AGM battery advice
Well, it looks like the two Interstates are cooked. I'm considering upgrading to AGMs. Looking at some of the pricing, like the EXIDE brand is scary, but OPTIMA lists a nice 750CCA batter for onl...
Forum Discussion
frank33v wrote:billtex wrote:
As Mark noted, AGM's are great. But anyone planning to invest in them should be sure to install a proper 3 stage charger/converter compatible with AGM charging profile FIRST.
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What would you recommend as a proper 3 stage charger/converter? The one that came with my Northstar says it's three stage but the 3 voltages don't seem to coincide with what Trojan recommends. Trojan recommends absorption at 14.1-14.7 and float at 13.5 for a 12v battery.
If your Northstar has the same brand (WFCO) converter my previous Northstar 8.5 Arrow did it should work OK with AGM batteries. I used two Lifeline Grp 27s in that camper for almost 7 years with no problems. I transferred the same batteries into my AF 990 where they are still going strong at over 8 years.
