Mecer 850VA line interactive UPS(ME850-VU)

Key Specifications

• Capacity: 850 VA / 480 W

• Topology: Line-interactive with AVR to correct voltage dips and spikes without draining the battery 

• Switchover Time: 2–6 ms (max 10 ms) — rapid transition to battery mode 

• Waveform: Simulated sine wave — compatible with general electronic devices 

🔋 Battery & Backup

• Battery: 12 V / 9 Ah (single sealed lead‑acid) 

• Recharge Time: Reaches about 90% capacity in 4–6 hours 

🌐 Input, Outputs & Connectivity

• Voltage Support: Auto-sensing 110–120 V or 220–240 V, with a wide input tolerance of 81–145 V / 162–290 V 

• Outlets: One regional 3-pin plus two IEC C13 ports 

• Protection: Built-in surge protection for power, RJ‑11 (phone/fax), and RJ‑45 (network) 

• Connectivity: USB (and optional RS‑232) port – compatible with Windows, Linux, macOS, and Unix 

💡 Indicators & Alarms

• LED Indicators: Green (AC mode), Yellow flashing (battery), Red (fault) Audible Alarms: Patterns for low battery, overload, battery replacement, and faults 

🏗️ Physical Specs & Noise

• Dimensions: 287 × 100 × 142 mm 

• Weight: Approximately 4.9 kg 

• Noise Level: < 40 dB — quiet, fanless operation 

🔒 Safety & Features

• Full Protection: Includes overload, overcharge, discharge protection, auto-restart, cold-start, and off-mode charging 

✅ Summary Table

🎯 Recommended Uses

This UPS is well-suited for protecting PCs, routers, CCTV cameras, and POS terminals in environments with frequent power fluctuations or short outages. Its compact, quiet design and AVR functionality make it ideal for home offices and small businesses.