I routinely run my bank down to 15% but I have 2600 watts of PV array to replenish. I will most likely add a 7k gen set as a backup means when there is little to no sun.
Not to rehash but perhaps are you running other loads off of the generator when you were charging?
__________________
SOB
2015 Volvo VNL780 D13, iShift, 32k ET air hitch, Idle Free LiFePO4 APU
16.8KWhr LiFePO4, 2.52 kw solar, 10kva Victron split phase
|