Purchase the ASG Airsoft Battery Stock Type 7.4V 1300 mAh LI-PO
Amazon.com: HHZ 7.4.V 1400mAh 30C 501855 Airsoft Gun Rechargeable LiPo Battery for Airsoft Rifle with 7.4v USB Cable and SM2P to Deans-T,SM2P to Tamiya Cable : Sports & Outdoors
Matrix High Performance 7.4V PEQ Type Airsoft LiPo Battery – Simple Airsoft