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hi


You are replying to:
Chemi
Posted 12/16/2018 9:48 PM (#926053 - in reply to #926035)
Subject: RE: What size battery?





Looking up the power draw from the Garmin website, it says:

Current draw @ 12V: 0.55A
https://buy.garmin.com/en-US/US/p/592107#specs

So an 8 Ah battery would be severely depleted after about 15 hours operating just this. An 8-hour day would use up half the capacity. I think I'd get something bigger than that. Unless it's a deep cycle battery, it wouldn't be a good idea to discharge it deeply on a routine basis.

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