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. 

Hanging Board Size(L * W * D): 127x78x1.5 mm(single ) 
Material: Glass fiber 
Weight: Approx 41.2g 

Package included: 
2 x DJI Phantom fiberglass siding battery 
8 x 3*10 Phillips head screws 
2 x Battery ties