Observed arrival · 2026-10-05
LoadReserve: UPS backup through load-shedding
A free calculator estimates how long a UPS and battery can keep selected appliances running through repeated power cuts in Pakistan.
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- For
- Pakistani households sizing UPS backup during load-shedding
- Worth noticing
- Its example contrasts 5.1 hours from full with about 47 minutes per cut under six hours of daily outages, one hour every four hours.
Field notes
Inputs include UPS VA, battery voltage and amp-hours, battery type, charger current, appliance loads, cut timings, and optional solar capacity, city, and month. The model states assumptions including 85% UPS efficiency and 20 W consumed by the UPS, and links to a methodology page; users can submit their actual runtime, battery age, and city to help compare estimates with household experience.
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