Can A Solar Panel Overcharge A Battery?
Can you overcharge a battery with solar?
What Is The Correct Way To Charge Batteries With A Solar Panel?
Initial Charge Voltage For A 12 Volt Lead-Acid Battery is 14.4 Volts
After charging up fully the regulator drops the voltage down to around 13.6 volts
What about lithium phosphate batteries?
A charge voltage between 13.8 and 14.7 volts will charge a 12 volt LiFeP04 battery.
Is It OK To Use A Very Small Solar Panel?
Yes, if the maximum current output is lower than the float charge current for the battery. In this case a charge regulator is not required