"John_H" <john4721@[EMAIL PROTECTED]
> wrote in message
news:hl7us35ocrnfdsjnacdp5j6fejfs6m223o@[EMAIL PROTECTED]
> John McKenzie wrote:
>>
>>The ones I get (lead acid) last 10 years on average, sometimes more. I
>>dunno what the hell is different about them (but I must indicate they
>>aren't made in chinese love factories, they are made by a local bloke -
>>Moon Batteries - bloody competitive pricing (well not compared to the
>>**** ones, but compared to anything of similar quality) too.
>
> I'm also guessing that you own a lot more woollie jumpers and
> longjohns than I do (or are much hairier). :)
>
> Temperature is probably the biggest single factor that determines
> battery life, all other conditions being equal. I've never had 10
> years out of one, even in 24 volt systems which typically last around
> 30% longer than 12 volt (due to the reduced maximum load current
> draw).
>
> Back in the days of my impoverished youth, we used to perodically
> drain our motorcycle batteries and hose 'em out to get rid of the crud
> that collects in the bottom (and eventually shorts the cells).
> Because I worked in a laboratory at the time mine got refilled with AR
> grade sulphuric (analytical reagent).
>
> Can't say I can recall ever buying a new one, but none of my bikes had
> electric start either.
>
> I do have a mate who once dealt in batteries (and tyres) on a large
> scale (he had his own battery brandname at the time). His advice on
> choosing the best lead acid battery was to take your scales when you
> went shopping and buy the heaviest one for the money. I've never
> tested his advice, but I'd suspect it's reasonably sound. :)
>
> --
> John H
Ultima batteries are spiral wound and are fricken heavy, they are also
amoung the best so maybe his teory has wieght ;o)
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