Generally when you have two batteries or a battery fail in a series connected string, the progression of domino's has already started. People replace the 2 batteries, and then a couple of months later, another one or two go out, and another, and so it goes...
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Anything less than a professionally manufactured cable compromises the entire system and is a waste of money. Cable is where all your current flows to and from your batteries. Think of it this way. Cheap cable simply cannot handle the load. If you cheap out on this component, you waste your money on everything else. Solar panels, batteries, inverter. Everything is compromised.
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We recently had a customer contact us. She wanted to add more batteries to her system because we are now in a rainy season and have less sun. Typically adding to the battery bank seems to make sense to most. For the past 3 decades this seems to be the obvious solution for most people who are running out of capacity. But this type of thinking is completely backwards.
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When choosing batteries for renewable energy, you may think it's best to buy the biggest Amp Hour battery available. However, in this case, bigger is not always best. You don’t need the 100 Amp Hour (AH) rated battery; here we explain why 20 hours is the appropriate rating for a renewable energy battery.
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Heat is an enemy of all lead acid batteries, and Flooded, AGM and Gel Cell batteries are all lead acid. Even very small increases in temperature can have a negative impact on battery life.
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Islands are vulnerable places, battered by climate change, pollution and migration. But a mounting sense of urgency is counterbalanced by the realization that islands offer an important opportunity to find innovative, “hybrid” solutions that combine renewable and traditional energy sources, making them test-beds that the wider world should invest in and learn from.
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