Our main charge leads are constructed from the highest quality materials to ensure that you get the best connection possible every time you charge your batteries. This unique design serves as both a charging and balancing cable for your 2S battery pack. Connect to your battery with the JST-XH connector, as used in the T-Rex 150. Connect to the charger's main output with 4mm banana plugs, and to the balance port with a standard 2S JST-XH balance connector. Top-quality silicone wire gives you the flexibility you need to easily get everything connected.