PD4655 Charging Graph
I have been reading quite a bit about different converters and charge rates, specifically some claims that PD's seem to drop off earlier than other brands. That is not what I have noticed on my setup,...
Forum Discussion
pnichols wrote:
Perhaps all AGM batteries are not created equal.
Yeah, maybe a bit, but the physics of the design is still the ruling factor. If you go to the link on the last table I posted, it actually says "12.80+." I edited out the "+" in order to help line up the paste.
My point was not to argue 100% SOC voltages. No one is saying they are equivalent to flooded. But rather the 50%. Lifeline is the only one I found that said 12.2VOC is 50%. And that's not even supported by Concorde.
AGMs simply operate at higher voltages. Period. If you draw one down to 12.2V, IMO, you are probably in the neighborhood of 40% SOC.
Have we really solved the OP's question about why his chart went well over 100%?
Note that at 235 minutes he was at 102.3% SOC. But yet he was still pumping in almost 15A. At ~14.5V, BFL has always considered something like 5A per 100 Ah as about 90%. If true for AGMs, then the Lifelines were really at 90% at 235 min for a difference of about 12.3% below the figure in the chart. Maybe. :)
Another important note: The batteries are not at 100% at the end of this test.
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