Progressive Dynamics and AGM batteries
I have a Bigfoot 15C9.5 truck camper with a 45amp Progressive Dynamics converter PD4645V with charge wizard. It's less than one year old. And I believe it is a four stage charger. I have two question...
Forum Discussion
NEOK wrote:
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1.Will the charger in that converter work with AGM battery?
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2.Could the charger keep both batteries charged?
Thanks
If the AGM is inside and usually near 25C/77F, then yes.
1. Many AGMs require or recommend a temperature compensating charger. My AGM dropped from 10C to 0C today. The solar controller has temp-comp and it set the charge volts to 15V today in OKC. It would have set higher, but I cap the Volts at 15 to protect onboard electronics.
The PD does not do that and 14.4V may be too low in Winter. Do you know the specs of your AGM?
2. Yes, if the the load and charge(POS) lines are on one battery and the load ground(NEG) are on the other one. This keeps the round trip line length 'balanced'.
Otherwise the batteries will not stay balanced. One battery will be wear out faster than the other. Batteries in parallel work best when they are in the same condition/health.
HTH;
John
