8807HD Quadcopter Extended Battery Compartment

This is an extended battery compartment that allows you to insert a 18650 battery holder and increase your flight time by more than double the standard flight time, as well as the increased weight to stop it from being affected by the wind as much.

This increased volume should easily hold the holder and the 18650 battery and still close.

You will have to screw a battery holder into the quad's housing. Allowing you to easily remove drained 18650 for a fresh one.
This will need supports!