Forum Discussion
BFL13
Nov 05, 2019Explorer II
Nobody mentioned different charging difficulties between 12v M/RV "deep cycle" batts and 6v or 12v deep cycle batts.
It can matter if you don't have the right charging equipment or the time to get them up to "true full" for one or the other.
The M/RV ones need "low and slow" all the way to 16v to get to true full, while the deep cycle GC2s and 12v (like T-1275s) can get to true full with high amps much sooner at a "normal voltage" of 14.x
Not everybody :) gets his batteries to true full anyway, so in that case it would not matter I suppose.
BTW I see some still believe AGMs charge "faster". Not true. At 55 amps they charge the same. The difference is that in some cases (not all) AGMs can accept more amps for the same size (in AH) batt at a voltage (in Bulk Stage) so with more amps, yes it will charge faster.
If you have a 55 amp converter it will not put out more amps just because you swap to AGMs. It will still do only the 55 amps.
It can matter if you don't have the right charging equipment or the time to get them up to "true full" for one or the other.
The M/RV ones need "low and slow" all the way to 16v to get to true full, while the deep cycle GC2s and 12v (like T-1275s) can get to true full with high amps much sooner at a "normal voltage" of 14.x
Not everybody :) gets his batteries to true full anyway, so in that case it would not matter I suppose.
BTW I see some still believe AGMs charge "faster". Not true. At 55 amps they charge the same. The difference is that in some cases (not all) AGMs can accept more amps for the same size (in AH) batt at a voltage (in Bulk Stage) so with more amps, yes it will charge faster.
If you have a 55 amp converter it will not put out more amps just because you swap to AGMs. It will still do only the 55 amps.
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