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NOCO Boost X GBX155 4250A 12V UltraSafe Portable Lithium Jump Starter, Car Battery Booster Pack, USB-C Powerbank Charger, And Jumper Cables For Up To 10.0-Liter Gas And 8.0-Liter Diesel Engines

(13 customer reviews)

X for Extreme – An all-new design with extreme jump starting power for powerful engines starts. Rated at 4250-amps, this portable lithium car battery jump starter releases maximum energy at every start. This isn’t an upgrade. It’s a whole new series – the Extreme Series.
Turbo Chargeable – Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges. Completely recharges in just 2.7-hours, or go from 0% to jump starting in just 5-minutes of charge.
Charge Everything – With USB-C Power Delivery, you have the power to charge almost everything. Its internal power bank provides 60-watts of power – both in and out – to effortlessly power your favorite USB-C devices, like phones, tablets, laptops, wearables, and more.
UltraSafe 2.0 – We took our UltraSafe technology and made it better. It’s still our simple, mistake-free design featuring spark-proof technology and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.
Maximum Versatility – Boost X is one of the most versatile lithium jump starters ever. Jump start all vehicle types, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more for up to 10.0-liter gasoline and 8.0-liter diesel engines.
Here’s What You Get With Boost X – GBX155 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack and Power Bank with 60W USB-C Power Delivery, Heavy-Duty Jumper Cable Clamps, USB-C Charging Cable, 12V USB-C Fast Charger, Microfiber Storage Bag, 1-Year Warranty, and Designed in the USA.

$442.36

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SKU: B08WZFPXFM Category:

NOCO Boost X GBX155 is a portable lithium jump starter for 12-volt batteries in vehicles up to 10.0-liters gasoline and 8.0-liter diesel engines, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more. This all-new design for extreme jump starting power and rated at 4,250-amps releases maximum energy at every start. It comes equipped with 60W USB-C Power Delivery technology for ultra-fast recharging – go from 0% to jump starting in 5 minutes of charge – and powering your favorite USB-C devices like phones, tablets, laptops, wearables, and more. It includes our advanced safety technology – UltraSafe 2.0 – with spark-proof and reverse polarity protection but enhanced thermal efficiency and power management to provide better performance and longer battery life. Here’s what you get with the all-new Boost X: GBX155 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack, Power Bank with 60W USB-C Power Delivery, Heavy-Duty Jumper Cable Clamps, USB-C Charging Cable, 12V USB-C Fast Charger, Microfiber Storage Bag, 1-Year Warranty, and Designed in the USA.

Specification: NOCO Boost X GBX155 4250A 12V UltraSafe Portable Lithium Jump Starter, Car Battery Booster Pack, USB-C Powerbank Charger, And Jumper Cables For Up To 10.0-Liter Gas And 8.0-Liter Diesel Engines

Weight 7.01 lbs
Dimensions 8.18 × 4.84 × 13.51 in

13 reviews for NOCO Boost X GBX155 4250A 12V UltraSafe Portable Lithium Jump Starter, Car Battery Booster Pack, USB-C Powerbank Charger, And Jumper Cables For Up To 10.0-Liter Gas And 8.0-Liter Diesel Engines

4.1 out of 5
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  1. Michael W.

    Almost 20wh larger than the initial marketing material suggested. Nice packaging as always. 60w bi-directional USB-C future proofs this device for at least 10 years. Note to other buyers: As packaged, the unit can only charge at it’s full capacity of 60w when using the 12v cigarette lighter power adapter. If you try to charge with a standard USB port, it may take over 30hrs to charge. A separately purchased 60w USB-C charging adapter is needed to charge quickly at home.Read more

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  2. therealdede

    Scooped one up for prime day thinking it would be an upgrade for my GB70, wrong. With mg gb70 I could jump start cars all week without having to recharge. With this gb155x I can only jump 2-3 small engined vehicles before the battery monitor on the front says the pack is completely dead, and it stops working. Plug it into USB C to charge, and it’s done in 10 mins. Contacted NOCO, they want me to ship it back, at my expense, to Arizona, from PA, and MAYBE, in 4-6 weeks, I could expect a replacement. Definitely not the experience I expected. I would return this, but it conveniently only started acting up once the return period closed. Definitely hesitant on my next noco purchase.Read more

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  3. steven rodriguez

    I am very disappointed with this jumper start box. The price that you are paying, you’d expect a high quality product. Also because of the name NOCO since 1914 or whatever was the year they are promoting, this ice cream sandwich depletes very fast and only jumps 2 or 3 vehicles and needs a charge again. Amazon’s customer service has gone downhill and do not stand behind this product. I asked for a warranty and they just wanted to refund the money. I needed the tool. So I kept it and bought one from another source, same issue. Would not recommend this, stick with cheaper options that will do the same as this unit. Not satisfiedRead more

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  4. Shane Metzung

    Have a 2500 Chevy High Country Diesel just opened it up today came in with charged half and had it charging about 10 hours and only went up one bar. Haven’t used it yet just charging takes a lot longer than said. Overall looks nice though!Read more

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  5. Amazon Customer

    I’m not sure why others say it takes several hours to fully charge a new unit. Just received mine today. Packaging and boxes are solid and nicely presented in shrink wrap as per the usual NOCO flare! The unit feels solid but not obscenely heavy! As others have said, at this price point, NOCO should really include the hard case with these. It does come with a rather thick instruction manual to cover many languages, a soft storage bag, 1 x USB-A to USB-C charging cable, 1 x 12V cigarette lighter to USB-C charging cable. After removing the unit from its box, I used my Apple high speed Macbook Pro 96W USB-C charger and this unit went from 50% charged to complete 100% charge in just shy of 1 hour!!! Will update when I actually use the unit to jumpstart an engine soon.Read more

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  6. -Dan-

    Only thing I don’t like about this jump starter, they got rid of the standard 12v accessory plug. Beware it only has standard USB and USB-C. The standard 12 volt plug in on the GB150 (previous model) could be used for powering the OBD2 connector to maintain memory while changing batteries in a car. It was easy to get other accessories that worked with it too. With the addition of the USB-C there are work arounds for this with various USB to other connectors. I emailed Noco and asked them about If they plan to make any adaptors compatible with this model and they said no. All in all a great jump starter, I was just a little disappointed they left off a feature that used to be standard.Read more

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  7. OrdinaryGuy

    This booster will get the job done. The ease of use is good and the safety features are a plus. This model is a lot larger than I expected, my fault for not paying attention to the dimensions better, although I need it for my larger diesel engine. It is still very portable and not a hassle, just larger than the others since it is for the larger engines, so don’t think this one is best because it holds more charge if you don’t NEED it for the larger engine size. Its not a “battery bank” you will want to carry on your person all the time.Read more

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  8. Jay Green

    Great build quality, pretty huge. The 150 case fits but it’s tight width wise (wasn’t waiting for proper case to be made though) For those whining about how long it takes to charge, try using your laptop charger! If it’s usb-c, most likely it will quick charge your NOCO.Read more

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  9. Simon

    I needed to start a 6 liter diesel that had not moved for 6 months and battery was totally dead. This thing started it first time. On my drive home I stopped 3 times and the battery was not charged enough to restart it however I hooked up the noco each time and it started fine. And the noco was still showing 3/4 charge. Well impressed.Read more

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  10. MAL20040

    Looks and feels well made. But I haven’t had to use it yet! We have different chargers in the house associated with different devices, only the charger that was a recent purchase with an IPAD seemed strong enough to charge the booster. I need to buy a more powerful charger!Read more

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  11. Mr. R. J. Warmington

    The only shortfall with this mighty power pack is that, unlike the 70 and the 150, it doesn’t have a 12 volt output socket.Read more

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  12. Amazon Customer

    Very good device, light weight, brilliant for starting as it says, quite expensive but will certainly get you out of a tight spot with a flat battery.Read more

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  13. Grodno.

    AFTER 24 HOURS ON CHARGE THIS MACHINE JUMP STARTED 17 CARS IN THE SNOW IN SCOTLAND. WHAT MORE CAN A MECHANIC ASK?Read more

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    NOCO Boost X GBX155 4250A 12V UltraSafe Portable Lithium Jump Starter, Car Battery Booster Pack, USB-C Powerbank Charger, And Jumper Cables For Up To 10.0-Liter Gas And 8.0-Liter Diesel Engines
    NOCO Boost X GBX155 4250A 12V UltraSafe Portable Lithium Jump Starter, Car Battery Booster Pack, USB-C Powerbank Charger, And Jumper Cables For Up To 10.0-Liter Gas And 8.0-Liter Diesel Engines

    $442.36

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