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GOOLOO GP80 800A Peak SuperSafe Car Jump Starter EXPIRED

$30
$49.99
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GOOLOO via Amazon has GOOLOO GP80 800A Peak SuperSafe Car Jump Starter for $29.99 when you follow the instructions below. Shipping is free.

Thanks to community member EfficientOctopus822 for finding this deal.
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Deal instructions:
  1. Go to GOOLOO GP80 800A Peak SuperSafe Car Jump Starter product page
  2. Clip the 20% extra savings coupon
  3. Add to cart
  4. At checkout apply promo code JARYMLZN
  5. Final price will be $29.99, shipping is free
Available:
Includes:
  • GOOLOO Jump Starter GP80
  • Smart Jumper Cable
  • Quick Charge Micro USB Cable
  • Kit Bag
Features:
  • The GOOLOO GP80 battery jump starter can restarts your vehicle ( lawn tractor, motorcycle, RV, tractor, light-duty trucks, cargo vans, ATVs, snowmobiles, oil boat, etc) up to 4.5L gas engine with 800A peak current.
  • Designed with 2 USB outputs (5V 2.4A/9V 2A), the quick charge 3.0 USB port can full charge your cellphones, tablets, and other mobile devices at the fastest speed possible
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Original Post

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Edited March 4, 2021 at 04:29 PM by
Black/Red Color - https://www.amazon.com/dp/B08H7P9P8D/ OOS
Pink/White Color - https://www.amazon.com/GOOLOO-Sup...B08H4SM5JV

Good price. Bought this popular item with discount code: JARYMLZN
Do not forget to select additional 20% coupon tick box ($10 + $10 Off)

$49.99 - $10 (20% Coupon tick box) - $10 (20% coupon code) = $29.99

About this item

SLIM and POWERFUL: The GOOLOO GP80 battery jump starter can restarts your vehicle ( lawn tractor, motorcycle, RV, tractor, light-duty trucks, cargo vans, ATVs, snowmobiles, oil boat, etc) up to 4.5L gas engine with 800A peak current. Unique red and black appearance, compact size, very convenient to take it along.
PORTABLE USB CHARGER: Designed with 2 USB outputs (5V 2.4A/9V 2A), the quick charge 3.0 USB port can full charge your cellphones, tablets, and other mobile devices at the fastest speed possible.
SUPER-BRIGHT EMERGENCY LED WORK LIGHT: The GOOLOO Car Jump Starter comes with a built-in LED flashlight(3 modes: high, strobe and SOS). Long press the power button to activate the strong mode, press again to switch to warning strobe, and press a third time to turn on the SOS flashing. It's an emergency life saver when you go camping, travel, picnic, outdoor adventure.
SECURITY ASSURANCE: It's equiped with smart jumper clamp, which can protect your devices from over current, short circuit, overload, over-voltage and over-charge.
WHAT YOU GET: GOOLOO Jump Starter GP80, Smart Jumper Cable, Quick Charge Micro USB Cable, Kit Bag, User Manual. Please do not repeatedly start the large engine size car in short time.

https://www.amazon.com/dp/B08H7P9P8D/
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Deal
Score
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$30
$49.99
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Joined Feb 2006
Jedi Engineer
2,533 Posts
388 Reputation
#61
Quote from ten80 :
The 800A Gooloo I picked up 2 years ago is rated at 18000mAH, but this 800A is only rated at 10000mAH. Something is or was not right...

The older one was also advertised to start a 7.0L gas, or 5.5L diesel engine, while this one is only advertised to start a 4.5L gas, and no mention of diesel.
It's actually pretty easy to explain. Over the years one of the areas Lithium technology batteries have improved is reduced internal impedance / increased peak currents. So for the same number of cells / capacity, you can draw larger amounts of current for short periods of time. This offers great improvement for a given number of cells / cell capacity / cell volume for applications like starters where the capacity is nearly irrelevant, but the internal impedance of the battery almost exclusively rules.
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#62
Quote from BoyWonder :
SD has been featuring a lot of jump starters recently and through that been reading that it's not a good idea to leave this in your car as it kills the battery. Isn't the point of this so you'd have it with you at all times? Any tips or feedback?
any battery of any chemistry is going to suffer in temperature extremes. For instance, a car battery in AZ will last about 2 years, maybe 3. This is almost entirely due to heat. Lithium chemistries will suffer similarly. There just isn't any way around it.

Avoid direct sunlight, keep the car in the garage, trunk will be cooler than car interior on a hot day, etc.
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Joined Feb 2006
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#63
Quote from fuzzyfacedog :
In summer at over 115, i can leave for over 7 months and only lose 1 bar.
Quote from Supertouch :
How long can you leave it in your trunk before it needs to be charged again.
how many bars are left is a terrible metric for how it's holding up. You need to do a discharge cycle on the battery and see if it's capacity is holding up. That is where you will see the deterioration due to temperature.
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Joined Aug 2004
L5: Journeyman
720 Posts
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#64
Quote from PaulP6017 :
I bought one of these a few weeks ago and I could not get it to bring a completely dead battery back to life on two cars. so I think the use case would be pretty narrow for this but I admit I'm not the expert. once I returned it I purchased one of the plug-in intelligent chargers for about $30. it's successfully brought to completely dead batteries that hadn't been driven all winter back this afternoon. so if that's what you're looking to do that might work better for you
It's not a battery tender or maintainer . It's a jump start device. It's not meant to charge your battery.
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Joined Jul 2015
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#65
Quote from PaulP6017 :
I bought one of these a few weeks ago and I could not get it to bring a completely dead battery back to life on two cars. so I think the use case would be pretty narrow for this but I admit I'm not the expert. once I returned it I purchased one of the plug-in intelligent chargers for about $30. it's successfully brought to completely dead batteries that hadn't been driven all winter back this afternoon. so if that's what you're looking to do that might work better for you
Wow..
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Joined Jun 2011
L7: Teacher
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#66
Got pink. Support the breast cancer awareness hugPeace
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Our community has rated this post as helpful. If you agree, why not thank ?
#67
Quote from BoyWonder :
SD has been featuring a lot of jump starters recently and through that been reading that it's not a good idea to leave this in your car as it kills the battery. Isn't the point of this so you'd have it with you at all times? Any tips or feedback?
If you want a maintenance free unit you should look at a supercapacitor based and not a battery based jump starter

For info:

1st Generation jump starters were lead acid battery base
2nd generation are the lithium battery based
3rd generation are the super capacitor based

Super Capacitor based have the following benefits:
  • They don't need to be charged --they can use the residual power of a low battery to power up the super capacitors enough to jump the car. 800 amps for the Autowit SuperCap 2
  • Can be charged by a low battery, charged battery on 2nd car, cigarette lighter on another car, from a USB wall charger, even from a USB powerpack
  • Unaffected by high or low temps (will work in -40 - 160 degree range
  • Last a long time (10-20 years before the capacitors will deteriorate)
  • No danger of causing a fire like a lithium battery.
  • The autowit will even show if your charging system is working (if volts are over 12 while running, it is charging)
  • Maintenance free --just toss it in your trunk and forget about it until it is needed

There are some negatives though
  • Can not use it as a USB charger to charge or power a phone etc
  • Will not charge a 100% dead battery (probably is a safety feature where electronics will not fire off unless there is a slight charge on battery)
  • Will not work on large diesel engine --over 4.0 L say (since this releases charge from Super Capacitors and Diesels need to power up glow rods then turn over the engine)

One thing to keep in mind is the charge time. On a good battery (say another car or a car with just a low battery, one that will click the starter but not enough to turn it over) will take 1-3 minutes to charge. But the deader a battery, the longer the wait. A really low battery, say 4 volts, will take 25-30 minutes to charg. And, a 5 volt usb wall charger will take 25 or so minutes to charge. The Super capacitors will hold the charge for a day or 2 (but can easily be recharged anytime it is needed)

Look up Autowit The Autowit SuperCap2 is on https://smile.amazon.com/dp/B086L29DL9?psc=1 (Note: It is $149 but they currently have a 10% off coupon. Sometimes they have a 20% --there is also a smaller version available for 119)

Here is a video that explains difference https://youtu.be/ZMfo4mk3eIw

Note, some will point to the Project Farm review but this test is not relevant to a super capacitor based jump starter. His test sees which will try to start a large diesel the longest. A supercapacitor is not a battery, it discharges enough to start a car or small diesel. It's electronics will stop the load after a certain time, so its not going to keep trying to start a large diesel like a battery. Also, his test assumes you are using a freshly charged new jump starter. Try his test with 2 year old items that have been sitting in a trunk and see results. The super capacitor would be the only one that would work. Even if you freshly charged all the batteries up, it would still probably win since the lithium batteries would not hold a full charge anymore (if any). Also his cold test is flawed since he freezes the item then lets it warm up. In reality, you are not going to be able to warm up your jump starter if you are stuck in -20 weather.

Project Farm test is good if you want to know how good a fresh charged starter will last, not a maintenance free item stored in a trunk of car during summer and winter for years until needed. His test is for someone living on a farm that has the it near a barn and needs to start a tractor near the barn say. Not someone who is stuck in a parking lot on a cold day that left the dome light on while they were inside at work all day and needs to grab something that has been sitting in trunk for a while.
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Joined May 2017
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#68
Middle picture - you can Jumpstart

Gas 4.5L
Motorcycle
Yacht
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Joined May 2007
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#69
In for one! Thank you!
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Joined Jul 2017
L4: Apprentice
498 Posts
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#70
Quote from sillyrabbid :
Fakespot rating D..
I have one for my Jeep TJ. I often leave the lights on. Works amazingly. I could probably jump it 6 times before recharging.

I bought this one for my mother. I also recommended it to a coworker.

Fakespot is fake in this case.
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#71
Quote from BoyWonder :
SD has been featuring a lot of jump starters recently and through that been reading that it's not a good idea to leave this in your car as it kills the battery. Isn't the point of this so you'd have it with you at all times? Any tips or feedback?
I leave mine under my seat in my Jeep TJ. It gets rained on, gets baked in the Florida heat, and it works every time. I used it two days ago here in Florida when I left my Jeep Wrangler TJ lights on and was too busy to turn them off. Just jumped it after work. Next day, it poured raining and water was pouring out of it. Still has 3 our of 4 bars and works perfectly after I let it dry out.

It's $30. It works. Charge it every 6 months in warmer climates if you want to be safe. I just bought one for my elderly mother. I dunno what happens in cold weather as I live in Orlando, but I bet you'll be pleasantly surprised at it's durability. I am.
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Last edited by michaeltholbrook March 4, 2021 at 07:39 PM.
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Joined Feb 2010
Grumpy Watchdog
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#72
Gooloo support is great. I bought one years ago that I miss. It stopped charging. I wanted a replacement but they didn't have those anymore so they refunded me.
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Joined Dec 2006
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#73
Quote from jd45123 :
If you want a maintenance free unit you should look at a supercapacitor based and not a battery based jump starter

For info:

1st Generation jump starters were lead acid battery base
2nd generation are the lithium battery based
3rd generation are the super capacitor based

Super Capacitor based have the following benefits:
  • They don't need to be charged --they can use the residual power of a low battery to power up the super capacitors enough to jump the car. 800 amps for the Autowit SuperCap 2
  • Can be charged by a low battery, charged battery on 2nd car, cigarette lighter on another car, from a USB wall charger, even from a USB powerpack
  • Unaffected by high or low temps (will work in -40 - 160 degree range
  • Last a long time (10-20 years before the capacitors will deteriorate)
  • No danger of causing a fire like a lithium battery.
  • The autowit will even show if your charging system is working (if volts are over 12 while running, it is charging)
  • Maintenance free --just toss it in your trunk and forget about it until it is needed

There are some negatives though
  • Can not use it as a USB charger to charge or power a phone etc
  • Will not charge a 100% dead battery (probably is a safety feature where electronics will not fire off unless there is a slight charge on battery)
  • Will not work on large diesel engine --over 4.0 L say (since this releases charge from Super Capacitors and Diesels need to power up glow rods then turn over the engine)

One thing to keep in mind is the charge time. On a good battery (say another car or a car with just a low battery, one that will click the starter but not enough to turn it over) will take 1-3 minutes to charge. But the deader a battery, the longer the wait. A really low battery, say 4 volts, will take 25-30 minutes to charg. And, a 5 volt usb wall charger will take 25 or so minutes to charge. The Super capacitors will hold the charge for a day or 2 (but can easily be recharged anytime it is needed)

Look up Autowit The Autowit SuperCap2 is on https://smile.amazon.com/dp/B086L29DL9?psc=1 (Note: It is $149 but they currently have a 10% off coupon. Sometimes they have a 20% --there is also a smaller version available for 119)

Here is a video that explains difference https://youtu.be/ZMfo4mk3eIw

Note, some will point to the Project Farm review but this test is not relevant to a super capacitor based jump starter. His test sees which will try to start a large diesel the longest. A supercapacitor is not a battery, it discharges enough to start a car or small diesel. It's electronics will stop the load after a certain time, so its not going to keep trying to start a large diesel like a battery. Also, his test assumes you are using a freshly charged new jump starter. Try his test with 2 year old items that have been sitting in a trunk and see results. The super capacitor would be the only one that would work. Even if you freshly charged all the batteries up, it would still probably win since the lithium batteries would not hold a full charge anymore (if any). Also his cold test is flawed since he freezes the item then lets it warm up. In reality, you are not going to be able to warm up your jump starter if you are stuck in -20 weather.

Project Farm test is good if you want to know how good a fresh charged starter will last, not a maintenance free item stored in a trunk of car during summer and winter for years until needed. His test is for someone living on a farm that has the it near a barn and needs to start a tractor near the barn say. Not someone who is stuck in a parking lot on a cold day that left the dome light on while they were inside at work all day and needs to grab something that has been sitting in trunk for a while.
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Boy you really must not like Project Farm.. I can tell because most of what you state is inaccurate..
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Joined Jul 2010
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#74
Will not accept the promo code. It did then it disappeared while I looked at something else and won't apply it to check out.
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#75
Quote from shadowarachh :
It's not a battery tender or maintainer . It's a jump start device. It's not meant to charge your battery.
fair enough...when I purchased I was expecting to be able to jump the battery from really dead. it could not do that on two vehicles. but a third vehicle I tried it on had only been dead for a few days it was during the brutal cold a few weeks ago. it didn't work there either.

a lot of people are going to buy this like I did with too much expectation on what it can do. just trying to save some people the hasdle
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