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7.4V 610mAh lipo battery 15C 4.5WH battery For Hubsan X4 H502S H502E H216A With Charger Set For RC Quadcopter Drone Parts 7.4 V _ - AliExpress Mobile
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Amazon.com: 7.4V 2700mAh li-po Battery for Hubsan H501S H501A H501C RC Drone H501S-14 Battery H501S Battery 2 Pack with EC2 Plug Battery Parallel Cable : Toys & Games