2Pcs 3.7V 800 mAh 25C 752555 Lipo Battery For Remote Control Boat Aircraft Drone | eBay
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
New 3.7V 600mAh 800mAh 1600mAh 1800mAh Lithium Battery Compatible with – RCDrone
Amazon.com: 3.7V 800mAh Lithium Battery Drone Battery for SG800 LF606 D2 S606 M9 Folding Quadcopter Accessories Remote Control Rechargeable Battery : Toys & Games