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Old 17 August 2004, 04:52   #11
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Tim
To save you money, It might be worth thinking about temporarily swapping you rib battery for the car battery (if it fits). It is much easier to bump start a car and car alternators really pump out the power. If after a few miles (maybe 200 ish) the battery is not holding its charge get a new one. Des
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Old 17 August 2004, 04:57   #12
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How about a solar panel trickle charger for the boat?

All the time it's sat doing nothing (like mine) it's charging the battery. Tops up for usage of the bilge etc.

It's free and simple.
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Old 17 August 2004, 05:04   #13
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I thought I would be smart and fitted one of these on my last boat, I got it from Maplins and it went in the ciggie socket, anyway, the ciggie socket would only operate if I left the battery switch on, so I did this, came back a week later and the battery was as flat as a pancake. The reason? Well I had not realised that the interior carbon monoxide sensor came on when the battery switch was put on, this used more power than the solar panel was putting in, so.... dead battery lesson learnt however

So if you go this route ensure that nothing else is running when charging the battery
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Old 17 August 2004, 06:23   #14
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I don't think I can rely justify having two batteries on my 4.1m RIB; they're big and heavy, and all I have to power is the engine, nav lights, and VHF.
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Old 17 August 2004, 07:25   #15
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Quote:
Originally Posted by timofengland
...I don't think my battery's "shagged" quite yet Meme; it's only been flat a couple of days, ....
It will be if you don't get some charge into it soon.
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Old 17 August 2004, 11:07   #16
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i had a flat battery when i left the gps on. i just ran jump leads from the car on the slip to boat in water beside the slip and she started no problem. Take for a good blast to recharge battery and right as rain.
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Old 17 August 2004, 11:46   #17
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Tim, surely you should be asking yourself why is the battery flat ?

Pete
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Old 17 August 2004, 12:44   #18
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Why not pull start it?

Why not just pull start it and let it charge the battery itself?

BTW - I have jump started my engine after the battery has been left for several months and I had to start the engine in freezing weather. Just pinched a battery from one of the cars and connected this to the boat battery and it started easily.


Duncan
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Old 17 August 2004, 12:54   #19
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Yeah, outboards will happily start off a PP9.
But they tend to have very small charging circuits so you need to run for an extended period before the battery is fully charged again.
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