Thanks. How do you apply and then remove the 25 watt resistor when connecting the battery with the Giandel? Which smart plug do you use for recharging the battery, and how?
Giandel actually recommends 500 Ah of batteries for the 5000. However, your system is only 220W, the present 200 Ah battery at 12.6V should last about 10 hours for continuous full power music at maximum output. For most music, the average power requirement would be much less, so you would get probably 40+ hours of continuous music. If you listen 1-2 hours/day, I would think that the single 200Ah battery should be enough for several weeks without needing a recharge.