This is the 7.2V Battery Wire Set for use with the DuraTrax Universal Starter Box (DTXP5701). FEATURES: Allows the use of two 6 cell(7.2V) battery packs Two Kyosho type (male) plugs on one end with Tamiya type (female) plug on the other This item wires the batteries in series to increase the voltage INCLUDES: One 7.2V wire set REQUIRES: Installation COMMENTS: This item may be used in other applications that require two 7.2V batteries wired in series. wm 8/16/06 ir/jxs