GOOLOO GT4000S Jump Starter

Name: GOOLOO GT4000S Jump Starter
Brand: GOOLOO
SKU: A-GT4000-RD
Price: 129.99 USD
Availability: InStock
Rating: 4.9 (163 reviews)

~~$199.99~~ $129.99 SAVE $70.00

· 4000 peak cranking amps
· 99.2 Wh/ 26800 mAh* 3.7 V battery capacity
· For 12 V mowers, cars, motorcycles, RVs, ATVs, tractors, boats, etc;
· Start up to 12.0 L gas engine/ 10.0 L diesel engine
· 3.2" LCD screen to see all operational status at a glance
· PD100W max USB-C input/ output
· 2X USB output port & 1X 15 V DC output port
· From 0% battery to boost a car in 3 min only
· Built-in 400 lumen LED light in 3 modes

Order in the next [totalHours] hours %M minutes to get it between and

Description

GT4000S BATTERY JUMP STARTER BOOST A CAR

By design, GT4000S is water-resistant and dust-resistant as all ports sealed. By function, it can be used in an environment from -4°F to 140°F. High battery performance to keep you on the go.

If jump-starting a car under -40°F is important to you, please refer to the GT4000 that has the pre-heating tech.

START DEAD CAR

GT4000S car jump start pack can boost 12 V vehicles up to 12.0 L gasoline and 10.0 L diesel engines quickly and safely. Say goodbye to dead car.

WIDELY USED IN ALL YOUR 12V VEHICLES

All GOOLOO jump starters are designed with a wide compatibility range that can jump-start all your 12V vehicles easily and conveniently, from cars and motorcycles to RVs, ATVs, SUVs, tractors and boats. With 3-step easy steps, you'll be ready to start your engines in no time.

jump starter for car truck

3-MIN SUPER-FAST CHARGE TO BOOST A CAR

100W Speed Charging charges from 0% to 20% in 3 minutes and 100% in 1.2 hours with quick speed wall charger(need to buy separately).

100W Speed Charging charges from 0% to 100% in 45mins with quick speed car charger.

3.2" INFORMATIVE LED SCREEN GIVE ALL STATUS AT A GLANCE

3.2'' led screen shows you the battery level, specific operational status, and some error reminders. See all the information at a glance.

PORTABLE CHARGER TO MULTIPLE DEVICES

With 2 USB ports and 1 type-c port( 100 W Max input/ out), it can also work as a 26800 mAh portable power pack to charge all your devices, like your phone, iPad and even Macbook.

Press the POWER and BOOST button simultaneously for 2-3 s to turn on the low current mode for charging devices that need light charging current like headphones, smartwatches, etc.

Note:Based on internal testing: Performance will vary based on the charging devices and charging cables. To reach 100W, the charging device must support PD 100 Max input. Most phones, like Samsung and Huawei, have their proprietary protocol that may not be able to reach 100W when using GT4000S. For best results, please use the provided USB C - USB C cable.

400 LUMENS LED EMERGENCY LIGHT

400 lumen LED light to brighten your world. There are 3 modes of LED light (flashlight, Strobe, SOS) if you press lightly. Examine your car engine or deliver an SOS signal during emergencies.

8 SAFETY PROTECTION ENSURE YOUR SAFETY

Super-safe 8 Security Protection - including over-current protection, overload protection, over-voltage protection, and overcharge protection, making it safe for anyone to use.

BUILT-IN SMART PROTECTION

GT4000S has all the smart protection through GOOLOO built-in smart clip, just like other series of GOOLOO jump starters that equip with smart jumper cables for safety protection.

15 V 10 A DC OUTPUT POWER UP THE TOUGHEST BATTERIES

Connect the 12 V devices that need to be powered by a cigarette lighter socket(the cigarette lighter socket adapter is included). It can output 150 W Max.

30S GET RID OF THE FOLLOWING DILEMMAS

Not confined to the traditional way of fixing up a dear car battery again, having this battery jump starter on the go is the most advanced and effective way for you.

HOW TO JUMP START

GOOLOO car power pack starts a car in only three steps. You can simply clamp-on, connect to the car battery and start your car while your car battery is died from aging or weather. Jumping start a car can be so easy.

PORT FEATURES

Specs

Faqs

1. Does the GOOLOO Jump Starter only start vehicles?
The GOOLOO Jump Starter comes with a flashlight function and is not only a device that can start your car but also a portable charger that can quickly charge your mobile devices and laptops on the road.

2. How safe is the GOOLOO Jump Starter?
This unit includes 8 protection features, including over-current protection, overload protection, over-voltage protection, and overcharge protection, making it extremely safe to use.

3. What scenarios can I use the GOOLOO Jump Starter in?
This unit is perfect to jump start a dead car in ice and snow when the battery is undercharging, the car stalls while driving, or in emergencies, for medical rescue, or on road trips.

4. Is the GOOLOO Jump Starter difficult to use?
No. You can jump start your vehicle in three easy steps. You can simply clamp on, connect to the car battery and wait for a solid green light on the clamp, then start your car.

5. What battery does the GOOLOO Jump Starter use?
This unit uses a lightweight lithium polymer battery.

6. Can it jump-start a 6V battery?
No. GOOLOO jump starters can only jump-start 12V battery.
7 Can I use this jump starter on a gel battery？
Yes, as long as it is at 12 Volt.

8. What are the recommended operating and storage temperatures?
The GOOLOO Jump Starter includes a lithium polymer battery built for operating and storage temperatures of -20°C to 60°C (-4°F to 140°F). If the ambient temperature is above 60°C (140°F), the internal cell construction of the lithium polymer battery may be damaged, causing it to swell and become unsafe. Do not store the device in a vehicle parked in hot weather for long periods of time.

9. Why are the green and red light on the jumper cable blinking?
The jumper cable features a smart Over-Start Protection function. If you start the vehicle more than 4 times in 2 minutes, the jumper cable will turn on Over-Start Protection: The green and red light will start to blink and the battery clamps will have no output. When you disconnect the jumper cable plug from the jumper starter, the smart Over-Start Protection will reset.

10. How do I know if this unit is correctly connected to the vehicle?
The indicator on the jumper cable will show a steady green light when the battery clamps are correctly connected to the vehicle battery. If a steady red light comes on and the unit is beeping, the connection needs to be reversed.

11. Can this unit charge other devices while it is being charged?
Yes.

12. Can this unit charge other devices while starting a vehicle?
No.

13. How often should my unit be recharged?
We recommend to recharge the GOOLOO Jump Starter every 3 months.

Reviews

MARTIN H.

This is the second GooLoo GT4000S I ordered. It has proven to jump start a UTV of mine where other jump starters could not do so. I first saw this GooLoo review via a youtuber "Chickanic" who repairs lawnmowers, chainsaws, etc. and I have been impressed thus far.

Howard B P.

I got the GOOLOO GT4000S love it

Matthew Czerwinski

The Gooloo Jump Starter has worked amazing! It has jumped my battery immediately, and has saved my a lot of time and grief. I don't have to wait and be dependent on someone to call or ask a stranger for help. I would recommend this product to everyone who has a car.

David

Only used it a few times thus far. And those few times I was impressed, compact and lite, flash light isn't that bright. But bright enough to illumate working area. Great Item, super fast shipping.

Ron Barnes

As described and on time!

AMY PAQUIN

My car wouldn't start in the super cold winter days, but this brought it right to life! Easy to use, store, charge. The only thing is that you can't keep it in a hot or cold car.

GDOGNCBD

I like that its easy to use and comes with a durable case to protect from accidental damage.

Rachel

Nice and compact!

Jason S. Bolz

This is such a handy thing to have around. Takes up no space. Can start your car or truck, and then charge all your devices. Totally worth the money.

mrc

I use this to start my generator when the power goes out. I sometimes have to use it to start my riding lawn mower and yesterday, for the first time, used it to jump start my wife's car. It's very easy to use and very reliable.

Lauren M

Thankfully I haven't had to use to to jump start my car but have used it to recharge my phone in a power outage. Owning this has given me peace of mind that I have a way to jump start my car by myself with ease as well as recharging other electronics in an emergency.

john

Jump started my car on first try

Mike M.

I used the gooloo starter to jump a dead motorcycle battery and it worked like a charm. I haven't needed it for my cars yet, but I plan to always have it handy during road trips, especially when I'm traveling in my minivan camper. When you're out in the boondocks, far from a garage or even AAA, this product is great for peace of mind. You don't need another vehicle to jump your battery. And if you happen upon another traveler with battery problems, you can be a Good Samaritan and help them out. Sturdy construction, several jumps possible on one charge and since I have a power station, recharging via USB is a breeze.

James

I really like this piece of equipment and it really works and is a life saver when my son's car wouldn't start and he had to be to work!

Nicholas

Great for emergency situations. Would recommend to anyone and will buy another for my brother.

Dr Jay

Ordered and received 4 for wife, daughters, daughter in law. Work great, very easy to use. Better than expected.

William H.

Works great, could use a longer cable for alot of applications. Make it more clear it does not come with a wall charger....pain to have to re-order to get it

Mitch N.

Quality build at a great price. Clean compact carrying case covers with our prevents it ace accessories from just floating around in my car.

Pat G.

1 week after i Received it my 85 year old father needed a jump on his Cadillac First time used and really didn't think I would ever use it.I had him going in 3 minutes plus where it was parked you couldn't use jumper cables. I love it it works great!

Paula Stop

We bought it to have just in case and needed it a few days after it arrived. Really easy to use and we liked it more than a more expensive model we bought before. Liked it so much we got another one for a different car.

Emily

Does what it says on the box. Nice carry case too and quality connectors. Worked perfectly first time and every time thereafter.

Josh Phillips

I like this product I have one in my truck and one in my car.

lchrismo

If you have ever found your battery dead and needed someone to jump your battery, you should buy this battery starter and keep it in your car.

Cathy Walters

Charges quickly and holds a charge for a long time. Great flash light too.

zoo_3 cats_2 dogs

One of the best purchases we have made. Bought for our boat and have now used multiple times on our Titan Truck when there was a computer issue causing the battery to fail. Also used on a few friends cars. Still haven't needed on the boat but after seeing how great it works we almost bought a second one. The price is great and it out performed our expectations.

Aaron Wolf

?I use this mainly for jumping my vehicle when the battery dies. As you can tell from the video, it works like a charm. 0-100 real fast. Well, at least fires it up right away. No need to let it set on the battery. Just plug, start, unplug and go. A must have in your car. I've used it to help start other peoples vehicles in cold weather too.

Nazibul b.

Love the product how it's small and it works great , it's a life saver having one of these in your car.

A. RICE

This is a great product and very reliable. My family has used it several times.

Cdalesr

If your battery will not start your car than get this, It WORKS!!

Dennis Gee

Very compact & portable and comes with nice semi-hard carrying case. Easy to use , comes with built-in flashlight in case your caught in the dark. Great to use as a battery source for charging phone/tablet or whatever device. Enough cold cranking current for most vehicles. And less expensive than other battery jumpers.

Doherty Clan

Got our SUV started back up when we found the battery died. Was able to get my kid to work. Update...issue with battery so this has kept my SUV going just about every day. No complaints! This has been been a job saver!

Steve wishart

This unit look like it had a lot of promise. I had it charged up sitting in my truck a couple of weeks. Went to take it with us off-roading for an emergency and the thing was completely dead, zero. Charged her up going to keep an eye on it but not good for emergency

Ava

?Bought to start lawn mower as battery was not charged every so often. I've started it six times now still 100% charge. Very good voltage upon start. Like if I had a brand new battery. Don't I'll ever use the light but it's bright enough to see what you are doing if you were to get stuck at night. All in all, I believe this is a good buy.

Lisa

It works perfectly

Jeremy P.

It is very compact. But packs a large punch. Was able to jump start my Silverado 6.0, with a bad battery, a couple times on one charge. Packs nicely in the provided case.

J. Thompson

We bought one a few months ago just in case. Since the initial purchase we used it 3 times. Impressive to the point that we ordered another for every vehicle in the fleet. Simple, Lights to indicate proper connects and display with charge status. It simply works and better than expected.

bret

I initially wrote a poor review but need to edit because the company made things right. My first unit would not hold a charge.

Kindle Customer

Gives me the confidence to travel alone.

Michael Pinkiston

Nice product to have on hand

johnwu

Product works great, it jump up car. Product came in carrying case to keep everything together. Easy to use, power on the product then start the car agian.

Krista Campbell

I bought this for our family car. My husband loves it. It is easy to use and small enough that I can carry it in my big purse.

AMG

I used this to jump my moms car and it worked great! I also like having a large portable power bank for my electronic devices while on the road. Get you one for peace of mind.

Angela C

Worked perfectly and was easy to use

Amit

already had to use it and it saved me and didn't need to ask anyone for a jump. works great and very easy to use

Jaki

My husband is in the military and gets called every weekend to go help someone with a dead battery. He uses this multiple times before it needs to be recharged.

This product works perfectly for what I needed. I bought this for my motorcycle when going on long rides. The compact size allows it to fit easily into the saddlebag, it's more than enough to jump start a motorcycle battery and I like that it will stay charged even if I don't need it for a couple of years. Great product!

daunte marshall

This gooloo portable car jump starter is awesome. Was at 70% out of the box, so charged it up to 100%. Went camping and had to use multiple times to jumpstart watercraft. Super simple just hook cables, turn on and start machine. I also like that it is super portable. Kept in jetski compartment for day with no issues. Have used the jump starter 5 times and still have over 75% power. This is great buy.

BZ MAC

High quality product.

Michael J. Hopkins

It easily starts a Ford Escape.

Paul

The starter was delivered on time as promised. I used it for the first time to start my friends BMW. He said no way it would start his engine. " not enough cranking amp". I hooked it up and the car started immediately. He was so impressed, the wrote down the model number and said he going to buy one for himself. I highly recommend this product.

Olivia

This portable pack is a great alternative with its portability.

Tom Lepa

I got this mainly as a portable 12V and USB power supply and it does that well. With the supplied car lighter socket adapter I can even use my 12v to 120V inverter. However I keep this unit in my car, just in case. Very happy with the build quality & storage case.

THOM CARMO

I wasn't sure what to expect but I am extremely delighted with how well this portable jumpstarter works. I have an older car, ??99 Mustang, that sometimes drains the battery at inconvenient times. Having this charged in the car at all times takes the worries away. It works like a gem and holds a charge for a long time between uses. Highly recommend this!

Winibel

It's the best Jump Started wow ??

samuel martirossians

I love it it does but it's supposed to

Brady

Easy to use nice and compact

Andrea Bruno

Absolutely love this product!! It's saved me twice, getting home, then to store for new battery. It's so nice to be a tad prepared! This is a must have for your trunk!! Getting my daughter one as well!! Better prepared and safe, it's not as easy counting on goodwill anymore! Not sure about other brands but I've borrowed this one before, it was a good price! Very easy to follow instructions!!

James Witt

It's pretty good and compact

Jesse

This car jump starter works great. I had two similar products before, but this one is the most portable and most powerful for its size. Satisfied customer.

Laura M.

I purchased it for my son before he headed out on a road trip! It came in very handy and still continues to be! He rated it a 10/10. Now I need to order one for myself!

gil walker

I appears to be a quality item and constructed well. The only thing that I have not tried is to jump start my vehicle (hopefully I never will) but charged as it should and the light and other charging ports worked as they should.

Steve O

Powerful pack and works great for all vehicles! Worth the money.

Susan Mestrez

Works very well. Great purchase for the cost.

vinoth

Like this product, its very useful and good

KT in Texas

I purchased two of these for my children to place in their vehicles. I have a little piece of mind knowing they don't need the assistance of a stranger to start their vehicles.

Deborah

This product is very easy to use and very convenient!

Abuelo

Easy to use, long battery life, compact unit

Wilfred So

So far so good! Easy case to pack everything up, instructions are very easy to follow with lots of safety protocols incase anything happens. Just got to make sure that it's charged and just leave it and forget it!

Indira Seonarain

It works wonderful for a car.

Emma

I purchased this for my husbands 7.3 gas ford engine and it works like a charm.

Jaron C.

Came as expected and came very quick. No complaints!

Michael A. Dangelo

This is a must have in your car. Dead car battery? No problem with this jumper! What's great is you can also charge other devices such as laptops and phones. Highly recommend this product.

Bobken

Great charger and good for jump starting a car. Also great for charging phones. Be warned it's heavier than it looks like if you are carrying it in a backpack.

vinny

I love the long clamps makes it easy.Can charge a battery very fast

someguynamedlou

This is a solid product. It is small, lightweight, comes with a great carrying case, has instructions, and requires wires and connectors. It also has USB ports, and a flashlight. It can charge from your car's auxiliary USB port and it seems to hold its charge for a while (2 months now).

D Mitch

Great portable jump starter I got one for the car and my motorcycle and neither has failed me yet!

Erickv10

Easy to use. Jump started my car with ease.

Tyler

Works good only issue is you have to make sure you attach it and start your car as fast as possible or it won't work. Like I connect the negative and have to run to start before it ?��shuts off?�� but other than that it works fine!

Sophia

Perfect. Works great.

RPel

Charge lasts for a few months. Jumped 3 cars without having to recharge. Highly recommend this product. I've already purchased 2. Love it!

Brother Numcee

Love, love, love this device! It charged up pretty fast and I used it twice to jump start my car yesterday. It's still at 100%! How is this possible? Anyway, it's super easy to use and very portable. I just ordered a second one for my other car.

Marc

Works extremely well. Excellent for jump starting as well as small auxiliary power unit

Aiden

I bought four of this that about sums it out is super easy to use fits in your glove compartment and it will start your truck, car, tractor and even heavy equipment without any problems love this product!!!

Anthony C.

love how portable it is and easy to store. I wanted to use it before I rated it.

Daniel

Highly recommend this jump starter. It has performed flawlessly and is easy to use.

Cynthia McGhee

After being stranded on a Sunday with a dead battery and needing to check out of a vacation rental, I received the recommendation to purchase a portable jump starter. I chose the GOOLOO Jump Starter and absolutely love it. It is small and portable and was very easy to set up and use. My very next trip I had a blown fuse for the car charger and my phone was dying.

Felicia Trout

Easy to use and compact great for taking with you on the go.

SPUDS

My neighbor purchased this and I borrowed it one time, just one time then went in and ordered this. So easy to use and convenient. My riding lawn mower battery goes out all of the time even after replacing it. The shop can't figure out what's draining it. This thing solved that problem and takes 30 seconds to get the mower going. Love it!

sendy Matthews

I love the flash light and the USB PORT To charge my phone. Easy to use.

Cayla Arce

Thank you

Rand M

I bring the jumper box with me all the time. I used it on my work van just this morning.. It's simple to use and the portability is amazing. Great price point for a Great product

Ben Scheer

Great product!

Aleksandra

Feels like it's well built. Easy to see display. Portable and easy to carry. Two usb ports and the flashlight comes in handy. Even if you never use it as a jump starter, it's handy for camping or outdoors in general.

Alexander lopez

Easy to use and store in my e-scooters bag. Great for emergency and a phone charger

Bravedasher

In deciding which one of these to order, we read the reviews, the features, the ease of use, etc. and decided this one was best for us. The price was good and the product arrived on time. We haven't had to use it yet, but it was purchased for security in traveling.

Alexander

Shipped fast and is very compact!

MizzPittman

The car jump starter is so convenient and easy to use. I have gotten everyone in my family to buy one, just in case. Not having to look for someone to jump you off and worry about harming someone else's vehicle is awesome.

Brandon

The convenience of how small this is is nice, and easily take it with you when traveling in whatever car you decide to take somewhere! Functional and ease of use is a nice factor also!

Candice Moreland

Very useful item in vehicle in case of emergency! Smaller than expected which means it takes up less space!

RICHARD LIRA

Me agrada inmensamente es f��cil de usar sus accesorios son muy funcionales lo utilice para arrancar mi carro e inmediatamente lo prendi��? a parte se puede utilizar para cargar celulares y como linterna.excelente compra realizada por mi