NOCO Genius Boost Plus GB40 1000 Amp 12V UltraSafe Lithium Jump Starter
Style:1000 Amps The GB40 is an ultra-portable, lightweight and compact lithium-ion jump starter for 12-volt batteries. With it, you can safely jump start a dead battery in seconds - up to 20 times on a single charge. It's mistake-proof, making it s...
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Reviews around build (5.00 of 5)
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Bonus - the built in light works, and this booster will also power your smart phone for a long time
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The GB40 is well built, extremely portable and the controls are intuitive
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Also, It feels well built of quality materials and will last a long time.
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Feels well built and the light is bright enough to light up under the hood.
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Love the built in light too and the ability to charge your phone from this device too
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Reviews around size (4.54 of 5)
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The compact size and power to immediately start my car with a dead battery
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While skeptical of it being the smaller size, I have been pleased with its performance
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I owned the next size smaller and it blew away the ones Costco offers
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Product seems well made and is a nice small size but does not work as advertised
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Compact size makes it easy to keep in the car without taking up a ton of space.
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Reviews around advertise (4.47 of 5)
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It lasted longer (for me) than the one-year warranty it came with, yes, but there is no reason lithium batteries of the type used in this device should fail as quickly as they did.
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I just bought this puppy, it works as advertised and beautifully.
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On time delivery, works as advertised, I've used it twice and it worked flawlessly
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My dad has used the GB40 to start a few stranger’s cars since I got it for
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Had to jump a couple vehicles and it worked as advertised.
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Reviews around feature (4.37 of 5)
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I also love the safety features such as the polarity protection
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The extra features for phone charging and such is also really nice, I just haven't had cause to use it yet.
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Very small in size but all the features are great and very easy to use
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The features and quality you get from this booster box blew me away!
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Flashlight features work great, but it won’t charge to use as it is intended
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Reviews around power (4.22 of 5)
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I sold my big bulky power jumper after buying this little unit
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I love that if we lose power at home, we could use it to charge cell phones too!
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i work at and there wasn’t enough power to jump some of them.
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Had enough power to start the electronics but that's it
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This also makes a great emergency power bank for your phone if you ever need it
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Reviews around quality (4.14 of 5)
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Product works great, But the quality of the accessoriesisn't that great
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Good quality and have already tried it out on a couple of cars and it worked great.
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Not sure if they sent me defective cables or it's just a poor quality product.
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The product itself works perfect still, the quality is great
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This generally work, bu both clamps have broken plastic pieces due to the poor quality plastic used.
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Reviews around jump (4.06 of 5)
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So I looked for the best jump starter and decided on this
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For me, a portable jump starter is a safety blanket, but this is the opposite.
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Beats keeping jumper cables and trying to get a jump if your battery dies
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Overall I think this is an adequate portable jump starter.
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I can't believe how powerful and portable this jump starter.
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Reviews around device (4.05 of 5)
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Every time I try to start a car, the device just has a click noise internally and fails to start the vehicle
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But this little device has no trouble at all with that!
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Looks like after use to jump dead battery device still shows FULL
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this device works great but the clamps need a to have be a little longer lead.
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This week I helped a stranded lady jump her car with this when a weaker device failed
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Reviews around light (3.94 of 5)
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Received this for Christmas after I had left my lights on and killed my battery
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My neighbor left the lights on in her car and drained the battery.
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The LED lights that indicate the rate charge has not moved from the first red light
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Charge your phone during power failure and a bright 7 function light
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Led light is bright, takes a charge and works great to jump cars and light trucks.
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Reviews around charger (3.82 of 5)
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This is a good charger but it will not work on a really dead battery
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In that time I only had to jump the car once and this charger worked well, just like before
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This was exactly what I was looking for in a portable car battery charger!
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However, when I needed to actually use it the charger was dead
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Its a great charger when its charged, However the micro USB charging port to charge the jump starter is very weak and my micro USB socket fell off the circuit board.
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Reviews around charge (3.56 of 5)
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Light, holds the charge well, easy to stash under a seat, very happy, works great.
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I re-charged it and kept it in the car -- a few months later when I needed to use it to jump start the drained battery I found the unit had totally lost its charge and was useless.
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A single charge on the iPhone 7 Plus and the battery is dead.
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Full disclosure... the second one for my car came bad- charge should only take 3 hours total, after charging for over 16 hours the unit was still only showing 25%
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absolute worthless will not maintain charge will only jump one car discharges quickly with any usb device connected
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Reviews around time (3.41 of 5)
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Unfortunately each time this thing failed to jump the vehicle
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The second time I had to use it, my battery was dead at 6 volts out of 12.
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The larger one helped a few times and worked flawlessly each time.
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It worked the first 2 times and third time not a charm because when I went to jump my car on the side of the road it failed
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I used it three times over 1-1/2 years and it didn't work the third time.
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Reviews around situation (2.79 of 5)
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Its great AND CONVENIENT i will purchase another for my wife
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Worth the buy, trust I over research way too much and this actually worked.
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I either have a defective battery (which is a poor situation) or the product needs to be redesigned
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Not nearly enough to get a dead battery situation resolved
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so we needed a way to jump the car from our garage as well as on trips
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Reviews around snap (2.73 of 5)
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I live in the upper midwest and we're in the middle of a terrible cold snap, so just recently I had an opportunity to use this product
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Getting the car fixed this weekend, but in the meantime my wife has already mastered the NOCO as
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Last one was this morning after trying to start my wife's 1.8l turbo VW after a strong cold snap came through town.
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Haven't done a jump start yet but will update when I do, as well as when I see how often I need to recharge just from sitting.
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TX got an extremely bad cold snap... zero and below for a week.
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Reviews around alternator (2.68 of 5)
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It's already saved me once as well as having saved several other folks
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I actually had to use it multiple times as the problem turned out to be a bad alternator
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We have charged at home in a wall receptacle as well as in the lighter socket of the car and both gave equal charges.
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It's already saved me once as well as having saved several other folks
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so we needed a way to jump the car from our garage as well as on trips
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Reviews around attempt (2.37 of 5)
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n’t know why the car dies after I put car in D mode and drive a few feet
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Haven't done a jump start yet but will update when I do, as well as when I see how often I need to recharge just from sitting.
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n’t know why the car dies after I put car in D mode and drive a few feet
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We have charged at home in a wall receptacle as well as in the lighter socket of the car and both gave equal charges.
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After shutting the bike off, subsequent attempts failed
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Reviews around car (2.28 of 5)
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I've started a classic car with a super dead battery (a 1960's "compact car") had to use the
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not impressed, wouldn't jumpstart a car with battery completely dead
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It's worked great to start a dead car battery without the need to jump start from another car
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it worked on a dead car battery and its great as a portable
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Like advertised, it will start up a battery of a dead car in no time
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Reviews around bite (2.28 of 5)
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I read reviews and watched review videos and with so many favorable I went ahead and bought one
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I really have no idea why why this did not work (the only thing I can think of is that it was had lost a bit of charge, but the directions say it should hold a suitable charge for quite a long time)-
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It’ll be a bit expensive to have it replaced because it’s difficult to get to the battery
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It's a lot smaller than I was expecting, so I was a bit skeptical whether or not it would actually work
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Worth the buy, trust I over research way too much and this actually worked.
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Reviews around truck (2.13 of 5)
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My truck likes to die if I don't drive it enough, what with the pandemic I work from
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It started his truck first try; needless to say it has already paid for itself.
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Cranked the truck twice and Noco boost plus GB40 was still full
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My truck is much more important to me than my friend's car...
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I took the NOCO out of my truck and hooked it up to the dead battery truck
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Reviews around winter (2.01 of 5)
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Its great AND CONVENIENT i will purchase another for my wife
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Worth the buy, trust I over research way too much and this actually worked.
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I read reviews and watched review videos and with so many favorable I went ahead and bought one
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I bought two of these after having our car battery suddenly die in the grocery store parking lot on a cold winter day
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Finally, after two weeks my battery was completely dead and needed the NOCO to start the car every time due to the cold winter days.
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Reviews around weather (1.77 of 5)
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With little to no driving and the cold weather, almost dead battery every time I had to go out
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We have charged at home in a wall receptacle as well as in the lighter socket of the car and both gave equal charges.
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Compact and strong .I already used it once in the extremely cold weather.
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At that cold weather last thing you need is to mess around with your dead battery and figuring out how to start
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so we needed a way to jump the car from our garage as well as on trips
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Reviews around battery (1.40 of 5)
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It would not jump a car that had a completely dead battery
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Easy to use, good battery life, good to have just in case
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I tried it on my car after the battery was completely dead
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I was doubtful it would start my car with a completely dead battery
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Worked flawlessly starting a completely dead battery in an old car
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More about NOCO Genius Boost Plus GB40 1000 Amp 12V UltraSafe Lithium Jump Starter
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Style:1000 Amps The GB40 is an ultra-portable, lightweight and compact lithium-ion jump starter for 12-volt batteries
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With it, you can safely jump start a dead battery in seconds - up to 20 times on a single charge
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It's mistake-proof, making it safe for anyone to use and features spark-proof technology, as well as reverse polarity protection
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The GB40 lithium jump starter integrates with a high-output 100 lumen LED flashlight with seven light modes, holds its charge for up to one year and features a USB battery pack for recharging personal devices on the go - up to 4 smartphone recharges
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It's rated at 1,000 Amps (7,000 Joules3S), and suitable for use on gasoline engines up to 6 Liters and up to 3 Liter diesel engines, such as a car, van, boat, SUV, truck and more
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Includes the GB40, needle-nose battery clamps, USB charging cable, microfiber storage bag, our 1-year hassle-free limited warranty, and free lifetime customer support Other commonly used search terms include: jump starter, jumper cables, car jump starter, battery jumper, car starter, car battery jump starter, car jumper, jump pack, car jump, jump starter power bank, battery booster, battery jump, jumper pack, jumper battery, battery jump pack, portable jump starter, jumpstart, jumper starter, battery jump box, jump starters, genius boost, booster pack, portable car battery jump starter, jump starter pack, jumper box portable power,jumper box, jump starter kit, jump battery, noco genius boost, lithium jump starter, jumper starter diesel, diesel jump starter, and battery jump starter.