Technical FAQs 4

What are lead acid batteries for solar energy storage?

Lead acid batteries for solar energy storage are called “deep cycle batteries.” Different types of lead acid batteries include flooded lead acid, which require regular maintenance, and sealed lead acid, which don’t require maintenance but cost more.

What is a lead acid battery?

A lead acid battery is a kind of rechargeable battery that stores electrical energy by using chemical reactions between lead, water, and sulfuric acid. The technology behind these batteries is over 160 years old, but the reason they’re still so popular is because they’re robust, reliable, and cheap to make and use.

What are the different types of lead acid batteries?

Different types of lead acid batteries include flooded lead acid, which require regular maintenance, and sealed lead acid, which don’t require maintenance but cost more. Lead acid batteries are proven energy storage technology, but they’re relatively big and heavy for how much energy they can store.

What are the disadvantages of a lead acid battery?

There is a drawback to the lead acid design. If the battery is discharged too much, some of the lead sulfate can’t be broken down and recombined with the free hydrogen, which results in a permanent coating on the lead plates called sulfation. Sulfation greatly reduces the lifespan of the battery.

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