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Thanks for all that. Just wondering - why use 18V for the amp charge calculation? I'm not disputing it, just want to use the right values for future calculations. (Resistance?) Interesting note on the higher charge rates and "under-charging" leading to a shorter life. I've always tried to baby...

Thanks for the suggestion. I'll look into how that could tie into our existing on board converter (WFCO 8955-AN). The usual suggested upgrade path is to replace the charger board with a Progressive Dynamics PD4655LIV to make it lithium compatible (14.4V charging, no float). However, with the...

The Rover 20 manual (https://www.renogy.com/content/RNG-CTRL-RVR40/RVR203040-Manual.pdf) states "Battery charging parameters can also be programmed using the Renogy BT APP. " BT APP manual: https://www.renogy.com/template/files/RNG-180206-BT-1%20APP.pdf I'm using the app now, and see only...

Thanks. Good point on the 14.28A. I didn't know if the charging rate recommendations were based on charging voltage or nominal battery voltage (so, I went conservative). 14.28A would be a charge rate of ~0.18C, which I'd consider acceptable. Victron hardware will definitely be used if/when we...

I think we're saying the same thing. The intent is to prevent an SCC-PV connection without a battery-SCC connection. That's what the relay does in my circuit. Without power to the SCC, the relay is open, and there is no connection from PV to SCC. Once powered, the load terminals can be...

Hi all. I'm trying to add a small PV system to my travel trailer for occasional boondocking use (lights and cell phone charging in the evening). The current house battery is an 80Ah AGM. (Upgrade to LiFePO₄ is in the future, but not yet). I understand an AGM charge rate should be from 0.1C (8A)...

I use a Wanderer 10 currently, with a 12VDC relay (10A contacts) wired from the "load" terminals, and set the load terminal setting to "15" (manual). The external relay contacts break the + from the PV. When the CC's powered on, the load terminal is always off. Pressing the Enter button on the...

I'm trying to do the same thing in my travel trailer. I use a disconnect switch at the battery due to some phantom loads in the trailer (it's stored indoors), so wanted a way to ensure that the panels were never connected to the controller when the battery was disconnected. I use a Wanderer 10...