This is the EcoPower One Piece Adapter Plug (Deans Male to XT60 Female)

EcoPower One Piece Adapter Plugs are a great option for standard wire type adapters. These one piece adapters offer reduced resistance, can carry more current, and allow for a much cleaner installation than typical adapters.

If you are using an adapter to connect a battery to your ESC or charger, this is a must have. Adapter features T-Plug to an XT60 style Female connections.