I'm adding a large lithium drop-in house bank and considering removing the VSR between the house and start battery and just connecting them into one bank. The bank will be set for the lithium specs of 14.1v absorption and 13.5v float which seems to be "close enough" for the sealed, flooded start battery (not AGM). This way there will always be a lead acid battery to absorb a surge, protect the alternator, and provide power should the BMS shut off.
I'm not worried about the single bank being drawn down such that I can't start the engine. There are low voltage alarms and it even texts me on my cell phone. If worst comes to worst, the genset is on its own independent start battery.
Will the start battery's life be significantly shortened by these charging voltages? Am I missing something?
I'm not worried about the single bank being drawn down such that I can't start the engine. There are low voltage alarms and it even texts me on my cell phone. If worst comes to worst, the genset is on its own independent start battery.
Will the start battery's life be significantly shortened by these charging voltages? Am I missing something?