... for each charging working position(2V/6V/12 V)Battery / cell qty for each line (2V/6V ... pumpII, Acid recirculation machine, model:SXH-Ⅱ1, 2V battery, model:SXH-Ⅱa Charging cell qty(2V)Size ( ... control (computer is optional), adjustable acid pump2, 2V battery, model:SXH-Ⅱb Charging cell qty(2V)Size ... is optional), adjustable acid pump3, 12V battery, model:SXH-Ⅱc Charging cell qty(12V)Size (L*W*H)(mm) ...