What Size Charge Controller for Generator—>RV Battery?
I recently bought a cabin with no power connection. I am planning on a 2000w generator—>charge controller—>RV Battery—>inverter. (I will add solar a bit later.) Seems sensible to add a battery, rather than having a generator running all the time.
I’m clear on the generator and the inverter, but I am not understanding what size charge controller I need. I was planning on a DieHard 12v RV battery – reserve capacity 200 min, 115 amp hours at 20 hour rate. The charge controllers I am seeing are as small as 7 amps and up to 30 amps (and seem to be intended for solar, rather than a generator charge).
How do I choose what charge controller I need for this battery and generator?
Charge controllers that are meant for Solar charging are significantly different to Battery Chargers meant to be used on AC. I suggest using an Automatic battery charger and adding a Solar charger controller at a later date.
Since you won’t want to be running your generator for many hours, get a reasonably beefy one. e.g. if you were to base the charge rate on the C/20 rate your 115 A/h battery would take 20 hours to charge at 5.7 Amps (+ a bit to allow for conversion efficiency) (assuming full discharge, which you don’t want).
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Tags: energy · green · power · rv · rv solar · rv solar battery charger · rv solar charger · rv solar kit · rv solar panels · solarNo Comments
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