I put a 3 times bigger battery in my eachine E013, its a cheap 500mah battery for a hubsan. I originally did this video for my main channel ecophage.
Battery: https://www.youtube.com/redirect?event=comments&redir_token=-yfvsB9c6kYgQGCkLcWYyRWYBHl8MTUyNjUzMzE1M0AxNTI2NDQ2NzUz&q=https%3A%2F%2Fm.ebay.com%2Fitm%2FCharger-6pcs-3-7V-500mAh-LiPo-Battery-for-Hubsan-H107C-H107D-H107L-Drone-BC635%2F372235937775%3Fhash%3Ditem56aafda7ef%3Ag%3AvwEAAOSwZWpal2MN
