Mecer 850VA Line Interactive UPS (ME-850-VU)

Capacity

• 850VA / 480W

Input

• Voltage: 110/120V or 220/230/240V

• Voltage Range: 81–145V (110/120V) or 162–290V (220/230/240V)

• Frequency: 50/60Hz (auto sensing)

Output

• Voltage (Battery Mode): 230V ±10%

• Frequency (Battery Mode): 50/60Hz ±1Hz

• Waveform: Simulated sine wave

• Transfer Time: 2–6ms typical (max 10ms)

Battery

• Type: 12V / 9Ah sealed lead-acid

• Backup Time: 5–20 minutes depending on load

• Recharge Time: 4–6 hours to 90%

Protection & Features

• Auto Voltage Regulation (Boost and Buck)

• Surge and spike protection

• Overload, over-discharge, and overcharge protection

• Cold start capability

• Intelligent battery management

Connections

• Typically 4 × IEC output sockets

• USB port for monitoring (some models include RS232)

Indicators & Alerts

• LED indicators for mains, battery, and fault status

• Audible alarms:

  • Battery mode

  • Low battery

  • Overload

  • Fault condition

Physical Specs

• Dimensions: ~287 × 100 × 142 mm

• Weight: ~4.9 kg

• Operating Temperature: 0–40°C

• Humidity: 0–90% (non-condensing)

• Noise Level: <40 dB