PWM controller with no float
OK, I have a Morningstar Sunsaver 20a PWM controller. It's not the current generation, which is a 3-stage unit. It's basically a 2-stage without the float stage. It delivers full amps till the targ...
Forum Discussion
westend wrote:
Hey John, from what I've read about the Optima line, they can take a higher float voltage than other VRLA batteries before vent opening occurs.
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:B
Yes, Optimas are a strange breed. Generally, I won't recommend them for RVing. Too pricey for the AHs. I do get 750CCA from 43.5lbs.
Optima wrote:
Float: 13.2 to 13.8 volts; 1 amp maximum; (indefinite time at lower voltages).
I don't worry about the two stage MS SS-10 not having a third float stage. The second stage tapers Amps well below 100ma, in fact, so low that the Turnigy reads 0.000A and does not accumulate Ahs when topping up in the AM at home.
HTH;
John
