Kobo Mini BlueFly vario and bigger battery back case

This is a Kobo Mini back case for using with the BlueFly vario TTL GPS module. It is designed for fitting a bigger battery and features an easy to use power switch.

It should be compatible with the v10, v11 and later bluefly TTL GPS versions while they maintains the same shape and components location. Works excelent.

Instructions:
-The case is designed for replacing the whole Kobo back case and there are two variants, one for using with the original M1.6x3mm closing screws and other for r