holystone

Hi, does anyone know what this connector is called and where I can get a hand full to retro fit some same spec battery’s that have the wrong connector. From a holy stone hs110d

Hi All, I'm new to the hobby so bought a Holystone F181 to try it out, based on the 5 out of 5 reviews on Amazon. Unfortunately, though all the rotors work, the darn thing would not throttle up. It just idles. Everything else seems fine. Trouble shooting suggests maybe battery not fully...