H520E airframe vs h520

[Stephen1988]

What is the difference between a h520e airframe and a h520 airframe , they are listed with 2 different part numbers

 

[Enrico Jorysch]

The mounting points for the battery holder and the battery sensor are not identical.
H520 / HPlus are identical, and H520E / H3 are identical.

 

[Stephen1988]

The mounting points for the battery holder and the battery sensor are not identical.
H520 / HPlus are identical, and H520E / H3 are identical.

Thanks for info Enrico