ApeX Type A 18V Edition tDCS Device - Ultimate Bundle. Highest Rated, Analog Precision w/All Accessories Included. The original, high-quality completely analog system made in the USA, offering unparalleled precision and control for the most comfortable tDCS experience. Get the cleanest, purest and most accurate DC analog output. No micro controller noise, micro stepping or interference common to Chinese made, digitally controlled devices. The built-in analog meter is A MUST HAVE feature for tDCS devices. It ensures the device achieved a good connection and that it is operating within range at all times. All the accessories you need to get started are conveniently included, just add your own batteries and make your own saline (instructions provided). The Type A's 18V system is much more efficient than commonly available 9V systems that may be unable to reach stimulation levels adequately.