Capacity Testing and 20 HR Rating
I'm thinking about doing a capacity test on my four GC2's. They have a 20hr rating of 215Ah. One thing I'm curious about is how the 20hr rating would have been determined. Being 6v, would they h...
Forum Discussion
BFL,
Is that 72% according to the trimetric? I know your P10 is off a bit. Just changing P10 on mine, from 90% to 86% eff, made a huge difference in when amps appeared to taper... 89% soc vs low 80's, at a little under 14.4v.
72% is 128Ah's missing, whereas -103Ah's would be 77.5%, so a slight tweak of P10 would likely line things up... not that you need to concern yourself with that, but it is interesting to see how P10 plays a role. The manual points out that the 94% eff default setting is likely too high, and that 80-90% is more likely the case. Looks like I'm right in the middle of that, doing 70-99% cycles.
I've been wondering if the vector style profile is playing a big part in the numbers I'm seeing? Would the standard cc/cv profile give similar results??? And I don't really know how the pm3 is going to behave after being modified... I'm guessing the same as the pm4b? Does your 100 amper have a vector style profile, with volts rising throughout the entire charge? ( And I don't remember if that one was the one you modded?)
(btw, trying out my first solar run, today.)
Is that 72% according to the trimetric? I know your P10 is off a bit. Just changing P10 on mine, from 90% to 86% eff, made a huge difference in when amps appeared to taper... 89% soc vs low 80's, at a little under 14.4v.
72% is 128Ah's missing, whereas -103Ah's would be 77.5%, so a slight tweak of P10 would likely line things up... not that you need to concern yourself with that, but it is interesting to see how P10 plays a role. The manual points out that the 94% eff default setting is likely too high, and that 80-90% is more likely the case. Looks like I'm right in the middle of that, doing 70-99% cycles.
I've been wondering if the vector style profile is playing a big part in the numbers I'm seeing? Would the standard cc/cv profile give similar results??? And I don't really know how the pm3 is going to behave after being modified... I'm guessing the same as the pm4b? Does your 100 amper have a vector style profile, with volts rising throughout the entire charge? ( And I don't remember if that one was the one you modded?)
(btw, trying out my first solar run, today.)
