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
It would be crazy to go down to 10.5v resting when there is no need to and wreck the batteries. The 10hr/50% version is valid.
If you don't have an AH counter for the test, the time it takes to get to 50% at the 20 hr rate compared with 10 hrs can be used as described above. If you do have an AH counter, you can cross-check that with the time method to have more confidence in your result.
Some time back we had threads about whether the 50% SOC point was really half way down in terms of time. Best not to go there again!!! :(
If you don't have an AH counter for the test, the time it takes to get to 50% at the 20 hr rate compared with 10 hrs can be used as described above. If you do have an AH counter, you can cross-check that with the time method to have more confidence in your result.
Some time back we had threads about whether the 50% SOC point was really half way down in terms of time. Best not to go there again!!! :(
