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Compact black rectangular UPS with LCD screen and 12 outlets

CyberPower

CyberPower EC850LCD 850VA 510W 120V 12 Outlet UPS

SKU CH-939K-Z9RZX MPN EC850LCD

Provides 850VA/510W battery backup and surge protection with 12 NEMA 5-15R outlets, USB communication, and simulated sine wave output

  • Voltage version120 V
  • Input line frequency47–63 Hz
  • Power inputNEMA 5-15P
  • Volt-ampere rating850 VA
  • Power rating510 W
  • Voltage output120Vac +/- 5%

VA 850 VA

  • 850 VA capacity keeps desktop running during outages
  • 12 NEMA 5-15R outlets protect computers and peripherals
  • LCD panel shows real-time battery and load status
  • ECO mode cuts peripheral power when PC sleeps
  • USB port enables automated shutdown via PowerPanel software

Compact standby UPS for desktop and networking gear

The CyberPower EC850LCD is a 120 V standby uninterruptible power supply rated at 850 VA and 510 W. It provides simulated sine wave output and surge protection for desktop computers, workstations, networking devices and home entertainment systems. Twelve NEMA 5-15R outlets and a USB communication port offer broad connectivity for essential equipment. ECO Mode automatically cuts power to selected outlets when the host computer enters sleep or off states.

Capacity and headroom

At half load the internal sealed lead-acid battery delivers 7.9 minutes of runtime, dropping to 2.3 minutes at the full 510 W rating. The unit recharges in 8 hours and the battery is not user-replaceable. Automatic voltage regulation keeps output at 120 Vac ±5% while auto-sensing input frequency between 47 and 63 Hz. Overload and low-battery alarms warn before protection trips.

Upgrade path and when it matters

This model replaces basic surge strips by adding battery backup and USB-managed shutdown via PowerPanel Personal software. The jump is worthwhile when a power loss would corrupt open work or drop network links, and the 510 W ceiling covers typical single-PC-plus-peripheral loads. Builds requiring pure sine wave output, longer runtimes, user-swappable batteries or higher wattage headroom will need a different topology.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $89.99
Cheaper than about 92% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameCyberPower
Product lineEcologic
Model nameEC850LCD
Ports & slots
Communication portsUSB
Power
Voltage version120 V
Input line frequency47–63 Hz
Power inputNEMA 5-15P
Volt-ampere rating850 VA
Power rating510 W
Voltage output120Vac +/- 5%
AC output frequency50/60 Hz +/- 1% (auto-sensing)
Power outlets12
Battery typeSealed Lead Acid
Runtime on batteryAt half load: 7.9 minutes
At full load: 2.3 minute
Battery charge time8 h
Replacement batteryNo
AlertsBattery Mode
Low Battery
Overload
Surge protection rating526 Joules
Built-in protectionInternal Circuitry Limiting / Circuit Breaker Protected
Size & build
Product dimensions3.1 in × 12.2 in × 7 in
Product weight7.7 lb (3.49 kg)
Shipping weight4.26 kg
Package size386 × 246 × 112 mm
Environment & compliance
Regulatory approvalsUL1778, cUL CSA C22.2 No.107.3-05, FCC/DoC Class B, RoHS Compliant
Temperature rangeOperating Temperature: 32–104 °F (0–40 °C)
Storage Temperature: 5–113 °F (-15–45 °C)
Humidity rangeOperating Relative Humidity: 0–90 % (non-condensing)
Storage Relative Humidity: 0–95% (non-condensing)
Software
Control softwarePowerPanel Personal Edition

Other versions of this model

3 more in the same range

Questions about this item

Can I keep using my existing NEMA 5-15P power cords with the 12 NEMA 5-15R outlets on this 850VA UPS?

Yes, the 12 NEMA 5-15R outlets accept standard NEMA 5-15P plugs, so your current cords will fit directly without adapters.

How do I confirm the USB link and PowerPanel Personal software are communicating with the EC850LCD after I connect it?

Plug the USB cable into your PC, install PowerPanel Personal, and the dashboard will display real-time battery capacity, load level, input voltage and UPS status to confirm operation.

Which cables and accessories ship with the EC850LCD, and what must I purchase separately?

The unit includes a 5 ft NEMA 5-15P input cord, a USB communication cable and the PowerPanel Personal software license; no additional cables are required for basic battery-backup and surge protection.

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