Found one v helicopter compatible 40 3d models

cults
free
...3s 450mah or similar: https://www.banggood.com/gaoneng-gnb-11_1v-450mah-80160c-3s-lipo-battery-jstxt30-plug-p-1165484.html?p=hd240528697332015103 https://hobbyking.com/en_us/turnigy-nano-tech-450mah-3s-65c-lipo-e-flite-compatibleblade-180cfx-eflb4503sj30.html the battery tray fits up...