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

rczrider

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.

5

Mr_Snoop

Today 06:40 PM

636 Posts

Joined Apr 2017

Mr_SnoopToday 06:40 PM

636 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.

Tazmania99

Pro

Today 07:19 PM

4,852 Posts

Joined Feb 2006

Tazmania99

Pro

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?

SiennaHerring788

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.

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

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