Numeric Power Systems Limited manufactures Digital UPS with Extended battery run - time. Numeric Power Systems Limited plant at Pondicherry has ISO 9001:2000 accredit UPS manufacturing facility in India. This Digital UPS with Extended battery run - time is ideal for home PCs, communications equipments and other electronic gadgets. Digital UPS with Extended battery run - time possess a built-in Automatic Voltage Regulator [AVR]; Microprocessor controlled circuit, Full time EMI / RFI Suppression, Cold Start Capability, Telephone or Modem line surge protection and Printer surge protection.