Venom® FLY 50C 4S 3600MAH 14.8V LiPo Battery with Uni 2.0 Plug High performance LiPO battery 3600mAh 14.8V Venom UNI 2.0 Air Plug System. Compatible with XT60 Deans & EC3 Plugs Venom is excited to deliver the lightest best performing LiPo batteries in their 15-year history. FLY packs are specifically engineered for flight and help you pilot your favorite RC planes and helicopters to new heights. Produced using the best LiPo technology available these packs are 5C fast charge capable bred from racing heritage and built for R/C Airplanes and R/C Helicopters. Patented UNI 2.0 plug system (patent no. 8 491 341) utilizes an Amass XT60 connector that easily attaches to the included Deans and EC3 adapters. R/C pilots get ready for a long flight! WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to:www.p65warnings.ca.gov