Power Systems Calculator
Robot Battery Capacity & Runtime Calculator
Input battery capacity (mAh), nominal voltage, and the average current draw of your computing boards, motors, and sensors to compute estimated run time under realistic 85% DoD (Depth of Discharge).
Robot Battery Capacity & Runtime Estimator
Total Energy Capacity
55.5 Wh
Estimated Safe Runtime
1.7 hrs
(102 minutes)
Usable Capacity (Ah)
4.25 Ah
Mathematical Formulation & Engineering Notes
Runtime (Hours) = (Capacity (mAh) / 1000 · Usable DoD Ratio) / Total System Current (Amperes).