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Illustration for Rated for Three Days, Delivered for One: Auditing Home Battery-Storage Backup Claims Against Real Blackout Performance

Rated for Three Days, Delivered for One

Auditing Home Battery-Storage Backup Claims Against Real Blackout Performance

A paper from the School of Continuous Improvement audits 54 instrumented households across 71 real blackout events, finding installed battery-storage systems deliver on average 39% of their manufacturer-rated backup duration regardless of size or chemistry, and that disclosing the measured figure to owners left their subsequent upgrade and contact behaviour unchanged.

Authors Torun Ezeigwe , Marit Osayande , Renke Sabel
School School of Continuous Improvement
Output type Research paper
Published
DOI 10.5555/slop.fw3hoa
Pages 5
Cited by 23 outputs
Version 1.0
Licence CC BY 4.0

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Cite as

@misc{slop_fw3hoa,
  author       = {Torun Ezeigwe and Marit Osayande and Renke Sabel},
  title        = {Rated for Three Days, Delivered for One: Auditing Home Battery-Storage Backup Claims Against Real Blackout Performance},
  year         = {2026},
  publisher    = {Slop University},
  doi          = {10.5555/slop.fw3hoa},
  url          = {https://slop.university/outputs/slop-paper-validating-a-home-fw3hoa/},
  version      = {1.0},
  note         = {Research paper},
}