Re: Would a jumpstart charge a battery?
- From: "shazzbat" <shazzbat@xxxxxxxxxxxxxxxxxx>
- Date: Mon, 31 Oct 2005 19:37:31 -0000
"Maruice Cole" <hotspot> wrote in message
news:gglcm1hmq93m335nlm23sc60jeug1au52j@xxxxxxxxxx
> On 31 Oct 2005 17:27:17 GMT, Adrian <toomany2cvs@xxxxxxxxx> wrote:
>
>>Maruice Cole (hotspot) gurgled happily, sounding much like they were
>>saying
>>:
>>
>>> If I connect the jumpstart to the car battery and leave it connected,
>>> well the power from the jumpstart transfer into the car battery?
>>
>>A bit, yes.
>>
>>But the batteries in jumpboxes aren't that big at all. Your best bet is to
>>use it as intended - start the car, then let the alternator charge the
>>car's battery.
>>
>>> Therefore if the power is drained from the jumpstart into the car
>>> battery, would that mean the car battery would now transfer the power
>>> back into the flat jumpstart?
>>
>>My (£20) jumpbox has a car charger lead, to allow it be charged from the
>>ciggy cable. It takes forever and a week compared to charging it from the
>>mains.
>
> Mine never seems to need charging, even after a few starts. Yet on the
> label it says charge for 12 hrs after each use. When not using it for
> a while the charge needle never seems to drop below 100%. I charged it
> for a couple of hours once from the mains after using it a bit, but
> the battery was starting to gurgle and needle was quite a bit over
> 100% and remained their. Would of thought a full 12hrs on charge might
> cook a little battery like that? Have had about a year and hardly ever
> charged it, Most only use a tiny amount of power to get the car going
> again, as car battery just a bit weak rather than totally flat I
> think.
It only takes a small amount out of the jumppack to start an engine in good
nick apart from the flat battery, and if you don't whip the leads off too
quickly the alternator will put back in what you took out. I very rarely
charge mine either.
Steve
.
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