GZD (W) series computer monitoring high-frequency switching DC power counters are the products that developed on the advanced exchange technology from abroad and the practical experience, the product has been included in the industrial city plans trial production. And it has the charging choice. The voltage can be regulated and has the functions of regulators current limit and regulators with the flow. The computer monitoring unit applies the LCD, and therefore has good human-computer interface. It displays the parameter of battery capacity, battery voltage...