CyberPower Standby UPS Series – 550VA / 330W – 8x NEMA 5-15R – USB – Simulated Sine Wave – Line Interactive (CP550SLG)


550VA, 330W, 2min Full Load, 8x NEMA 5-15R

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The CyberPower Standby CP550SLG uninterruptible power supply (UPS) safeguards a home office PC and other electronics (monitors, printers, scanners, speakers, fax machines, CD/DVD players and iPods) from surges, spikes, sags, brownouts and other power abnormalities. Its composite integrated circuitry offers advanced lightning protection. Patented GreenPower UPS™ advanced circuitry reduces UPS energy costs by up to 75% compared to competitive models.

The CP550SLG unit has a capacity of 550VA/330Watts, eight (8) NEMA 5-15R receptacles, widely-spaced to accommodate transformer-based plugs. Its compact design allows for horizontal or vertical placement, or it can be conveniently mounted on a wall. This UPS has a maintenance-free, 12V/4.5Ah battery and offers connectivity via one (1) HID USB port. Protection for phone/network (RJ11) is also included. EMI/RFI filters increase the immunity of the load to disturbances and surges. PowerPanel® Personal Edition UPS Management software is included to monitor the vitals of the UPS and will safely shutdown the system in case of a power outage.

A Three-Year Warranty ensures that this UPS has passed our highest quality standards in design, assembly, material or workmanship and further protection is offered by a $100,000 Connected Equipment Guarantee.

– 550VA / 330W Simulated sine wave UPS
– Standby Topology
– GreenPower UPS™
– Full-time Surge Protection and Battery Backup
– Compact Desktop Form Factor
– RJ11 Protection (1-in / 2 Out)
– 8 Outlets / USB port
– EMI/RFI filters
– PowerPanel® Personal Edition

Additional information

Weight 3.37926 kg
Output power capacity

550 VA

Hot-swap battery


Nominal input voltage

96-140 V

Nominal output voltage

110-120 V

RoHS compliance



UL1778, cUL 107.3, FCC DOC Class B

Operating relative humidity (H-H)

0 – 90%

Operating temperature (T-T)

0 – 35 °C

Audible alarm(s)


LED indicators


UPS topology

Standby (Offline)

Product colour


Form factor


Replacement battery cartridge


Output power

330 W

Typical backup time at full load

2 min

Typical backup time at half load

8 min

Battery recharge time

8 h

Battery type


Battery technology

Sealed Lead Acid (VRLA)

Modem (RJ-11) ports


USB 2.0 ports quantity


AC outlets quantity

8 AC outlet(s)

Cable length

1.52 m

AC outlet types

NEMA 5–15R

Surge energy rating

890 J

Power supply input frequency

50/60 Hz

Dimensions (W x D x H) (imperial)

247.7 x 76.2 x 152.4 mm (9.75 x 3 x 6")


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