Thanks Brian, I am leaning towards one of those lithium types mainly due to size but also the short charging times. Will look at the ones with a bit more grunt just in case the Rangie needs some help one day.
 
brianp38dse said:
I went with a mate to pick up an ebay purchase yesterday a bmw318i and battery totally flat so he pulls out one of these little lithium booster packs about the size of one of these new large smart phones but a bit thicker connects it up away she goes, I was well impressed he has used it to start a 2.5l dozzel that didn't even have a battery on it, a very use full bit of kit with usb ports and a couple of other bits I am going to find out what make it was about sixty quid:rolleyes: Christmas is coming:)
Click to expand...
Please do, I'm sick of jump leads.
 
You could get one of the new capacitor ones, as long as you have some life in your battery it charges the unit up in a couple of minutes and it then will boost start, they have no battery to deteriorate over the years so have a long life, they can also be charged from another vehicle if your battery is very low. Available from all the normal sources, mine is a Sealey and seems to work ok,
 
Capacitors can only give a very short boost and they naturally discharge over time. A good lithium pack should hold enough charge to still work after 6 months in the boot and as long as you aren't using it every day to start your car they should be good for 10 years.
 
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Bl@#dy hell, I wouldn't want 1000 amps going through those cables for very long!!
Mind you, it could only delivery that for an absolute maximum of 50 seconds before it was totally dead so I guess the electronics would switch it off within a few seconds at max current.
 
I still cant get my head round a battery that size being able to do that but it does, bl00dy witch craft that's what it is, just frightening the power it punches out.
 
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