CYBERPOWER SYSTEMS INC. revenue for the last year amounted to 12.39 B TWD, the most of which — 11.73 B TWD — came from its highest performing source at the moment, Uninterruptible Power Systems, the year earlier bringing 11.22 B TWD. The greatest contribution to the revenue figure was made by America — last year it brought CYBERPOWER SYSTEMS INC. 7.38 B TWD, and the year before that — 7.17 B TWD.