Foxnovo XT60 Parallel Battery Connector Cable Dual Extension Y Splitter for DJI Phantom Material: durable hard plastic. Best used with the parallel battery mount for DJI Phantom. To hook up two batteries for DJI Phantom for longer flying time and more flexible battery mounting position. Features one male XT60 and 2 female XT60 connections. 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.