Venom Fly 30C 2S 300mAh 7.4V LiPo Battery with JST and E-flite PH Plug x4 Pack Combo - Compare to E-flite EFLB3002S35 Fits Models Like: E-flite UMX Pitts S-1S, and UMX P3 Revolution Venom Fly - Engineered for Flight, with "A" Grade Matched Cells for Unrivaled Performance. Spend Less Time Charging and More Time Flying. 5C Charge Capable for Significantly Faster Charging. Plug Type: JST and E-Flite JST-PH Backed with Proven US Support and Venom&apos;s Industry Leading Lifetime Battery Replacement Plan.