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Old 03-25-2020, 05:03 PM   #1
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Continous shore power

Greetings all. My FR flagstaff micro lite DS stays plugged in to my home 15amp electrical service continously. Having trouble confirming that my converter will maintain and not overcharge (ie burn up) my battery.
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Old 03-25-2020, 05:17 PM   #2
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it would help if you told us what converter you have.

but if you are concerned about it why not disconnect a battery lead for a month or two, then reconnect it for a day or so and let the converter top of the battery. you could then disconnect for another month or two and repeat the cycle.
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Old 03-25-2020, 05:22 PM   #3
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Quote:
Originally Posted by Sray01 View Post
Greetings all. My FR flagstaff micro lite DS stays plugged in to my home 15amp electrical service continously. Having trouble confirming that my converter will maintain and not overcharge (ie burn up) my battery.
Once you have that battery charged, you can disconnect the negative cable on the battery and it stops the discharge.

You can still leave your rig plugged into the 15 amp and use the tt. Most everything will be powered on from the wall.
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Old 03-25-2020, 05:38 PM   #4
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My original converter almost did that......boiling over the batteries right before I caught it. Replaced with a good 4 stage Boondocker. No issues now.



P.S. A single point watering system and a jug of distilled water, helps a lot.
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Old 03-25-2020, 05:58 PM   #5
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Micro Lite should have a WFCO modern 3 stage converter.
Both my past and current trailers had WFCO converters and never overcharged my batteries.
If you're that concerned, upgrade the converter.
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Old 03-25-2020, 06:04 PM   #6
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Thanks for the replies! The converter is a WFCO model 8955PEC. Anyone have a good or bad overcharging issue with this unit? One would think that in 2019 converters would simply top off and float a battery charge...but you can never assume. ..
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Old 03-25-2020, 06:07 PM   #7
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I leave our Avenger plugged in all the time as well, and the WFCO has never boiled our battery dry either... in fact, the only time I've ever had to add any water was when we brought the camper home when we purchased it. I usually check the battery once a month, on average, or whenever I think about it, which is probably even more frequently, because I've read all the WFCO horror stories on here. But I have had no issues... maybe I got a good one?
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Old 03-27-2020, 01:35 PM   #8
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A way to check the WFCO is to leave it plugged in for a week. Output voltage (you can measure at battery or anywhere else) should be 13.1-13.2V. If voltage is up around 13.7V and load has been standard parasitic, then the WFCO is not going into float mode correctly.

I've had 2 WFCO 8735P converters (very different model) fail to go into float mode. I had to either disconnect the battery after a week or replace the converter. I installed a disconnect at the battery and replaced the converter.

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Old 03-27-2020, 01:44 PM   #9
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Quote:
Originally Posted by bikendan View Post
Micro Lite should have a WFCO modern 3 stage converter.
Both my past and current trailers had WFCO converters and never overcharged my batteries.
If you're that concerned, upgrade the converter.
No problem here either with boiling batteries dry in my MicroLite with WFCO 8955. Only complaint I ever had with it was that it switched from bulk to float long before it should leading to long generator run times when recharging.

No longer and issue though. Switched to LiFePo batteries and a "Lithium" converter.

FAST charge and nothing to "boil dry".
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