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ewarnerusa's avatar
ewarnerusa
Nomad
Sep 13, 2016

SOLAR - Switch from PWM to MPPT, series vs parallel matter?

I put together a solar setup on our TT when we bought it new. I went with 2 x 140 watt 12V nominal panels in parallel and a PWM controller. Panel specs: Max Power: 140Wp Open Circuit Voltage (...
BFL13's avatar
BFL13
Explorer II
Sep 14, 2016
Does your existing solar get your batts "full" by 1PM? If so, you could "optimize" by getting another battery and then the bank would be full by 3PM. More bang for the buck could be by getting a bigger battery bank is another way to look at it.

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