Very Inexpensive Battery Maintenance Charger
1.0 ampere output. 13.8 volts regulated charge limit. This unit is good for 100 amp hours worth of batteries. IMO the voltage is a tad high for a high antimony RV battery with temps 60F or higher but ...
Forum Discussion
pkunk wrote:
13.8 should be just perfect for an AGM.
Perfect for some AGM batteries, but not for all.
For instance the highly touted Lifeline AGM batteries, according to their company literature, should be floated at 13.2 volts.
Our AGM RV batteries require 13.8 volts for float - and they get charged often at that voltage, too, which works because of low AGM battery internal resistance.
