Quote:
Originally Posted by OVT
Those timers can be found for ~$5 on the web. A battery will only help to save the programming, not power the timer  , an analog timer will keep its settings regardless. I'm using 3 of the above with minimal issues.
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But if power goes down time will be wrong. Mine seem to always wind up in the most inconvenient places for a reset. During DST my lights just come on later and turn off later.