Guides

Short, plain explanations behind the planner's numbers.

• Why your UPS backup keeps getting shorter
  The recharge gap: why hours on day one become minutes a few days later.
• UPS battery backup time chart
  Hours from a 150, 185 or 200 Ah or lithium battery at each load, and the real backup per cut.
• How long will my UPS last?
  Working out backup time from VA, Ah and your load, step by step.
• Lithium or tubular battery for load-shedding?
  Usable energy, charging speed and what each means with daily cuts.

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