This batteries rock, last easily 3-4 years in heavy usage (discharging and charging completelly once a day), specially if you use good charger controllers. They just relased some AGM solar ones, testing them now, lets see how they go, but they claim 8 years life...
Always supersize the panels, they are way cheaper than batteries and keep batteries full all the time, also get a battery balancer that equalizes battery voltage, this helps a lot!... read more
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