Amazon.com: 402535 3.7V 300mAh Rechargeable Lipo Battery with Molex Compatible Connector : Toys & Games
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OMPHOBBY 25C 2S 300mAh Battery or Battery Charger Compatible with S720 - Buddy RC
EMAX Nanohawk 1S 300mAh 80C Lipo Battery
AAA 1.2V 300mAh Button Top Rechargeable Battery For DIY, Radios, Power Packs - Walmart.com