String type solar charge controller
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
You would choose a 30 amp, 12 VDC charger in this example. Another example would be 4 - 250 watt solar panels = 1,000 watts / 24V battery bank = 41.7 amps + 25% = 52.09 rounded up = 60 amp controller. Note; Solar charge controllers are rated and sized by the solar panel array current and system voltage. These examples are simple calculations ...