How To Size A Solar Panel For Your Battery
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How do you determine the power output required from a solar panel to recharge a battery based on the current load?
This is a great question and important when thinking about what solar panel to select for your system.
First, you need to determine the power required for your application. If you know the current load, say, for example, you have a device with an average current draw of 2A at 5V and operates for 2 hours per day.