Venom Fly 30C 1S 500mAh 3.7V LiPo Battery with Micro Losi and JST Plug - Compare to E-flite EFLB5001S25 Fits Models Like: Blade 180 QX HD, 120SR, and MQX 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: Micro Losi and JST Backed with Proven US Support and Venom&apos;s Industry Leading Lifetime Battery Replacement Plan.