Ka 'maraka o ntseng o hola oa matla a macha le ho fihlela litlhoko tsa nako ea bareki, haufinyane Shenzhen REO Power Co., Ltd e kentse mohala oa plug-in ho fihlela litlhoko tsa mohala oa kopano bakeng sa motlakase oa letsatsi le (UPS Uninterrupted Power Supply)