Solar Charge Controller Specifications. Solar panel rating: 50W (4A, 12V nominal) (open circuit voltage: 18 to 20V) Output voltage range: 7 to 14V (adjustable) (not recommended for 6V applications) ...

Solar charge controllers are used in off-grid solar systems to ensure that batteries are charged at the correct voltage and current. ... you cannot use this power output to charge a 12V battery.

Suggested components are indicated on the schematic. Of course, the charger may be scaled for actual requirements. Oscillographs. For the future. MPPT solar boost regulator (12V panel to 24V battery) ...

Solar panel kits, package included 30 watts solar panel, 12V/24V solar charger regulator controller and two 6.5ft cable with alligator clips and O-ring terminal for battery charging connection, ...

While sitting in my shop this morning I suddenly remembered an old 10a Rich Solar charge controller I have that has been replaced with a bigger one on my main solar rig. It has 12v and 24v settings.