The size is fine, its only with the 3s I had to do some modification but I was wondering if t would be fine to run, but I will see cuz I am getting my esc connectors change along with the battery conectors too The size is fine, its only with the 3s I had to do some modification but I was wondering if t would be fine to run, but I will see cuz I am getting my esc connectors change along with the battery conectors too