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Compact black rectangular UPS unit with eight NEMA outlets and a USB port

CyberPower

CyberPower EC550G 550VA/330W UPS 120V 8 Outlets

SKU CH-7H3B-JJR5W MPN EC550G

Battery backup and surge protector delivering 550 VA / 330 W with eight outlets, USB and RJ11 protection

  • AC input voltage96–140 V
  • Input line frequency47–63 Hz
  • Power inputNEMA 5-15P
  • Volt-ampere rating550 VA
  • Power rating330 W
  • Voltage output120Vac +/- 5% Battery Operation

VA 550 VA

  • Protects eight devices with 550 VA / 330 W battery backup
  • Cuts peripheral power automatically in ECO mode to save energy
  • Simulated sine wave output keeps desktop PCs running during outages
  • USB port enables PowerPanel software monitoring and safe shutdown
  • 526-joule surge rating plus RJ11 phone-line protection shields connected gear

Compact standby UPS for desktop and networking gear

The CyberPower EC550G is a 550 VA / 330 W standby UPS with simulated sine wave output designed to keep desktop computers, workstations, networking devices and home entertainment systems running during brief outages. It provides eight NEMA 5-15R outlets, a USB communication port and RJ11 phone line protection in a compact 120 V package.

Standby topology with ECO mode and GreenPower

The unit operates on standby topology and includes an ECO mode that automatically cuts power to designated outlets when the connected computer is off or asleep, reducing energy consumption. GreenPower UPS technology further lowers power draw through a high-efficiency charger and inverter, while full-time surge protection rated at 526 joules guards equipment continuously.

Replaces basic surge strips lacking battery backup

This UPS upgrades a standard power strip by adding battery runtime of 2.4 minutes at 300 W or 7.35 minutes at 150 W, enough for a controlled shutdown via the included PowerPanel Personal software. It is not suited for loads exceeding 330 W, for equipment requiring pure sine wave output or for installations needing extended runtime beyond a few minutes.

How it compares

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

Price $72.99
Cheaper than about 94% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameCyberPower
Product lineEcologic
Model nameEC550G
VariantNo
Ports & slots
Communication portsUSB
Protected data linesPhone Protection RJ11
Power
AC input voltage96–140 V
Input line frequency47–63 Hz
Power inputNEMA 5-15P
Volt-ampere rating550 VA
Power rating330 W
Voltage output120Vac +/- 5% Battery Operation
Power outlets8
Battery typeSealed Lead Acid
Runtime on battery2.4 minutes (300 W)
7.35 minutes (150 W)
Battery charge time8 Hour(s)
AlertsOn battery, low battery, overload
Surge protection rating526 joules
Size & build
Product dimensions3.1 in × 5.9 in × 10.6 in
Product weight6 lb (2.72 kg)
Shipping weight2.91 kg
Package size338 × 206 × 112 mm
Environment & compliance
Regulatory approvalsUL1778, cUL 107.3, FCC DOC Class B
More details
VA550 VA

Other versions of this model

3 more in the same range

Questions about this item

How do I set up the EC550G and which step is often missed?

Plug the NEMA 5-15P cord into a grounded 120 V wall outlet, connect equipment to the eight NEMA 5-15R outlets, then install PowerPanel Personal and link the USB cable so the software can manage automatic shutdown.

What maintenance will the EC550G need over time?

The sealed lead-acid battery typically requires replacement after three to five years; recharge takes eight hours after each discharge cycle.

What limit appears first during a long outage on the EC550G?

Battery runtime is the limiting factor: 2.4 minutes at 300 W or 7.35 minutes at 150 W before the unit shuts down.

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