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post #1 of 41 (permalink) Old 19-03-2021, 15:37 Thread Starter
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Jump starter problem

I eventually got my Noco GB70 jump starter (holdup due to supplier sourcing from Germany). I plugged it in to charge it up - it took over 60hrs!

The supplier said maybe it was a faulty lead (USB from both a 4.4A and a 2.1A) - according to manual USB charging should take a max of 7hrs.

However, since I've no need to use it ATM, how do I deplete the battery to test the alternative lead and, since that is to plug into a 12v socket how do I test that since the manual says it should take 2-3hrs? I presume I'd need to be driving to charge it up - not possible.

Jean
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post #2 of 41 (permalink) Old 19-03-2021, 16:02
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Use the USB out to power of charge other things. If you have any 12v chargers for phones or computers power those from the 12v outlet. I don't know if the power will be clean enough to run a computer, maybe you should ask the makers.

Have you a 12v compressor for your tyres? If you do run it for a while and it'll flatten the battery eventually. Only run a compressor for a minute or two at a time so it doesn't overheat.

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post #3 of 41 (permalink) Old 19-03-2021, 16:23
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I'm a little confused Jean. (OK).
So is it not charging from the mains to top up the internal batter? Or is it just like a transformer charger to 12v?
Sounds ever so complicated to just jump the van.

Ray.

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post #4 of 41 (permalink) Old 19-03-2021, 16:28
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Here Ray: https://no.co/gb70

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post #5 of 41 (permalink) Old 19-03-2021, 16:37
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Thanks Alan. Looks far too complicated for a basic 12v vehicle. More suitable for powering a moon rocket.
I'm glad I didn't go down that route as somehow it seems incredible. Or maybe unbelievable.

All the early and cheaper reserve power boxes that were bought a few years ago maybe three times the size, their batteries failed just when you needed to use them. Call me sceptical but somehow I can't see it doing what it says on the box.

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post #6 of 41 (permalink) Old 19-03-2021, 16:47 Thread Starter
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Quote:
Originally Posted by erneboy View Post
Use the USB out to power of charge other things. If you have any 12v chargers for phones or computers power those from the 12v outlet. I don't know if the power will be clean enough to run a computer, maybe you should ask the makers.

Have you a 12v compressor for your tyres? If you do run it for a while and it'll flatten the battery eventually. Only run a compressor for a minute or two at a time so it doesn't overheat.
Thanks Alan - why didn't I think of that?!
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Originally Posted by raynipper View Post
... their batteries failed just when you needed to use them. Call me sceptical but somehow I can't see it doing what it says on the box.

Ray.
I hope not!

I don't need it to jump-start 40 vehicles (or whatever) - just the one, if required!
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post #7 of 41 (permalink) Old 19-03-2021, 16:51
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These were the ones that failed on a regular basis Jean. About £50 and people carried them around in the boot for years flat.
I must say I have no knowledge of yours.

Ray.
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post #8 of 41 (permalink) Old 19-03-2021, 16:55
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I think they need to be on charge all the time, the early ones were used wrongly, as you say flat in the boot, not designed to be carried about, maybe this one is, not looked at the link yet.
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post #9 of 41 (permalink) Old 19-03-2021, 16:56 Thread Starter
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Well, you do have to charge them up from time to time!

I gave a friend a gift of an OTG charger as she was always complaining of her phone losing power. I happened to ask about it about a year later - oh, it takes forever to charge the phone, she says.

Turns out she had NEVER charged up the charger hahaha!

Jean
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post #10 of 41 (permalink) Old 19-03-2021, 16:57
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