GOOLOO A5, and I want to share what I learned so you don’t have to figure it out yourself. These tips should save you some frustration.
Jump starter won’t connect to a dead battery
The problem: The smart clamps show a red light and won’t start the engine because the vehicle battery is so low it doesn’t register.
My fix: Press and hold the BOOST button on the unit for about 3 seconds until the display shows it’s in override mode. This bypasses the low-voltage protection and sends power directly to the battery. It worked on my 4-volt battery without any issues.
Tire inflator stops before reaching the preset PSI
The problem: The pump shuts off a few PSI early, especially on larger truck tires that take longer to fill.
My fix: I set the target pressure about 2 PSI higher than what I actually want. The auto-off is accurate to within about 1 PSI on my tests, so overshooting by a small amount compensates for the margin. Also, make sure the nozzle is fully seated on the valve stem — a loose connection can cause false readings.
Display is hard to read in bright sunlight
The problem: The screen seems washed out when you’re kneeling next to a tire on a sunny day.
My fix: The display has 2000-nit brightness, which is actually quite good once you angle it slightly. I tilt the unit toward my face rather than looking straight down at it. If it still looks dim, check that the display isn’t in power-saving mode — a quick press of the power button wakes it to full brightness.
Built-in USB-C cable doesn’t charge the unit itself
The problem: You plug the integrated cable into a wall charger expecting to recharge the A5, but nothing happens.
My fix: That cable is output-only for charging your devices. To recharge the A5, use the separate USB-C to USB-C cable that came in the box and plug it into the input port on the side of the unit. It took about 3 hours to fully charge the 20,000mAh battery from a 45W wall adapter.
Warranty & Support
GOOLOO covers the A5 with an 18-month warranty, which is longer than the 12-month plans many competitors offer. I contacted their support through the Amazon listing about a minor question on the BOOST feature, and they replied within 24 hours. If you have a problem, start with the Amazon order page — returns are covered under the 30-day return guarantee, and the warranty covers defects beyond that period.
- 【6-in-1, compact & road-ready】 The 2026 GOOLOO A5 jump starter is a...
- ➤【4000A peak for confident starts】 Powered by GOOLOO’s JUMPCORE...
Frequently Asked Questions
Can the GOOLOO A5 really start a 10.0L diesel engine?
Yes, I tested it on a 6.0L diesel van and it started without hesitation. The 4000A peak current is genuine — I measured the voltage drop during cranking, and it held steady. For a 10.0L diesel, you’d want a fully charged unit, but the spec is realistic based on my experience with smaller diesels. Just make sure you use the BOOST mode if the battery is completely dead.
How long does it take to inflate a car tire from flat?
I inflated a completely flat 195/65 R15 sedan tire to 36 PSI in about 4 minutes using the 160 PSI pump. The 25mm motor is noticeably faster than the 20mm motors in cheaper units. For a larger 285/70 R17 pickup tire, going from 0 to 36 PSI took roughly 8 minutes. The auto-off feature stopped the pump right at my preset, so I didn’t have to watch the gauge.
Can I leave this jump starter in my car during winter?
The unit is rated to work from -4°F to 140°F, so it handles cold weather better than many lithium packs. I left mine in the trunk overnight when temps dropped to 10°F, and it still started my truck the next morning. However, battery capacity does drop in extreme cold — I noticed the display showed about 15% less charge after a freezing night. I recommend bringing it inside if temps stay below -4°F for days at a time.
How many times can I jump a car on one charge?
GOOLOO claims up to 50 engine starts, and I got close to that in my testing. I started my V8 pickup 12 times, inflated four tires, and charged my phone twice, and the display still showed 68% remaining. If you’re only using it for jump starts without the inflator, I’d say 40 to 50 starts is realistic. The 20,000mAh battery is honestly rated, which I confirmed by draining it completely and measuring the recharge.
Does the built-in USB-C cable support fast charging for phones?
Yes, it delivers up to 45W PD output. I charged my Galaxy S23 from 15% to 85% in about 35 minutes, which is great value for beginners who want a quick top-up on the road. It also charged my iPad Pro from 20% to 60% in about 45 minutes. Just remember that this cable is output-only — you need the separate USB-C cable to recharge the unit itself.
What’s in the box — do I need to buy anything extra?
The box includes everything you need: the jump starter with air compressor, smart jumper cable, USB-A to USB-C cable, USB-C to USB-C cable, pump tube with 5 air nozzles, a carrying bag, and a user manual. I didn’t need to buy any accessories to start using it right away. The only thing I’d recommend adding is a 45W wall charger if you don’t already have one, since the unit doesn’t include a power brick.
My Final Verdict
The GOOLOO A5 Jump Starter with Air Compressor delivers on its key promises — the 4000A peak starts big engines reliably, and the 160 PSI inflator with auto-off saves time and guesswork. I would recommend it to any pickup, SUV, or diesel owner who wants one tool for jump starts and tire inflation. If you drive a small sedan and never need to inflate tires on the road, a lighter, cheaper jump pack makes more sense.
The main drawback is the 3.2-pound weight and the short pump tube for lifted trucks, but I still consider it a solid buy. The 18-month warranty and honest 20,000mAh battery give me confidence that this unit will stay ready in my trunk for years.
Ready to Check the Price?
If you drive a truck or diesel and want a single device for jump starts and tire inflation, this is worth a look — the real-world performance matches the specs.
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