We use an RV battery like Bradearles described with our Teres, and with its DC motor no conversion is required. As Selfdivider said, Teres belt drive models all run on battery, as do Galibiers and Redpoints. But they're all way beyond Shazam's budget.
The entry level Amazon was a good suggestion, check with Mehran at Sorasound (advertises here). Look into Scheu tables as well.
The entry level Amazon was a good suggestion, check with Mehran at Sorasound (advertises here). Look into Scheu tables as well.