Good drone decisions connect aircraft capability, conditions, pilot skill and permission. If any one is missing, the flight plan is incomplete.
Runtime is not endurance
Box figures are controlled tests. Your planning number must include takeoff, positioning, wind, return and a landing reserve.
Pause and verify this point against your aircraft manual, current conditions and the official rules where you will actually fly.
Lithium needs a routine
Inspect before charging, use approved equipment, charge on a non-combustible surface, monitor the pack and store at the recommended charge.
Pause and verify this point against your aircraft manual, current conditions and the official rules where you will actually fly.
Weather changes voltage
Cold raises internal resistance; wind raises power demand. Together they can turn an ordinary return leg into rapid voltage sag.
Pause and verify this point against your aircraft manual, current conditions and the official rules where you will actually fly.
Retire without negotiation
Swelling, leaking, unusual heat, crash damage or major cell imbalance means quarantine and follow local battery-disposal guidance.
Pause and verify this point against your aircraft manual, current conditions and the official rules where you will actually fly.
Where to go next
Use the answer library for a specific question, then use the planning tools for a conservative estimate. For legal questions, continue to the official authority linked from the regional rules page.