4S 21700 Battery Pack (for FPV Goggles)

by CarbonBuzzard

A simple 4 x 21700 (4S) battery pack for FPV goggles. With optional capacity checker (find here: https://www.banggood.com/de/10Pcs-4S-Lipo-Battery-Voltage-Display-Indicator-Board-p-1081025.html?last_spm=1a981.bgpc_account_wishlist.0002128780.0001690601-0.b30e63123bac43bc850506f168263acc&cur_warehouse=CN). Recommended filament: PLA or PETG Recommended additional materials: - 4 x M2 10mm screws - max. AWG20 for wiring cell to cell - AWG 18 for Output - Output connector of your choice (I use XT30 or Bullet-Plugs) - 4S balancer cable Filament i used: https://www.dasfilament.de/filament-spulen/pla-1-75-mm/373/pla-filament-1-75-mm-multicolor-galaxy Print the box in upright (normal) position! Print the cover upside down!