Has anyone tried this Flyon battery extender?

[jhbodle]

Hello Flyon friends!

I found these range extender batteries on an italian site - has anyone tried them? They seem perfect for a bit of extended range but I'm worried I will damage my bike.

https://www.extenderbattery.com/negozio/extender-haibike-fly-one/

[Grexocopter]

No, but very very interesting!!!

[Administrator]

Ja - schaut wirklich interessant aus!

Es gibt auch Italiener im Forum - vielleicht kenne die den Entwickler?

LG
Rene