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expiredPennyFound | Staff posted Today 04:04 PM
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expiredPennyFound | Staff posted Today 04:04 PM

Noco GB20 400AMP Boost Jump Starter $42.49 + Free Shipping w/ Prime

$42

Woot!
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Woot! [woot.com] has Noco GB20 400AMP Boost Jump Starter on sale for $42.49. Shipping is free w/ Prime (must be signed in) or is otherwise a flat $6 fee per order.
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Woot! [woot.com] has Noco GB20 400AMP Boost Jump Starter on sale for $42.49. Shipping is free w/ Prime (must be signed in) or is otherwise a flat $6 fee per order.

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Today 04:20 PM
2,754 Posts
Joined Jun 2014
rczriderToday 04:20 PM
2,754 Posts
400A seems pretty low, though I would trust NOCO's claim of 400A of actual output to the no-name brands that claim 8000A or whatever.

Still, they say it will jump gas cars up to 4.0L, but at that size you're looking at batteries that are usually rated at 800CCA. How could this jump them? Not sure I'd ever get a jump starter rated for less than 1000A.
Today 06:40 PM
637 Posts
Joined Apr 2017
Mr_SnoopToday 06:40 PM
637 Posts
I went with the GB40 even tho my car is only 2.5L. I ended up using it twice on other people's vehicles before I needed it. You never know what size vehicle someone else may need help with. In my case, it was a mid size SUV and a pickup truck.
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Today 07:19 PM
4,852 Posts
Joined Feb 2006
Tazmania99
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Today 07:19 PM
4,852 Posts
Quote from Mr_Snoop :
I went with the GB40 even tho my car is only 2.5L. I ended up using it twice on other people's vehicles before I needed it. You never know what size vehicle someone else may need help with. In my case, it was a mid size SUV and a pickup truck.
So GB40 was powerful enough to jump both the SUV and the pick up truck?
Today 08:28 PM
88 Posts
Joined Mar 2026
SiennaHerring788Today 08:28 PM
88 Posts
Quote from rczrider :
400A seems pretty low, though I would trust NOCO's claim of 400A of actual output to the no-name brands that claim 8000A or whatever.Still, they say it will jump gas cars up to 4.0L, but at that size you're looking at batteries that are usually rated at 800CCA. How could this jump them? Not sure I'd ever get a jump starter rated for less than 1000A.
It's assuming that the battery isn't entirely discharged. I agree though, I use multiple NOCOs all day for my job, I'd go with at least the GB40 or, ideally, GB70.
Today 10:07 PM
637 Posts
Joined Apr 2017
Mr_SnoopToday 10:07 PM
637 Posts
Quote from Tazmania99 :
So GB40 was powerful enough to jump both the SUV and the pick up truck?
yep. i think the truck probably had an alternator issue as it died while it was being driven so that battery was very drained. it still started it. not sure how far he got tho.
Today 10:27 PM
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Joined Sep 2023
EfficientCorn3361Today 10:27 PM
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