I need to buy a battery for the Velo Clubman (500cc). At some point it was converted to 12v, what rating should I be looking for? Obviously there's no electric starter, just the head and tail lamps from memory, so what would be a suitable amp-hour rating to go for??
thanks, R _________________ Rick (Admin. oldclassiccar.co.uk)
Various 1930s-1960s relics - Austin, Morris, Bedford, Dodge etc.
Joined: 27 Dec 2008 Posts: 1116 Location: Chesterfield
Posted: Sat Sep 10, 2011 10:52 pm Post subject:
Can't answer this directly Rick. But logically, using only half as many amps to drive things, then only half the amp hours specified for the original at 6 volts.
However bearing in mind that you likely have a more powerful headlamp bulb, used more frequently with modern traffic I would settle for the same capacity as original. Especially if you intend to fit flashers for safety (I won't ride a bike these days without them - young drivers think you are waving at them!)
The modern Gel batteries are much more compact then the old lead/acids so space should not be a problem. In fact a 12volt Gel battery will comfortably fit inside a dummy 6volt case to maintain appearance. With other advantages too.
Anyway, a pint is always better than a half, isn't it?
Jim. _________________ Quote from my late Dad:- You only need a woman and a car and you have all the problems you
are ever likely to want". Computers had not been invented then!
Joined: 28 Aug 2008 Posts: 378 Location: Northern MA, USA
Posted: Mon Sep 19, 2011 11:14 pm Post subject:
I think I'd just go for the largest (&/or largest amp/hr capacity) that will fit the case. This will give you the most reserve if the dynamo croaks. A deep-cycle design wouldn't hurt, but they get expensive.
Make sure the terminals are in the right places! _________________ Mike
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