DJI Fairy Double Fiber Glass Plate Battery Carbon Expansion Board Mount Kit Type: Other Accessories Features: It can help Phantom add capicity for one more battery without the effect caused by Phantom. Battery life is increased a lot. Battery life could be increased 80% at maximum, if the weight were in the Phahtom 's alowable range. Mounted on both sides of the aircraft. The size is designed according to the body of aircraft.
