Forum Discussion

Naio's avatar
Naio
Explorer II
May 12, 2018

Is a Johnson AGM starting battery fully charged at 12.68v???

Buying a new chassis battery, it took me forever to find somebody who actually had an AGM one in stock, as opposed to just claiming they did. Got it yesterday. Johnson Control, sold under the Dur...
time2roll's avatar
time2roll
Nomad
May 12, 2018
I would go 14.4 until you see less than half amp.

I have doubts automotive starting batteries really get to 100% charged. More like 96% to 99% and they do just fine due to limited cycling.

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