Venom Fly 30C 2S 1300mAh 7.4V LiPo Battery w/UNI 2.0 Plug (XT60/Deans/EC3) x2 Pack Combo Compare to E-flite EFLB12502S Fits Models Like: GWS Slow Stick 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: Venom UNI 2.0 Plug. Compatible with XT60 Plug, Deans Plug & EC3 Plug. Backed with Proven US Support and Venom&apos;s Industry Leading Lifetime Battery Replacement Plan.