Quick view Wishlist Auline Auline 21700 LI-ON 4800mAh 2S 7.4v DC5.21 Battery For FPV Goggles w/ XT30 $39.00 Auline has made a great addition to your Fatshark goggles. This battery features 2 21700 cells, perfect for powering your goggles for a long time. It even fits in your goggle strap for easy placement... Add to Cart