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Battery Runtime Calculator
x402
Battery Runtime Calculator is a paid API for AI agents from electronics-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).
Estimates how long a battery will last given its capacity (mAh/V or Wh), load (mA or W), converter efficiency, and usable depth of discharge.
Price / call$0.02
Success—
StatusUnknown
How this service works
Battery runtime estimate from capacity (mAh and volts, or Wh) and load (mA or W), with efficiency and usable depth of discharge.
Output
Returns estimated battery runtime as hours, minutes, and days alongside supporting values: load in watts, effective capacity in watt-hours, usable fraction applied, efficiency factor, a plain-English summary, and a disclaimer about real-world variation.
Example use cases
IoT sensor battery life planning
“I have a 3.7V 2000 mAh LiPo battery powering a sensor that draws 15 mA continuously. With 90% efficiency and 80% usable depth of discharge, how many hours will it run?”
Portable power bank runtime for laptop
“My power bank is rated at 20000 mAh at 3.7V and my laptop pulls 45W. Can you estimate how long the power bank will last, using 88% efficiency and 80% usable capacity?”
Solar backup system sizing check
“I have a 100Wh battery pack and a device running at 8W. With 90% efficiency and 90% usable capacity allowed, how many hours of runtime should I expect?”
Technical details
Endpoint
GEThttps://electronics-calc.x402tookit.com/battery-runtime?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, parametric battery runtime estimate during circuit design, product planning, or field deployment — especially when you need to account for converter efficiency losses and depth-of-discharge constraints. Prefer this over manual spreadsheet calculations or generic formulas when you want a structured JSON result with summary text and multiple time-unit outputs.
Side effects
- Missing both capacity inputs (neither mAh+voltage nor Wh provided) returns an error
- Missing both load inputs (neither mA nor W) returns an error
- Zero or negative values for capacity or load produce invalid/error responses
- Efficiency or usable percentage outside 0-100 range may produce unexpected results
- Conflicting inputs (e.g. both mAh and Wh with inconsistent values) may yield unexpected results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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