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Old 10-20-2020, 04:54 PM   #1
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Solar Battery Tender

Hey all,
I've got an ePro 19FD with 2 6V golf batteries. We've been camping more and more without hookups. I've been using the Renogy 100w suitcase and it works really well once we're set up and it's had time to charge.
I'm looking for something to hookup while the unit is stored to keep the batteries from completely discharging.
Anyone use something like this just to keep the batteries charged while in storage?
https://www.amazon.com/Sunway-Solar-...-garden&sr=1-5
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Old 10-20-2020, 05:22 PM   #2
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Unfortunately this will be of little use for what you are trying to accomplish. The general thinking is anything less than 40 -50W panel will not provide any benefit. If you have power where you store I recommend a uC based battery maintainer. If not you are better off disconnecting the battery and charging it once during storage. The few members who have tried this type panel have ended up selling it.
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Old 10-20-2020, 05:31 PM   #3
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Quote:
Originally Posted by Flybob View Post
Unfortunately this will be of little use for what you are trying to accomplish. The general thinking is anything less than 40 -50W panel will not provide any benefit. If you have power where you store I recommend a uC based battery maintainer. If not you are better off disconnecting the battery and charging it once during storage. The few members who have tried this type panel have ended up selling it.
Thank you - I'm planning on adding solar to the roof next Spring, might have to move that timetable up a bit...
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Old 10-20-2020, 09:55 PM   #4
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My factory 100w system keeps three 27 series agms fully charged in storage with battery switch turned off.
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