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Trojan list the recommended bulk charge voltage for AGMs as 14.1 to 14.9 volts. Magnum list the bulk charge voltage of 14.2 for AGM #1 and 14.4 for AGM #2. Lower charge voltage is always better as it allows more time for the recombination of the water ions formed during discharge. Of course the lower bulk charge will mean a longer charge time. As best as I can tell the absorption voltage is the same as the bulk. The float voltages are the same for both AGM settings.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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