Battery case for Fairphone FP2

I quickly got fed up with the lack of power my FP2 experienced, so I bought a KiwiBird 5000mAh Battery case for Samsung Galaxy S7 (NOT for S7 Edge!!) and designed a custom case to fit the hardware on my FP2.

If you
1. Buy a Kiwibird ( for example here: https://www.amazon.co.uk/dp/B01KUAHO3U/?th=1 ) and some M2.2 pan head tapping screws (example here: https://www.amazon.com/uxcell-M2-2x9-5mm-Phillips-Tapping-Screws/dp/B01DIL1RH2/ref=sr_1_7?keywords=pan+head+tapping+screws+m2.2&qid=1549649846&