I was sick of using LiPo Packs for my Dji FPV Google so I build a 3S Li-Lion Battery Pack in a printed PETG housing, to wear it on a belt or trousers.
- 3x M3 Screws 20mm
- 3S Balancer
- XT (what ever you need, in my case XT60)
I used 3pc Molicel INR21700 4200mAh cells. This should be enough capacity for a few hours FPV fun :)