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Old 10-18-2017, 06:21 PM   #1
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Battery Time

Welllllll, It looks like it's battery time!

My batteries have given up the ghost. They took a couple of really hard hits the end of last year and again the first part of this year. We just finished 5 days of dry camping and they were really struggling.

The research I've done seems to indicate that AGMs are the current favorite, lots of talk about Lifelines. I'm leaning towards the AGM$ and I'm prepared to open my wallet. I kicked around Trojan T105s but the no maintenance feature of the AGMs is very attractive. On the other hand I now have the MH stored at home and it will always be plugged in and on the charger. This would make it easier to monitor and maintain the Trojans.

My next question is, are Lifelines still the brand of choice or has some other quality brand hit the market? Something better, just as good but less expensive, or??

Would you that have AGMs ever go back to wet batts? Are there any of you that have wet batts. who would never go to AGMs?

Tanks, Terry
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Old 10-18-2017, 06:25 PM   #2
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To me, the Lifelines are the AGM battery. I got over 10 years out of my first set and only replaced them because of a little corrosion around a post.

Another AGM that people are talking about is Full River.

I would never go back to a wet battery
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Old 10-18-2017, 09:58 PM   #3
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Lifelines in our Alpine and I seriously doubt I would ever go back to flood cell batteries.
Checking the water level monthly, cleaning corrosion, just not anything I would want to go back to.
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Old 10-18-2017, 10:15 PM   #4
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Also check out Fullriver batteries. AGM, made in China, I think, but have a 7yr warranty.
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Old 10-19-2017, 01:51 AM   #5
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I would recommend avoiding any Chinese batteries, or tires for that matter. Too many reasons to list here. I currently have wet cells that were installed by the PO and are less than 2 years old. When they fail I'll be installing Lifeline AGM batteries unless lithium prices come down.

Wet cells shouldn't require a tremendous amount of maintenance. Tight connections and a corrosion inhibitor will help prevent corrosion problems. Adding water is simplified with the push button watering system. This should not be required very often unless the batteries are being overcharged or equalized too frequently.
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Old 10-19-2017, 05:44 AM   #6
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Early this year it was battery time for us as well. Weighed AGM vs. wet batteries. Capacity and longevity about the same, with AGM 2x to 3x the cost. As I don't mind battery maintenance and I have a slide out tray easing the servicing, I opted to stay with wet batteries. Bought six Interstate GC2 from Costco for just ~$82 each, iirc.
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Old 10-19-2017, 06:30 AM   #7
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Originally Posted by RVPioneer View Post
I would recommend avoiding any Chinese batteries, or tires for that matter. Too many reasons to list here. When they fail I'll be installing Lifeline AGM batteries unless lithium prices come down.
.
Lithium batteries aren't built in China ?
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Old 10-19-2017, 08:01 PM   #8
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Quote:
Originally Posted by vsheetz View Post
Early this year it was battery time for us as well. Weighed AGM vs. wet batteries. Capacity and longevity about the same, with AGM 2x to 3x the cost. As I don't mind battery maintenance and I have a slide out tray easing the servicing, I opted to stay with wet batteries. Bought six Interstate GC2 from Costco for just ~$82 each, iirc.
Curious which Interstate GC2 batteries you purchased for $82. They have a 205aH model and a 232aH heavy duty model, both priced from $130-150.
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Old 10-19-2017, 08:10 PM   #9
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Lithium batteries aren't built in China ?
Mostly. There are some domestic manufacturers and some initiatives to encourage more production in the US. I figure to be at least 5 years away from such a decision so who knows what will be available at that time.

I also have a co-worker who manufactures LiFePo based power sources with an inverter/charger for use in film and television production. He is currently using cells sourced from China as a means of reducing costs. They are assembled in the US.
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Old 10-19-2017, 08:14 PM   #10
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I've used East Penn - US Mfg of Duracell & other brands- FLA & AGM and had good luck with both
Sams carries these and they are about the lowest $/AH i think you will find for both FLA & AGM.

Sams cost about $85 for GC2 FLA and about $180 for 6 V GC AGM

I think you will find Lifelines are about 1-1/2 to 2 X the cost - maybe better but I don't think they will last 2x the East Penns
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Old 10-19-2017, 08:23 PM   #11
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Curious which Interstate GC2 batteries you purchased for $82. They have a 205aH model and a 232aH heavy duty model, both priced from $130-150.
Actually I think Interstate had three GC2 batteries at the time. Costco sells the lower capacity one. Interstate states all are same/similar rating in cycle life, etc. Primary difference is capacity.
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