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Writer's picturejulianbassey

Understanding Backup Time in Solar Batteries

Updated: Aug 10




Ever wondered why your lights flicker out just after a few hours of a power outage, even with a supposedly robust solar system?

The answer might lie in a term called "backup time."


Backup time refers to how long your inverter can power your home during a blackout. It's influenced by several factors:


  • Battery Capacity: The heart of your backup power, the larger the Solar Batteries, the longer it can sustain your home.

  • Inverter Efficiency: A high-efficiency inverter consumes less power itself, extending backup time.

  • Appliance Power Consumption: High-wattage appliances like air conditioners drain battery power faster.

  • Depth of Discharge (DOD): Solar Batteries have a lifespan. Excessively draining them shortens their life and reduces backup time. For instance, a 5KVA inverter with four 200Ah batteries might keep your lights, fans, and TV running for 8-10 hours. But crank up the AC, and that time could shrink dramatically.

 

Understanding backup time is crucial when designing your solar system. Oversizing your battery bank or choosing energy-efficient appliances can significantly improve your system's resilience.


At Crimson Power Ltd., we specialize in designing solar systems that prioritize backup time. Our experts assess your specific needs, considering factors like average daily power consumption and outage frequency in your area.


Want to ensure your home stays powered during blackouts? Let's chat about your energy needs and design a solar system that is specific to you.


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