NOCO

NOCO Boost Max GB251 3000A UltraSafe Jump Starter 24V Lithium Battery Booster Pack Portable Jump Box Power Bank

4.2(52)
$1139.95$1199.95

1057+ bought in the past month

About this item

  • BOOST MAX SERIES — One of the most powerful lithium jump starters ever. Up to 3,000 amps to start gas and diesel engines up to 32L - engineered for commercial and industrial engine starts.
  • ULTRASAFE TECHNOLOGY — Patented spark-proof and reverse polarity protection ensures safe, mistake-free connections on any 24V battery - trusted by professionals worldwide.
  • COMMERCIAL-GRADE POWER — Starts nearly any engine - Class 8 trucks, buses, motorhomes, agricultural, construction, mining, and vocational equipment - 6, 8, 12, and 16 cylinders.
  • PORTABLE POWER BANK — Integrated power bank delivers emergency power to smartphones, tablets, and more. Fully recharges in 3 hours with the included 56W power adapter.
  • INTEGRATED LED FLASHLIGHT — Precision-engineered 600-lumen LED with 7 light modes, including SOS and strobe. Illuminate repairs, emergencies, or low-light environments.
  • COMPACT FOR ITS CLASS — Only 15 lb, yet delivers unmatched starting power. Replaces oversized units with a compact design - engineered to start the largest and most demanding engines.
  • WHAT’S IN THE BOX — GB251 jump starter, 56W power adapter, AC cords (AU, EU, US, UK), XGC adapters, and EVA protective case. Backed by a 1-year warranty and engineered in the USA.
$1139.95
Was $1199.95Save $60.00

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Product details
BrandNOCO
Battery Cell CompositionLithium
Voltage24 Volts
Product Dimensions19.49"D x 14.17"W x 10.51"H
Vehicle Service TypePassenger Car, RV, Tractor, Truck, Van, Watercraft

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Customer reviews

4.252 ratings
  1. 5★75%
  2. 4★13%
  3. 3★0%
  4. 2★0%
  5. 1★13%
★★★★★

Love it!

Anessa—March 15, 2022✓ Verified purchase

It's been a rough winter in North Dakota. Freezing temperatures left our truck batteries not wanting to hold a charge. This is heaven sent! No more waiting all day to jump them off of our pick up trucks battery. This works very quickly but one jump and you have to recharge it. It takes about 3 hours to fully charge. We use it for our 2015 Pete 579. It fits nicely in it's case and it's not as heavy as I expected it to be. Read more

★★★★★

Works as described

AJ—January 28, 2025✓ Verified purchase

N/A Read more

★★★★★

Saved me a couple of times

Aleksandr—January 10, 2025✓ Verified purchase

Every car owner must have Read more

★☆☆☆☆

Not worth the money

James L.—July 22, 2024✓ Verified purchase

I received this item and opened it out of the box, and plugged it in to start charging it, it went to error after 30 seconds of charging, and would not charge anymore, returning, it’s crazy to pay this Much for the unit and it will not charge. Read more

★★★★★

Worked

Rhonda Porter—November 26, 2024✓ Verified purchase

Worked exactly how it was supposed to. Read more

★★★★★

Awesome

Customer—November 24, 2024✓ Verified purchase

Works every time Read more

★★★★☆

Works fine, case is too nice for what it is

CoryH—October 9, 2024✓ Verified purchase

Only used twice, but worked fine each time on large 24v diesel cat engine. Leads are a little short, which makes it harder to find a spot to put the booster while boosting. Case is really nice, like nicer then it needs to be for what its purpose is. Read more

★★★★★

Worth it

TJ—January 19, 2025

I work for a major transit company as a bus mechanic. Grabbing the giant battery cart and walking it 300 yards to find the cart batteries were dead started to become frustrating. Got one of these on a good deal of the snap on truck. Jump starts Cummins 8.9L all day while only showing 4v on house batteries. Read more

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