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Old 06-23-2020, 03:50 PM   #1
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Join Date: Mar 2014
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Maintenance Free 6 volt batteries

What brand 6v Maintenance free batts have you had success with, and what does a battery monitor do?
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Old 06-23-2020, 04:04 PM   #2
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Trojan agm. However, a lot more expensive than the normal flooded lead acid. The better battery monitors (I have a BMV-712) can give you more info than you could make practical use of! Current flow, in and out. Voltage levels, low voltage alarms or cutoff. Bluetooth with phone apps.

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Old 06-23-2020, 05:10 PM   #3
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I have had good luck with the batteries at Sam's Club and Costco. With that said Trojan are a higher-quality however that comes with a large price tag. A battery monitor allows you monitor the health of the battery and how to maintain it. Which in turn leads to a longer usable life For the battery.
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Old 06-23-2020, 05:28 PM   #4
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I have the Amazon BM-2 battery monitor. Voltmeter. Enough for the non hard core boondocker with solar panels. Allows you to know when to charge. Discharging a battery more than 50% shortens their lives.

In general no one really makes deep cycle agm batteries. Maybe Trojan. So you get car batteries.

You trade longevity for the maintence of checking water levels.

Two gc2 deep cycle batteries are $180 at Costco. Hard to beat.
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Old 06-30-2020, 09:38 PM   #5
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Originally Posted by tomkatb View Post
In general no one really makes deep cycle agm batteries. Maybe Trojan.
Except for Deka, Lifeline, Renogy, Rolls...just a few that came to the top of my head
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batteries, maintenance

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