Steph and Dud B Posted February 28, 2022 Share Posted February 28, 2022 What happens when you're plugged into shore line and it's a sunny day? Does the charger take as much solar as it can, then supplement with shore power? Or does it just go on shore power and ignore the solar? Stephanie and Dudley from CT. 2022 LE2, Hull #1150: Eggcelsior. Tow vehicle: 2016 GMC Sierra 6.0 gas dually 4x4. Our Oliver journey: Steph and Dud B's RV Screed Where we've been RVing since 1999: Link to comment Share on other sites More sharing options...
John E Davies Posted March 1, 2022 Share Posted March 1, 2022 They are separate systems, but they do interact gracefully. The converter (charger) voltage is high enough that the solar sees the batteries as charged, so nothing happens from the roof. Disconnect shore power, the voltage drops, and the solar picks up automatically. Everything is based on the battery voltage. You don’t have to worry about any of it. John Davies Spokane WA 3 "Mouse": 2017 Legacy Elite II NARV (Not An RV) Two Beds, Hull Number 218, See my HOW TO threads: https://olivertraveltrailers.com/topic/john-e-davies-how-to-threads-and-tech-articles-links/ Tow Vehicle: 2013 Land Cruiser 200, 33" LT tires, airbags, Safari snorkel. Link to comment Share on other sites More sharing options...
Moderators Mike and Carol Posted March 1, 2022 Moderators Share Posted March 1, 2022 I left my charger on all the time when I had AGMs. Between the solar and charger the batteries were almost always in a good state of charge without me worrying about anything. With lithiums, the Battle Born rep recommended turning the charger on only when needed to charge. So, ours is off 90% of the time. The solar charges the batteries to 100% pretty quick on a sunny morning and on cloudy days by early/mid afternoon. I’ve used the charger on really dark days a few times. Mike 3 Texas Hill Country | 2016 Elite II #135 | 2020 Ram 2500 6.7L Link to comment Share on other sites More sharing options...
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