Jrelecs 2Pcs XT60 Parallel Battery Connector Cable Dual Extension Y Splitter 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. Best used with the parallel battery mount for DJI Phantom. Material: durable hard plastic. 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