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Quote: Originally posted by boff on 06/2/2016

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Oh dear you have opened a can of worms

First thing is what size solar panel have you got?   I had a 135W panel that worked well with a 10amp controller I've had a couple of steca controllers and have recently installed a Morning Star controller in our new van. These are not cheap and I am sure a lot of cheaper controllers will do the job.   This controller seems to be sold under a number a guises including I believe Truma contoller

Goodluck

Ps some will tell you that you must have Mppt controller rather than a PWM controller. MPPT controllers are more expensive. I have always used a good quality PWM controller and we rally 12 months a year and never have had a problem with a flat battery.

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