Drone flight times: what determines the minutes?
Drone flight time depends on usable battery energy and the power required by the complete aircraft. Payload, propellers, wind and flying style change that demand. Frame dimensions or a battery’s mAh figure alone cannot predict endurance.
Energy matters more than mAh alone
Approximate nominal battery energy in watt-hours is nominal voltage × capacity in amp-hours. A 14.8 V, 1.5 Ah battery stores about 22.2 Wh nominally. That does not mean all of it should be used in flight.
An illustrative flight-time calculation
Estimated minutes = usable energy in Wh ÷ average power in W × 60. If a hypothetical setup provides 16 Wh of usable energy at 120 W average draw, the arithmetic gives 8 minutes. These are illustrative inputs, not a prediction or a rating for our builds.
Payload reduces the energy available per minute
Camera packages, guards and mounts add mass; powered sensors also consume electricity. Measure endurance with the intended payload installed, not with an empty frame.
Why a larger battery may not help
Extra capacity adds weight and can require more hover power. Battery fit, centre of gravity, discharge capability and temperature matter alongside capacity.
Plan for landing, not battery exhaustion
Keep an appropriate landing reserve, follow the battery manufacturer’s limits and account for wind and the return journey. Hover tests and ideal-weather specifications are not a guaranteed mission duration.
Request a loaded endurance target
Include your payload weight, desired mission duration and operating conditions in the build notes. We do not publish a verified flight-time claim for the configurator models; hardware selection and controlled tests are required.