11.1V 850mAh LiPo Battery, 25C, T Plug / Deans compatible, 3S Rechargeable Lithium Polymer. Code: LPB3S25C850-1, Hobbies & Toys, Toys & Games on Carousell
1/2/4Pcs Size 503443 3.7V 850 mah Lithium polymer Battery With Protection Board For MP3 MP4 MP5 GPS DVD Toy LED Light Headphone|Digital Batteries| - AliExpress