Amazon.com: 2 Pcs 3.7V 800mAh 20C 902540 Rechargeable Lipo Battery with USB Charger for Syma X5 X5C X5SW X5SC Hengqi 905 Cheerson CX-30 Skytech M68 RC Quadcopter Drone Spare Parts : Toys & Games
Amazon.com: 2 Pcs 3.7V 800mAh 20C 902540 Rechargeable Lipo Battery with USB Charger for Syma X5 X5C X5SW X5SC Hengqi 905 Cheerson CX-30 Skytech M68 RC Quadcopter Drone Spare Parts : Toys & Games
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