Eco-worthy 20a MPPT controller
Last month I purchased the Eco-Worthy 20a MPPT controller from their website for $89 plus $24 shipping. Right now it says $102.50 and free shipping. You can see them on ebay with free shipping and if ...
Forum Discussion
pianotuna wrote:
Hi DS,
You would have to use a buck circuit to keep the voltage constant into an inverter with light bulbs as a load.
Don't think that is going to work - load needs to change to keep the input voltage side the same regardless of the sourcing capability of the 'power' source, be it a battery or solar panel.
Was thinking of something generic. I test batteries all the time, but mostly small lithium or nimh cells and packs. No more than 5AH capacity but with high discharge capability. I own a CBA II battery analyzer but am limited to 140W.
Thinking of building an electronic load with a much higher wattage capability. Feedback would be on the current sense leg if I wanted a constant current electronic load. Feedback would be the input voltage side if I wanted to make an 'infinite' AH rated battery simulator for solar testing. Basically the load would increase or decrease to keep the input voltage the same.
