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outwestbound's avatar
outwestbound
Explorer
Sep 03, 2017

question on interpreting MPPT controller display

Hi. This is intended to be general. If an answer can't be made without knowing the exact unit, then please let me know. My question may be poorly phrased. Does the amount of amps shown on the cont...
CA_Traveler's avatar
CA_Traveler
Explorer III
Sep 03, 2017
CCs generally show the output amps. BUT the output amps supply the house load and the battery charging. It only reflects battery amps/charging when the house loads are small or 0A.

My controller can also display the panel A, V and W. The input power will be the same as the output power after adjusting for CC efficiency losses. In other words the CC adjusts the needed panel power to match the output power.

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