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Topic: Super capacitor to replace RTC coin battery? (Read 10340 times) previous topic - next topic

Jack Christensen

Some RTCs have built-in battery charging circuits, perhaps a super capacitor can be substituted.


I saw one suggestion to use a DS1302 because it has a charging circuit already in the RTC.  I don't know how if differs in power consumption or if you might be able to charge the cap to a higher voltage and give you a long power off time.


I know a coin supercapacity.I hope it can help you.


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