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Enrichpower High Rate 7.4 V Lipo Battery Pack 2s 5000mAh 45c Rechargeable Lithium Battery for RC Car or Boat with Traxxas Connector - China Traxxas and RC Model price
Amazon.com: Venom Drive Series 20C 2S 5000mAh 7.4V Hard Case LiPo Battery - Includes 12 AWG Soft Silicone Wire Connector, Universal Plug & Adapter System Compatible with Deans, Traxxas, and EC3 Plug