Last night I let my two 12v in series 24v batteries drain until one of them shut down. This morning my epever cc was flashing 'battery voltage out of range'. I disconnected the pv line then the battery line from the cc. Then I hooked up my 12v charger to the zero soc battery and charged it for a...
Thanks for the reply. I am not savvy enough to understand the last part of your answer. I will see if I can set my sungold 24v 4000w inverter to not drain so far down.
This is the one that I used to initially charge my batteries and to wake up the sleeping one. I have the 20A version but they have a 2A and 5A version also.
ExpertPower 12V 20A Smart Charger for Lithium LiFePO4 Deep Cycle Rechargeable Batteries