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Jump starting


Peter Pan

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The jump start power packs will get you going if your battery is able to turn the engine over but not quickly enough to fire. If its completely flat then it won't help as the flat engine battery will effectively "suck" all the power out of the jump start pack leaving no power to start the motor. These power packs can be a useful means of power for other purposes though such as powering a laptop or charging mobile phones, cameras etc or even to run a small TV without clobbering your on board battery.

 

D.

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Does anyone know if this would be man enough to inflate motorhome tyers. It says 200psi on the web page but I have tried other portable compressors which aren't up to the job. I run at 65psi rear & 60psi front and the one I have got at the moment either blows the fuse or struggles at around 60psi.
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its says in the book to not run the compresser for more than 10 mins at a time. I have a powerpack but use it for the computor,tv and other things in order to save the leisure battery for its more important functions like lights and water pump etc. I have put air in my mothers escorts tyres with it but we were only talking around 5 - 10psi below correct inflation.
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chatterdog - 2008-11-25 3:40 PM

 

its says in the book to not run the compresser for more than 10 mins at a time. I have a powerpack but use it for the computor,tv and other things in order to save the leisure battery for its more important functions like lights and water pump etc. I have put air in my mothers escorts tyres with it but we were only talking around 5 - 10psi below correct inflation.

 

Hi Maggie,

 

I didn't explain myself very well but I would probably only use it for topping up the tyres. I just wondered if it worked ok when you go to 60psi and above.

 

John.

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John H - 2008-11-25 8:50 AM

 

Does anyone know if this would be man enough to inflate motorhome tyers. It says 200psi on the web page but I have tried other portable compressors which aren't up to the job. I run at 65psi rear & 60psi front and the one I have got at the moment either blows the fuse or struggles at around 60psi.

 

Cannot say about the Maplin unit, but Halfords sell a 12V tyre pump with automatic cut out at any preset pressure. Max pressure (I Think) is about 90 psi. Does my tyres @ 65 psi noproblem, although with the bigger volume to fill (as opposed to car tyres) I have the engine running when the pump is running.

 

Rgds

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Leisure batteries are not really designed to provide the high current instantly demanded by your starter , they are designed for a much smaller and steady demand so damage may result.

BUT

You could put your jump leads onto the leisure battery and your vehicle battery and just leave them connected for a while so that the current would equalise between the two batteries, in time, and then remove the leads and start up

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Ranger - 2008-11-25 9:33 PM

What is wrong with jump starting off your leisure battery?????????Both my batteries are under the bonnet.

I did exactly this a few years ago when I inadvertently left the side lights of our WV converion switched on. :$

There did not appear to be any damage to the leisure battery - it was still going strong when we sold the 'van 3 years later.

I would agree that it's not the thing to do under normal circumstances but as a one off to get you going it's probably OK.

Cattwg :-D

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Perhaps it's an issue with size of engine, but I bought one of those starter packs about 3 years ago for my VW T4, and it is probably the best thing I have ever purchased.  It never fails to start the engine, and has got me out of one or two situations where there were no other motorists to help.

 

Perhaps they aren't powerful enough to turn over a large diesel, though I was led to believe that some of them definitely could.

 

I can't imagine life without the security of one!  Not that we have many flat batteries, perhaps 4 over the last 8 years, but neighbours, friends and others have used mine.  From no-go to go in a couple of minutes!  In the wilderness.  Not bad!

 

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