Most likely the water tank is an off the shelf product, just like many other components. If you try to take some measurements you might be able to match it to a tank from an RV supply or even Amazon. (View Post)
Voltage and voltage drop are not the best indicators for the health of a lead-acid battery. What matters is how long can the battery supply a decent amount of current. This is the amount of charge or… (View Post)
You only turn on the inverter for short term 120V needs, e.g. a microwave, a coffeemaker or to charge a laptop. Running the AC will drain the battery in short time. Even with no load the inverter wil… (View Post)