#grownostr #solar is a car battery considered a flooded battery with a solar charger? How do you ensure you don’t drain the battery too much? Voltage level? I have a battery Bluetooth that will tell me the charge levels. Just replaced my van battery and am using that for the battery bank solar.
Any other considerations that I should know? Thanks! 
If that's a standard lead acid car battery you will see 12.8v when it's fully charged, 12.4v at 75% and 21.1v at 50% - don't use it if it's at 50%, you'll damage it. With the solar running in you may see up to 14.8v while charging, are you using a charge controller? That'll tick it over to top up at about 90% full, and you'll see the voltage go up and down while it's on float charge
I run my gate opener with a single solar panel, car battery, and a solar charge controller. This is the one I have and it has done just fine keeping the battery from discharging too far even in the middle of winter.
