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Possibly Dumb Question re:Battery as a power supply

I have bought a new Clearaudio Performance DC Wood turntable.  I plan to drive to the dealer in Atlanta and pick it up next Wednesday.  I have seen the wall wart power supply which comes with the TT, and it is not a pretty sight.  Clearaudio sells an upgraded 12V battery and charger supply for "only" $1,200.00.  I don't wish to present myself as a parsimonious individual,  but $1,200.00 seems a bit steep to me.  I am wondering what problems would ensue if I bought a moderately sized (say 25 or 30 lbs.) , sealed, lead acid, 12V rechargeable battery; attached the proper wires to connect to the TT, and used it as a power supply.  When the battery runs down I could just take it to my workshop and use my electronic, automatic battery charger I use to recharge car, truck and tractor batteries to bring it back to full power.  As little current as the TT uses this shouldn't be too frequent a chore.  It is just a possibility, but if it is feasible I might try it.  I would really appreciate any and all comments, criticism or warnings.
kingharold

Showing 1 response by lohanimal

lohanimal
659 posts
 
@lubachl 
I actually have an Amazon Model One - it's a superb motor unit - I think that is a great buy because the Amazon motor is actually not your usual DC motor - I think the UK importer at the time advised me it was from a nautical clock. It is exceptionally smooth and quiet.
@kingharold - why more people don't rug up a car battery is beyond me - they can easily be tucked away. Lithium Ion is particularly good as the voltage drop is very consistent. Be careful though not to discharge them too much as they become unstable and in fact volatile. I know all of this from Radio Control car racing. Not all lithium ions are created equally and I am more than happy to recommend those used in RC racing that are of a good quality. 
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