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Jun 09, 2013Explorer II
Tenns Units
The Tenns unit I have operates on two reechargable AA batteries. It doesn't operat very long and requires constant upping the adjustment to get relief and finally give up in less than an hour.
Do they make a unit that is 110 or than has longer operating time battery units?
Do they make a unit that is 110 or than has longer operating time battery units?