In today’s fast-paced digital world, an uninterruptible power supply (UPS) is essential for protecting computers, servers, networking devices, CCTV systems, and business infrastructure from sudden power cuts and voltage fluctuations.
Big Byte IT World Pvt. Ltd., one of Nepal’s most trusted IT retailers, offers a wide range of high-performance UPS systems from the world’s leading brands—ensuring reliable backup, surge protection, and uninterrupted workflow.
Whether you need a UPS for home use, office setups, gaming PCs, server rooms, or enterprise-grade applications, Big Byte brings you the best options with full warranty and expert support.
PVS1001AD PROLINK 1KVA AVR | Digital Voltage Monitoring
₨ 13,200.00Highlighted features of thePVS1001AD PROLINK 1KVA AVR:
- 1KVA High-Precision AVR – Stabilizes voltage and protects electronics.
Digital Voltage Display – Real-time input/output voltage monitoring.
Automatic Voltage Regulation – Instantly corrects voltage fluctuations.
Surge & Overload Protection – Prevents damage to connected devices.
Pure Sinewave Output – Safe operation for sensitive electronics.
Wide Input Voltage Range – Handles unstable mains supply efficiently.
High Efficiency ≥95% – Minimizes energy loss during operation.
Compact & Durable Design – Easy to place and maintain.
PVR3000D 3KVA Auto Voltage Stabilizer by PROLINK | LCD Panel
₨ 15,180.00Highlighted features of the PVR3000D 3KVA Auto Voltage Stabilizer by PROLINK:
- 3KVA High-Capacity AVR – Stabilizes voltage and safeguards sensitive devices.
LCD Voltage Display – Real-time input/output voltage monitoring.
Automatic Voltage Regulation – Corrects fluctuations instantly.
Surge & Overload Protection – Protects electronics from spikes and overloads.
Pure Sinewave Output – Safe operation for sensitive devices.
Wide Input Voltage Range – Handles unstable mains supply efficiently.
High Efficiency ≥95% – Minimizes power loss during operation.
Compact & Durable Design – Easy to place and maintain.
PVR2000D 2KVA Auto Voltage Stabilizer by PROLINK | LCD Display | EUPIN
₨ 9,900.00Highlighted features of the PVR2000D 2KVA Auto Voltage Stabilizer by PROLINK:
- 2KVA High-Capacity AVR – Stabilizes voltage and safeguards electronics.
LCD Voltage Display – Real-time monitoring of input and output voltage.
Automatic Voltage Regulation – Corrects voltage fluctuations instantly.
Surge & Overload Protection – Prevents damage to connected devices.
Pure Sinewave Output – Ensures safe operation for sensitive electronics.
Wide Input Voltage Range – Handles unstable mains supply efficiently.
High Efficiency ≥95% – Minimizes energy loss during operation.
Compact & Durable Design – Easy to place and maintain.
PVR1000D 1KVA Auto Voltage Stabilizer by PROLINK | LCD Display | EUPIN
₨ 6,336.00Highlighted features of the PVR1000D 1KVA Auto Voltage Stabilizer by PROLINK :
- 1KVA High Precision AVR – Stabilizes voltage and protects devices.
LCD Voltage Display – Real-time monitoring of input and output voltage.
Automatic Voltage Regulation – Corrects voltage fluctuations instantly.
Surge & Overload Protection – Safeguards electronics from damage.
Pure Sinewave Output – Ensures safe operation of sensitive devices.
Wide Input Voltage Range – Handles unstable mains supply efficiently.
High Efficiency ≥95% – Minimal power loss during operation.
Compact & Durable Design – Easy to install and maintain.
PROLINK PRO910-ERS 10KVA Online UPS | Rack/Tower | LCD Power Backup
₨ 369,600.00Highlighted features of the PROLINK PRO910-ERS 10KVA Online UPS :
- True Online Double Conversion – Delivers pure, stable power for critical systems.
Zero Transfer Time – Instant backup ensures uninterrupted operation.
10KVA / 9000W High Capacity – Supports large servers, data centers, and industrial loads.
Rack/Tower Convertible Design – Flexible installation in any environment.
LCD Real-Time Display – Shows load, battery, and voltage clearly.
Long-Run External Battery Support – Extends runtime during prolonged outages.
Wide Input Voltage Range – Operates efficiently under unstable power.
Smart Microprocessor Control – Optimizes UPS performance and battery life.
PROLINK PRO906-ERL 6KVA Rack/Tower Online UPS | LCD And Long-Run External Battery
₨ 153,120.00Highlighted features of the PROLINK PRO906-ERL 6KVA Rack/Tower Online UPS:
- True Online Double Conversion – Delivers pure and stable power for sensitive systems.
Zero Transfer Time – Ensures instant power backup without interruptions.
6KVA / 5400W Capacity – Supports high-load servers and networking devices.
Rack/Tower Convertible Design – Flexible installation in any environment.
LCD Real-Time Display – Shows load, battery, and voltage clearly.
Long-Run External Battery Support – Extends runtime for critical applications.
Wide Input Voltage Range – Handles unstable mains efficiently.
PRO906-EL 6KVA Online UPS by PROLINK | Tower Design
₨ 142,560.00Highlighted features of the PRO906-EL 6KVA Online UPS by PROLINK:
- True Online Double Conversion – Delivers stable, pure power for critical equipment.
Zero Transfer Time – Ensures instant backup during power outages.
6KVA / 5400W Capacity – Supports servers, networking, and industrial loads.
Pure Sinewave Output – Safe, clean power for sensitive devices.
LCD Status Display – Shows load, battery, and voltage clearly.
External Battery Support – Enables extended runtime during long outages.
Wide Input Voltage Range – Operates efficiently under unstable power.
PRO906-ERS 6KVA Online UPS by PROLINK | Rack/Tower | LCD Panel
₨ 330,000.00Highlighted features of the PRO906-ERS 6KVA Online UPS by PROLINK :
- True Online Double Conversion – Delivers pure, stable power for critical systems.
Zero Transfer Time – Instant backup ensures uninterrupted operation.
6KVA / 5400W High Capacity – Supports large servers, networking, and industrial devices.
Rack/Tower Convertible Design – Flexible installation in any environment.
LCD Real-Time Display – Shows load, battery, and voltage status.
External Long-Run Battery Support – Extends runtime during prolonged outages.
Wide Input Voltage Range – Handles unstable mains power efficiently.
PRO903-ERL 3KVA Online UPS by PROLINK | Rack/Tower | LCD | Long-Run External Backup
₨ 99,000.00Highlighted features of the PRO903-ERL 3KVA Online UPS by PROLINK:
- True Online Double Conversion – Provides stable and pure power for sensitive systems.
Zero Transfer Time – Ensures instant power backup without interruption.
Long-Run External Battery Support – Extends runtime for critical applications.
Rack/Tower Convertible Design – Flexible installation in any environment.
LCD Status Display – Shows real-time UPS status and battery level.
Wide Input Voltage Range – Handles voltage fluctuations efficiently.
Smart Microprocessor Control – Optimizes performance and battery life.
PROLINK PRO903EL 3KVA Online UPS | Reliable Power Protection
₨ 73,920.00Highlighted features of the PROLINK PRO903EL 3KVA Online UPS:
- True Online Double Conversion – Delivers pure, stable, and continuous power for sensitive equipment.
Zero Transfer Time – Ensures instant backup during outages without interruptions.
Wide Input Voltage Support – Protects devices even during severe voltage fluctuations.
Smart LCD Display – Shows real-time UPS and battery status clearly.
Intelligent Battery Management – Extends battery life and improves efficiency.
Automatic Bypass Mode – Keeps devices running even during UPS faults.
Fast Recharge System – Restores full battery backup quickly for continuous use.
PRO903-ERS PROLINK 3KVA Online UPS | Rack/Tower Design | LCD | 6 IEC + 1 C19 Outputs
₨ 135,960.00Highlighted features of the PRO903-ERS PROLINK 3KVA Online UPS:
- True Online Double Conversion – clean, stable power for sensitive devices.
Rack/Tower Convertible – flexible installation in any setup.
3000VA / 2700W Output – strong power for servers and networks.
6× IEC + 1× C19 Ports – connect multiple critical devices easily.
LCD Display – quick view of power, load, and battery status.
Wide Input Range – handles unstable voltage smoothly.
Pure Sinewave Output – safe, high-quality power delivery.
Smart Microprocessor Control – reliable, efficient performance.
USB & RS232 Ports – easy monitoring and contro
PROLINK 3KVA True Online UPS | LCD Panel | 4x Universal Sockets
₨ 102,960.00Highlighted features of the PROLINK 3KVA True Online UPS:
- True Double-Conversion: Delivers clean, consistent, pure sine wave power (zero transfer time).
High Power Factor: Output Power Factor is 0.9 (3000VA/2700W), maximizing real power to your equipment.
Wide Input Voltage Range: Stable operation across an exceptionally broad range (e.g., 110V – 300V), protecting against extreme power fluctuations.
Energy Saving: Features ECO Mode for high efficiency and reduced energy costs.
Generator Compatible: Works reliably with generator power sources.
Communication & Monitoring: Includes a comprehensive LCD display, plus USB and RS-232 communication ports.
PROLINK PRO902-EL-2U 2KVA Online UPS | LCD | Long-Run External | 2x Universal Sockets
₨ 64,680.00Highlighted features of the PROLINK PRO902-EL-2U 2KVA Online UPS:
- True double‑conversion online UPS — ensures output power is clean and stable, unaffected by input fluctuations
2000 VA / 1800 W capacity — supports servers, workstations, network gear, CCTV, ATMs, or multiple devices
Wide input voltage range (110‑300 VAC) — works reliably even when mains voltage fluctuates
Pure sine‑wave output & good power factor (0.9) — delivers smooth AC power for sensitive electronics
Zero‑transfer time switching — instantly switches to battery during power cuts
LCD status display + alarms & indicators — shows load level, battery level, and supply mode; alerts on battery low, overload, or fault
External long‑run battery support — allows extended runtime by connecting external batteries
PROLINK PRO902-ES 2KVA Online UPS | Internal Battery System
₨ 75,240.00Highlighted features of the PROLINK PRO902-ES 2KVA Online UPS:
- True Double-Conversion Online UPS – Delivers clean and stable power by isolating equipment from fluctuations.
2000VA / 1800W Capacity – Supports servers, PCs, network devices, and sensitive equipment.
Wide Input Voltage Range (110–300V) – Handles unstable voltage without switching to battery too quickly.
Pure Sine-Wave Output – Ensures safe and reliable power for sensitive electronics.
Zero Transfer Time – Instantly switches to battery during outages with no interruption.
0.9 Power Factor – Provides more usable power for heavier loads.
LCD Display – Shows real-time status like load, battery level, and operating mode.
PROLINK 1KVA Online UPS | LCD Display | Long-Run External | 2x Universal Sockets
₨ 44,220.00Highlighted features of the PROLINK 1KVA Online UPS :
- Technology: True Double-Conversion Online (Zero transfer time).
Output: Pure Sine Wave output (ideal for sensitive IT/server equipment).
Capacity: 1000VA / 900W rating (High power factor).
Voltage: Precise ±1% output voltage regulation.
Input Range: Wide Input Voltage range (110V–300V) for maximum stability.
Features: LCD Display for real-time status; Generator Compatible.
Management: Includes USB and RS-232 ports for monitoring software.
Safety: Emergency Power Off (EPO) function and comprehensive protection.
Prolink 3KVA Line-Interactive UPS | AVR, USB Port And Super Fast Charging
₨ 42,900.00Highlighted features of the Prolink 3KVA Line-Interactive UPS:
- Capacity: High-power 3000VA / 1800W capacity.
Voltage: True AVR (Automatic Voltage Regulation) for voltage stability.
Charging: Super Fast Charging (recharges battery to 90% in 4–6 hours).
Input Range: Supports an extremely Wide Input Voltage (160V–300V).
Protection: Protection against Surges, Overload, Short Circuit, and Over-Temperature.
Compatibility: Generator Compatible; uses Universal Sockets.
Features: RJ45 Ports (Modem/Fax Protection); Cold Start function.
Output: Simulated Sine Wave output.
2000VA Line-Interactive UPS | AVR And USB Super Fast Charging
₨ 27,500.00Highlighted features of the 2000VA Line-Interactive UPS:
- Capacity: High-power 2000VA / 1200W Line-Interactive UPS.
Charging: Super Fast Charging (recharges battery to 90% in 2–4 hours).
Voltage: True 3-Step AVR (Automatic Voltage Regulation) for stable output.
Protection: Full protection against Surges, Overload, and Short Circuit.
Input Range: Supports an extremely Wide Input Voltage (140V–300V).
Connections: Universal Sockets; RJ45 Ports (Modem/Fax Protection).
Features: Cold Start function; USB Port (on SFCU models) for PC monitoring.
Output: Simulated Sine Wave output.
PROLINK 1500VA Power Backup UPS | AVR Protection And USB Fast Charging (EUPIN)
₨ 23,000.00Highlighted features of the PROLINK 1500VA Power Backup UPS:
- Capacity: 1500VA / 900W Line-Interactive power backup.
Voltage: True 3-Step AVR (Automatic Voltage Regulation) for voltage stabilization.
Charging: Super Fast Charging (recharges battery to 90% in 2–4 hours).
Protection: Full protection against Surges, Overload, and Short Circuit.
Compatibility: Supports Wide Input Voltage (140V–300V); Generator Compatible.
Monitoring: USB Port (on SFCU model) for software monitoring and safe shutdown.
Connections: Universal Sockets; RJ45 Ports for modem/fax protection.
Output: Simulated Sine Wave output.
PROLINK 1200VA UPS | AVR, USB Port And Super Fast Charging (UKPIN)
₨ 14,500.00Highlighted features of the PROLINK 1200VA UPS:
- Capacity: 1200VA Line-Interactive power backup.
Charging: Super Fast Charging (recharges battery to 90% in 2–4 hours).
Voltage: True 3-Step AVR (Automatic Voltage Regulation) with Boost & Buck correction.
Input Range: Supports Wide Input Voltage (140V–300V) without draining the battery.
Protection: Full protection against Surges, Overload, and Short Circuit.
Connections: Universal Sockets; RJ45 Ports for modem/fax protection.
Features: Cold Start function; USB Port on SFCU model for monitoring software.
Output: Simulated Sine Wave output.
PROLINK 1200VA Line-Interactive UPS | AVR, Super Fast Charging, 4x Universal Sockets (EUPIN)
₨ 13,500.00Highlighted features of the PROLINK 1200VA Line-Interactive UPS:
- Capacity: 1200VA / 720W Line-Interactive UPS (uses 2x 12V/8.2Ah batteries).
Charging: Super Fast Charging (recharges battery to 90% in 2-4 hours).
Voltage: True 3-Step AVR (Automatic Voltage Regulation) for stable output.
Input Range: Supports a Wide Input Voltage range (140V–300V) without using battery power.
Protection: Comprehensive protection against Surges, Overload, Short Circuit, and Over Temperature.
Compatibility: Generator Compatible and includes Universal Sockets.
Features: RJ45 Ports (Modem/Fax Protection); Cold Start function.
Monitoring (Optional): Available USB Port (SFCU models) for PC monitoring/auto-shutdown.
popular UPS brands in Nepal