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Southern Light SolarSolar Battery Backup Systems - Southern Light Solar Solar Battery Backup Systems - Southern Light Solar

Home – Business Battery Backup

Southern Light Solar designs solar energy systems with battery backup to meet the needs of both homeowners and property owners. For homeowners, the goal is frequently set to balance cost with convenience, to give families the ability to temporarily ride through power outages while still having essential functions available within the home. For property owners, there may be a greater need for a more secure and longer lasting backup. For example, some spoiled food in a family’s refrigerator is inconvenient, but not as costly as the same spoilage at a store or warehouse.

solar power battery backup system
commercial solar power battery backup

Basic Operation

Once battery storage is added to a solar energy system, solar panels generate power during daylight hours. Excess solar power is first used to ensure batteries maintain 100% charge and then fed to the power grid similar to systems without storage. Because utilities in Massachusetts and Rhode Island do not generally charge for the time of use of grid supplied electricity, this allows the battery bank to be available exclusively for standby and emergency power.

Batteries are evaluated based on capacity or power, depth of discharge allowed, and efficiency – the amount of energy expended to recharge.

Battery Types

There are generally two types of batteries in use for home and business battery backup. For home, systems teamed with solar energy are commonly designed using lithium based battery technology.

Lithium technology has proven to be reliable and durable for many cycles, being used to power electronics and even electric vehicles.

Traditional lead-acid batteries may be used where cost is a factor, but the is a sacrifice in long term performance and aging as well as safety.