SummitLink Two Batteries Parallel Mount DJI Flamewheel F550 Multifunction Landing 10000mah Two Batteries Parallel Mount DJI Flamewheel F550 Multifunction Landing 10000mah DJI Flamewheel F450 F550 Dual Battery Mount for multifunction landing gear. You will be able to mount two batteries in parallel for extended flying time. In the picture, 2x 5000mah 4s lipo batteries are mounted with no problems. You will have no problems mounting other batteries as well.