Batteries & Accessories

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Batteries & Accessories We carry a complete line of batteries and battery accessories for solar electric and backup power systems. Battery types include deep cycle flooded, agm and gel cell batteries. Please see our FAQ regardi ng the differences between the battery types. The accessories The Solar Store provides include battery cables, water-miser caps, battery chargers, battery enclosures, and desulfators. Virtually all power generation systems require some form of energy storage. For grid-tied systems, the utility accepts surplus power and gives it back when needed. A battery bank is required for systems that need to function without the grid, either all of the time or during an outage. In these systems, the solar array or wind turbine charges the batteries whenever they are producing power, and the batteries supply power whenever it is needed. The most common battery technology used for renewable energy systems is lead-acid, in which lead plates are submerged in sulfuric acid. Lead-acid batteries (while bulky) are relatively inexpensive and readily available compared to other battery types. Lithium-ion battery technology encompasses a range of battery chemistries that use various lithium compounds to store electrical energy. These batteries are much smaller and lighter than equivalent lead-acid batteries and can be charged and discharged faster and to greater extremes without suffering damage, decreasing the capacity required. Despite being significantly more expensive than lead-acid batteries, they can be the right choice when transportation costs and/or storage space is at a premium. Battery Size Groups Please see our chart showing the industry standard dimensions of all the battery sizes and groups. Battery Bank Sizing To properly design a battery bank, you need to account for the storage capacity required, the maximum discharge rate (the sum of all the loads which might be run simultaneously), the maximum charge rate (the current output from the solar ar

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