Solar Charge Cotroller
Hi All, I recently purchased a Trace 20 am MPPT Solar Charge Controller from Amazon. I have two Sears Group 31 Platinum (same as Odyssey) AGM 12v batteries fora total of 200 amp hours. A few...
Forum Discussion
For AGMs, put in on the flooded settings. 14.6 bulk should be OK for AGMs, 13.8 float again good, maybe a little high. The 13.8 would be way high for flooded batteries in my opinion, unless you like putting water in them every week. For AGMs, you really should have temperature compensation if you are leaving them on float. Odyssey for example says 13.7 at 20deg C, 14.4 at 0deg C, 13.4 at 40 deg C. That's a pretty big range.
The number one killer of AGM batteries seems to be failure to charge completely every couple of weeks, number two is float voltage inaccurate for conditions (temp). Flooded batteries are tolerate of both.
Odyessy information is available here.
The number one killer of AGM batteries seems to be failure to charge completely every couple of weeks, number two is float voltage inaccurate for conditions (temp). Flooded batteries are tolerate of both.
Odyessy information is available here.
