What size solar panel to charge 12v battery
The standard size solar panel is 21.65 x 39.76, where the best size solar panel to charge a 12V battery is the size used which must produce 13.6 volts or higher. 80-watt 12V solar panels measuring 21.65 x 39.76 inches are best suited to charge a 12-volt battery. Solar panels of this size t
