I have read threads on various sites that discussed using a MPPT charge controller with a DC power supply to charge batteries. It would seem to be a potentially good solution to have equipment with multiple uses. However I read that Midnight Solar does not endorse it and an issue with a "stiffness" in input power.
What about a PWM controller? Chargers with temperature compensation are more expensive but something like Xantrex 12/24/48 40 amp charge controller is $135 on Amazon. It gives the flexibility of charging different battery banks and so meets my goal of buying something that works with 12v and later could work with 24v. I was looking at a DC power supply that can output variable 0-32v @ 0-30a to pair with this. These two should provide equipment that can grow from 12v to 24v. The PWM charge controller can provide the charging automation. There must be something wrong with this... I have a feeling.
What about a PWM controller? Chargers with temperature compensation are more expensive but something like Xantrex 12/24/48 40 amp charge controller is $135 on Amazon. It gives the flexibility of charging different battery banks and so meets my goal of buying something that works with 12v and later could work with 24v. I was looking at a DC power supply that can output variable 0-32v @ 0-30a to pair with this. These two should provide equipment that can grow from 12v to 24v. The PWM charge controller can provide the charging automation. There must be something wrong with this... I have a feeling.
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