Splitter cable for charging multiple Dogtra components at once for models: 175NCP (S/N less than 103471), 200NCP (S/N less than 111361) 202NCP (S/N less than 101961), 1800NC (S/N less than 100121) /add 3-3 splitter 1802NC (S/N less than 100101) /add 3-3 splitter 1803NC (S/N less than 100101) /add 2 of 3-3 splitter 1804NC (S/N less than 100126)