This is a very handy device. Use this XT60 – JST Male in-line power adapter to power a stand-alone BEC, electronic accessory such as cooling fan, LED lights etc…Be aware of the voltage limits of the device you connect to the JST plug lead to make sure that it can handle the voltage of the main battery connected to this adapter. Features 1 male XT60 to 1 female XT60 with a Female JST plug lead connected in parallel. Be sure to check out my other listings. Lots of other neat gadgets and cool stuff…….