More fun with Renogy MPPT and LFP
Toying with a new to me 12V compressor car fridge. Cheap Chinese box, LG compressor, 50L volume split ~28L fridge, 22L freezer. The goal was to see whether my added insulation made any difference: Ref...
Forum Discussion
time2roll wrote:
If you are running into low voltage issues.... need more battery.
I wasn't interested to see how long the battery would last. It was testing of the load itself, the fridge. Battery wasn't half-full and there was no charging at any time.
What pissed me off was that Renogy allowed $600 battery to drop as low as 11V, rather than disconnecting the load at 12.6V as per Renogy settings.
Possible reason: confusing Chinglish of the app with no LVD but with "Discharge Limit" and "Over Discharge" instead, the former being a mystery and the latter (probably) an inept name for LVD. I thought that LVD was a "Discharge Limit" and set it at 12.6, but the LVD apparently was an "Over Discharge" (set below 12, don't remember now).
Also, settings in User-defined mode would revert back to defaults if I dial in a different battery type, ex. Gel or Flooded and then return it back to User-defined mode. If you do this, all User settings are lost - LVD would change to 11V, Boost time to 120 minutes and Temp Comp to 3C. Very dangerous. But, hey - who would ever change their battery, right?
