Batteries
Battery Specific Power Calculator
Battery Specific Power converts the entered electrical measurements into specific power. Use it to the specific power calculation.
Enter values for specific power
Use one consistent electrical operating case for all fields.
How Battery Specific Power works
The example applies specific power = power ÷ mass. Battery Specific Power uses Peak power, Battery mass to report Specific power.
With the loaded values, specific power evaluates to 140.63 W/kg. Hold the remaining entries steady while testing an uncertain input.
Inputs for Battery Specific Power
Peak power and Battery mass belong to Battery Specific Power. Keep source units with peak power.
Use the defaults to understand the output, then enter the real circuit or energy data.
- Peak power
- Example entry: 4500 W.
- Battery mass
- Example entry: 32 kg.
Reading the Battery Specific Power result
This output represents Battery Specific Power.
Compare the output with equipment limits and the applicable design margins.
Measurement and units
Battery calculations depend on chemistry, temperature, age, discharge rate, and the limits of the battery management system. Check prefixes on peak power. Continue to Battery Energy Density Calculator for volumetric energy density.
Alternatives should share one documented measurement convention.
Limits of this calculation
Peak duration and thermal limits must accompany the value.
Unlisted circuit behavior remains outside the computed result. Unentered effects remain outside Battery Specific Power. Use Battery Capacity Fade Calculator.
A useful Battery Specific Power comparison
Record specific power before testing a different peak power value.
Document the alternate peak power source.
Questions about Battery Specific Power
What does Battery Specific Power calculate?
Battery Specific Power reports specific power.
Can Peak power be zero?
For Battery Specific Power, measure any zero peak power directly.