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How Many Watts Do I Need?

The answer depends on the needs of the individual. We've provided general guidelines on each product page based on the size of battery bank. If your battery bank can go either way, we suggest a higher wattage for faster and reliable charging. We do emphasize that you do not undersize or oversize, as that can lead to sub-optimal performance, or possibly battery damage.

Understand how batteries and solar work together with this video.