Hello Wrenches, I've been asked to design a battery based PV system for a load that has a high start up surge of about 62A @ 115V. The thing is, once it is running it will only run for ~10 minutes per day at 11A. So the daily loads are very low. How do I size a battery bank large enough to handle the large start-up surge, yet reasonable enough to cover the modest daily load? Is there a rule-of-thumb for this?
Best regards, Mark Dickson, NABCEP Certified Solar PV Installer T Oasis Montana Inc.
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