Batteries

Batteries are the heart of an independent power system. They store electricity for use at a later time when a charging source is not available. They also provide a reserve of available energy to run loads that require more power than that provided by the renewable energy source.

Batteries wear out and must eventually be replaced. Regular monitoring and maintenance will extend the life of your battery and save you money.

How you use and maintain your battery bank will have a direct relationship to their lifespan. The deeper you discharge these batteries, the shorter their lifespan will be. A battery bank that is too small will tend to be discharged deeper. Your battery bank is a long-term investment. Consider how you might want to expand the system in the future.

Sealed Batteries
Sealed batteries are ideal for remote or extreme installations, where proper battery maintenance may not be possible.

Battery Accessories
Don't forget about battery accessories - including safety and maintenance items.

Deep Cycle Motive Power Batteries
The mainstay of renewable energy systems is the deep cycle battery. "Deep Cycle" is a term used far to often in the wrong situation. Batteries that are sold as marine/RV deep cycle - in the 24 and 27 series are no more than slightly modified starting batteries with a different label. These batteries, as well as any car type starting batteries, including 4D and 8D starting batteries are simply not suitable for alternative energy applications and will yield unsatisfactory performance.

A true deep cycle battery, such as a golf cart of forklift batteries are designed from the ground up for deep cycling applications. This does not mean, however, you should completely discharge the batteries on a regular basis!

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