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Amazon.com: OCTelect Drone Battery MJX X300 X400 X800 Lithium Battery 3.7V 850mAh Lipo Lipo Battery 6 Pack [Parallel Import] : Cell Phones & Accessories
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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
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2 Pieces Battery for Potensic F181 F181WH F163 H12C Drone Battery 3.7V 800mAh RC | YUNIQUE GREEN-CLEAN-POWER
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Rechargeable Li Ion 3.7V 800mAh Lithium Polymer Drone Battery - China Lipo Battery, Li-ion Battery | Made-in-China.com
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![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 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](https://i.redd.it/yefoaepvxjo91.jpg)