Forum Discussion

BFL13's avatar
BFL13
Explorer II
Jun 04, 2020

How Can You Tell if an AGM is Really "Deep Cycle"?

We know about marine/RV batts being not so good at that compared with "real" deep- cycle batts like T-105 6v or T-1275 12v batts. I am suspicious that AGM "deep cycle" batts might be more like mari...
GordonThree's avatar
GordonThree
Explorer
Jun 04, 2020
Seems to be a lot of anxiety over how many thousands to spend on batteries.

The East Penn "Sam's club" AGM (4x g31 size) I bought in 2013 are still working fine, having been deep cycled regularly their entire life AND maintained only by the so-called smart charger in my Magnum.

Having paid less than $200 a piece for them I'm very happy with the return on investment.

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