6v Batteries and Solar Controller - Escape Trailer Owners Community
Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×

Go Back   Escape Trailer Owners Community > Escape Tech > Escape Systems | Water, Waste, Charging & Propane
Click Here to Login
Reply
 
Thread Tools Display Modes
 
Old 08-13-2022, 09:32 AM   #1
Junior Member
 
Join Date: Mar 2022
Location: Kamloops, British Columbia
Trailer: 2018 Escape 5.0
Posts: 16
6v Batteries and Solar Controller

Hi all,

I have a GoPower 30a solar controller, 4-6v batteries in series/parallel, and a 100w panel on the roof. My controller won't indicate above 90% on the battery level. It shows this even when the trailer is plugged in to house power and the voltage reads 13.7v (max level indicated).

Questions...What would be the 100% charge voltage for this configuration? How would I determine if it's the batteries or the controller that is the issue?
__________________

jdoe99 is offline   Reply With Quote
Old 08-13-2022, 04:01 PM   #2
Site Team
 
John in Santa Cruz's Avatar
 
Join Date: Dec 2017
Location: Mid Left Coast, California
Trailer: 2014 Escape 21
Posts: 4,185
the only way to get 100% of out lead acid batteries is an absorption phase charge cycle of 14.2-14.4V for a few hours after the bulk phase peters out. this requires a 3 stage 'smart' charge controller. the WFCO controller's in Escapes don't do this, the PD46xxV replacement modules do. Solar controllers won't, either, since the sun goes down before they ever get there and they essentially have to start over. anyways, a 100W solar panel, that is only 7 or so amps max, which is awfully low charge rate for 4 GC batts, probably totalling 450 amp*hour at 12V, maybe 5400 watt*hours.
__________________

John in Santa Cruz is offline   Reply With Quote
Old 08-13-2022, 04:14 PM   #3
Junior Member
 
Join Date: Mar 2022
Location: Kamloops, British Columbia
Trailer: 2018 Escape 5.0
Posts: 16
I'm considering adding a 190W panel on the roof which would give me 290w total into the built in controller and then use a 100w portable solar.
jdoe99 is offline   Reply With Quote
Old 08-14-2022, 03:02 AM   #4
Site Team
 
John in Santa Cruz's Avatar
 
Join Date: Dec 2017
Location: Mid Left Coast, California
Trailer: 2014 Escape 21
Posts: 4,185
Also, a solar controller can only guess at the batteries true state. you really need a separate battery monitor that has a shunt on the negative pole to measure actual current in and out, along with a wire to the + terminal to monitor battery voltage. I'm using hte Victron SmartShunt, which is bluetooth only, so you check on it with an app on your phone. Victron and others make similar units that have a dedicated display for basic battery state as well as the bluetooth interface for more in depth info.

With the smartshunt, I need to configure it for the type and size of batteries I have, fully charge them with the power converter, then 'synchornize' the shunt so it knows thats 100%, and its good to go.

John in Santa Cruz is offline   Reply With Quote
Old 08-14-2022, 12:12 PM   #5
Senior Member
 
Vermilye's Avatar
 
Join Date: Feb 2010
Location: Oswego, New York
Trailer: 2017 Escape 21C, 2018 Ford F150
Posts: 5,063
Check page 18 of the GoPower Manual. It states that the only time the display will show 100% is immediately after a completed boost & absorption run or after equalization. 100% on their scale = >12.8V. You can only get an accurate voltage measurement with all charging sources off, no load & the battery resting for an hour or two.

I agree with John that a shunt based amp hour meter is the best way to get an accurate measurement of the State of Charge of your batteries.
__________________
Jon Vermilye My Travel Blog
Travel and Photo Web Page ... My Collection of RV Blogs 2018 F150 3.5EB, 2017 21
Vermilye is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off




» Featured Campgrounds

Reviews provided by

Disclaimer:

This website is not affiliated with or endorsed by Escape Trailer Industries or any of its affiliates. This is an independent, unofficial site.


All times are GMT -5. The time now is 07:00 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2022, vBulletin Solutions, Inc.
Copyright 2012 Social Knowledge, LLC All Rights Reserved.
×