The pins all go up about 3.3 with a voltmeter. 3.3, 6.6., 9.8 13.1, 16.4, 19.8,23.1 26.4 My two batteries are together for 48v The voltmeter shows 52.8= 3.3. Plugin the BattGO and the numbers are all different and the number eight is over 4.0. The BattGO is way higher. 59 something.