Deep cycle battery for solar are the main storage source of off-grid solar power systems, but they also provide a backup power source for grid-tied systems. Deep cycle batteries are an essential component of any renewable energy system.

Choosing the Right Battery

When selecting a battery for your solar power system, it’s important to consider both its price and its maintenance requirements. The best solar batteries offer long life, quick charging and are resistant to high temperatures.

Battery Capacity (Amp Hours)

The capacity of a battery shows how much energy it can deliver at a time, and it’s important to choose a battery with a sufficient amount of amp hours to support your use case. The amp hours of a battery will vary according to its type and the voltage it can accept, so you’ll need to make sure that it matches your specific needs.

Choosing the Right Deep Cycle Battery for Your Solar Panel System

The recommended depth of discharge for a battery model your bank uses is important to consider, as it indicates how deeply the battery should be discharged for maximum life. For example, some lead acid batteries recommend that you only discharge the battery down to 50% of its rated capacity.

Warranty and Guarantee

Battery warranties are a key part of any solar battery purchase. Battery performance declines with age, so it’s essential that a battery comes with a guarantee that guarantees the number of cycles or years of good performance that it should have.

There are many options for solar batteries, with several different construction types, including flooded (wet), gelled and sealed AGM (Absorbed Glass Mat) batteries. Lithium iron phosphate batteries are the most efficient and can be recharged faster than lead acid batteries.