BTG 3.7V 700mAh 35C Upgrade Battery for Traxxas LaTrax Alias Quadcopter-Pack of 5 FOR SAFETY PURPOSE, PLEASE READ "CAUTION" OF THE BATTERY BEFORE USE!!! Upgrade 3.7V 700mAh 35C Li-po Battery Compatible with Traxxas LaTrax Alias RC Quadcopter Packing including: 5pcs batteries