T-Trees 5 Pack of XT60 Parallel Battery Connector Cable Extension Y Splitter for DJI Phantom RC Mode Helicopter Quadcopter This calbe has 1x male XT60 and 2x female XT60 connections Material: durable hard plastic To hook up two batteries for DJI Phantom for longer flying time and more flexible battery mounting position This is a parallel Y connection cable to hook up two batteries for DJI Phantom for longer flying time and more flexible battery mounting position Warning: 1. Make sure the wire is welded red to red and black to black. 2. Connect both batteries to the adapter first and then connect it to the phantom