I came up with using multiple batteries but multiplexed so that if the first battery drops below a reference voltage 3 7v the circuitry will select a different battery to use.
Parallel battery charger and solar panel.
Best 12v battery solar charger.
On the other hand if our two solar panels have both different wattage and different voltage then parallel connection is not possible since the panel with the lowest voltage would behave like a load and would begin to absorb current instead of producing it with the.
They can be wired in parallel.
They are usually wired in parallel to preserve the voltage of each panel but you can also wire sets of them together in series to increase the voltage to conform to the voltage of the battery bank if need be.
Let s look at a numerical example.
The operating voltage is 18 9v and the operating current is 5 29 amps.
If we have two solar panels with the same voltage but different wattage there is no problem.
Say you have 2 x 100 watt solar panels and a 12v battery bank.
During shading night when there is no generating power from solar panels the battery stored energy will be used as a backup power and it.
The following wiring diagram shows that the two 12v 10a 120w solar panels connected in parallel will charge the two 12v 100ah parallel connected batteries as well as power up the ac load through batteries and inverter during the day in normal sunshine.
Using converter you can charge mobile also.
Since each panel is 12v and the battery bank you want to charge is 12v then you need to parallel your system to keep the voltage the same.
Best 12v battery solar charger panel typically put out about 13 6v to 17 0 volts use to charge 12v battery or to run any 12v devices.