Wholesale Rechargeable 902540 3.7V 800mAh 750mAh 2.775Wh 25C Discharge Rate Lipo Battery for Drone From m.alibaba.com
This bubbled-out/bad top battery (3.7V 800mAh) goes to a rechargeable drone power supply. Is it possible to replace it with two (3.7V) batteries? Series or parallel? Does different mAh matter? : r/batteries