Solar charge controller selection help needed

skripo wrote:
I am looking to put in a solar system that will produce about 30 amps per day. I choose a semi-flexible 135 watt panel made by Sunpower which meets my capacity needs.

30AH/day would be typical with one 135W module, maybe a bit more if the sun is good.

My only problem is choosing the charge controller. My original choice was a 20 AMP Suntracer MPPT (yes it is a REAL MPPT) with the remote panel.
I know squat about that controller but is sems to have a rating large enough to handle a single 135W module.


My only issue is that I want to use the see consumption and use the low voltage battery disconnect, unfortunately my converter is 55 AMPs. If I want a 55 AMP or more charge controller the cost goes up obscenely.
Don't understand the thoughts, here. Please try again.

Realistically, what is the maximum draw I can see from 12V lights, heater fan, and other 12V loads. I know it is hard to estimate but what is typical?
Download this spreadsheet calculator and add up your total:Quartzfest calculator

Also, does the converter ever supply 55 amps for battery charging?
Yes, it's possible that a 55 amp converter delivers 55 amps at the output terminals. You will need adequate cable, a battery that will accept the amps, and a circuit breaker between battery and converter greater than 55 amps (some are only 30 amps)

Thank you.