DRAFT — outline only. Do not publish until the figures below are verified. Keep this guide inactive until it is written.
Angle: Stop people over-sizing (and overspending on) batteries.
This guide must answer: - How to size a battery to critical loads only? - What loads should and shouldn't be on backup? - How cut duration and frequency change sizing? - A simple sizing method.
Writing rules: answer the question in the first two sentences, put a real number in the opening paragraph, name the specific city or DISCOM where the answer varies, and link to two related guides and the relevant category page.
Verify before publishing: Load/sizing figures; keep consistent with power-cut guide.
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Last updated 4 August 2026 · Reviewed by the RenSetu team