EVI 850VA 480W Line Interactive UPS with AVR – EP-UPS850UU2-UK

The EVI 850VA 480W Line Interactive UPS offers dependable power backup and voltage regulation for sensitive electronic devices in home and office environments. Built with advanced features like intelligent battery management, cold start functionality, and Automatic Voltage Regulation (AVR), this UPS protects computers, routers, CCTV systems, and POS terminals from power disturbances. Its compact design, quick recharge cycle, and universal output sockets make it an ideal solution for maintaining uptime and preventing data loss during outages or voltage instability.

Product Features

Line Interactive UPS with Built-in AVR

This UPS uses line interactive technology and includes built-in boost and buck AVR, which automatically corrects both low and high voltage without switching to battery power. This improves power quality and reduces battery wear.

850VA / 480W Output Power

Provides up to 480 watts of output, suitable for desktops, networking equipment, and other low to medium-load electronics. Designed to keep essential devices operational during blackouts and voltage drops.

Intelligent Battery Management

Optimizes battery performance and longevity through efficient charging and discharging cycles, ensuring extended battery life and reliable power during emergencies.

Cold Start Function

Enables the UPS to power devices directly from battery when AC input is unavailable. This feature is useful during complete outages or when testing systems without mains supply.

Universal Output Sockets

Equipped with two universal output sockets compatible with a wide range of plugs. Supports multiple device types without the need for additional converters or adapters.

LED Indicators and Audible Alarms

LED status lights provide at-a-glance monitoring of power mode, battery condition, and system faults. Built-in audible alarms notify users of battery mode, low battery, and overload conditions.

Compact and Durable Design

Designed for home and office spaces, the unit has a compact and efficient form factor, built to deliver reliable performance without occupying significant space.

Product Specifications

• Capacity: 850VA / 480W
• UPS Topology: Line Interactive
• AVR Type: Boost and Buck
• Input Voltage Range: 140V – 300V AC
• Input Frequency Range: 45Hz – 65Hz (Auto sensing)
• Output Voltage (Battery Mode): 230V ±10%
• Output Frequency (Battery Mode): 50Hz or 60Hz ±1Hz
• Output Waveform (Battery Mode): Simulated Sine Wave
• Battery Type: 1 × 12V 9Ah Sealed Lead-Acid (maintenance-free)
• Recharge Time: 6 – 8 hours to 90% capacity
• Backup Time: 10 – 20 minutes depending on connected load
• Output Sockets: 2 × Universal Output Sockets
• Cold Start: Supported
• Battery Management: Intelligent charging and overload protection
• Indicators: LED (AC Mode, Battery Mode, Fault)
• Audible Alarms: Battery Mode, Low Battery, Overload
• Operating Temperature: 0°C to 40°C
• Relative Humidity: 0% – 90% non-condensing
• Warranty: 2 years on UPS unit, 1 year on battery
• Model Number: EP-UPS850UU2-UK