7.4V 5200mah lipo battery pack 18650 7.4V battery XH2.54 Plug with protection board for RC Toy Electric toys security facilities - AliExpress
Amazon.com: GOLDBAT LiPo Battery 5200mAh 2S 50C 7.4V RC Battery Hard Case with Deans Plug for RC Evader BX Car Losi Buggy Team Associated Truck Truggy (2 Packs) : Toys & Games
PowerHobby 2S 7.4.V 5200mAh 50C Lipo Battery Pack w EC5 Plug Hard Case - Powerhobby.com
Gens ace 5200mAh 2S 35C 7.4V G-tech Bashing Series Lipo Battery Pack Hardcase 24# with Deans Plug