In order to regulate the voltage from the solar panel normally a voltage regulator circuit is used in between the solar panel output and the battery input.
Solar panel voltage regulator 24v.
Mohoo solar charge controller 30a solar charger controller 12v 24v solar panel intelligent regulator with dual usb port and pwm lcd display upgraded 4 1 out of 5 stars 251 15 99 15.
12v single battery 24v double battery to be given to two schools i want to charge the battery from both the source solar preferably during day time and mains supply during rainy.
Mohoo solar charge controller 30 amps solar charger controller 12v 24v solar panel intelligent regulator with dual usb port and pwm lcd display upgraded this product the mohoo solar charge controller is great for those looking to wanting a clear and easily programmable lcd display.