This is a SPECIALTY charge lead, designed to allow you to charge 2, 2s batteries off of one port. Use 4s settings when charging.

This is a ready to ship fully protected 24" 2s balance charge lead featuring 5mm bullet connectors and JST-XH balance housing on the charger side. It is capable of working with all chargers on the market that use a JST-XH balance housing on the charger side. 

It is important to plug the blue side into one battery, and the white side into the other battery. 
Features:

    Designed by DRC
    Uses DRC solid design bullet connectors, and genuine Amass connectors
    24" Long and made with 10 awg wire
    Made with dual wall adhesive heat shrink, that is molded to connectors. This reduces strain, and makes it easier to remove from batteries/chargers.
    All Black sheathing and heat shrink
    Complimentary Warranty Policy