Wearable Medical Sensors worked example

Battery Runtime with sensor charging and burn-in load of 6 kW: a worked example in wearable medical sensors

Suppose sensor charging and burn-in load falls to 6 kW. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate battery runtime for wearable medical sensors using production-ready inputs so teams can budget energy cost, compare equipment settings, or include electricity in the quote.

The inputs for this scenario

  • Sensor charging and burn-in load: 6 kW (the input this scenario stresses; the baseline uses 12)
  • Battery conditioning runtime: 8 hr (held at the documented default)
  • Blended electricity rate: 0.12 $ / kWh (held at the documented default)
  • Sensors conditioned during runtime: 1,000 units (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Total battery runtime energy cost = battery runtime connected load × battery runtime runtime × blended electricity rate.
  • Battery runtime energy used works out to 48 kWh at these inputs, and this is the headline figure for the scenario.
  • Total battery runtime energy cost works out to 5.76 $ at these inputs.
  • Energy cost per kWh works out to 0.01 $ / piece at these inputs.
  • Hourly battery runtime energy cost works out to 0.72 $ / hr at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where sensor charging and burn-in load sits at 12 kW and the headline result is 96 kWh, this scenario comes in 50% below the baseline at 48 kWh.
  • It multiplies connected charging load by runtime and electricity rate to get total energy cost, and divides energy by units to give a per-sensor figure. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Battery runtime energy used: 48 kWh (headline result)
  • Total battery runtime energy cost: 5.76 $
  • Energy cost per kWh: 0.01 $ / piece
  • Hourly battery runtime energy cost: 0.72 $ / hr

Run it with your numbers

  • To rerun this with your own numbers, open the live Battery Runtime calculator, set sensor charging and burn-in load to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.