UPS Battery Backups

500 VA, 400 Watts, rack, 4 Outlets

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APC Smart-UPS, Lithium-ion UPS, Rackmount 1U, 120V, 4X NEMA 5-15R Outlets, SmartConnect Port, Short Depth SCL500RM1UC,

$470.99as of 11/04/2026 05:06 PST - Details

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Spec score7.8

Pros

+500VA capacity suits small rack loads

+Lithium-ion battery for longer service life

+Pure sine wave output

+Four NEMA 5-15R outlets for connected equipment

+1U rackmount form factor saves rack space

Compared with the 6 UPS Battery Backups on this page

+Lithium battery: only 27 of 509 here have one

+Pure sine wave: only 90 of 509 here have one

−500 va: 224 of the 241 here have a higher va

−4 outlets: 87 of the 98 here have more outlets

−400 watts: 171 of the 197 here have more watts

How pros and cons are picked (About: Disclaimer)

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350 VA, 210 Watts, Standby, 4 Outlets

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Vertiv Liebert PowerUPS 100 PUL-350LVT Lithium-Ion UPS Battery Backup 350VA | Standby UPS, Surge Protection, 210W,

$139.99as of 11/04/2026 11:08 PST - Details

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Spec score7.5

Pros

+Lithium-ion battery for a compact, lightweight backup unit

+350 VA and 210 W capacity for small desktop equipment

+Four outlets for multiple connected devices

+Surge protection guards connected equipment from power spikes

Compared with the 6 UPS Battery Backups on this page

+Lithium battery: only 27 of 509 here have one

−350 va: 239 of the 241 here have a higher va

−210 watts: 191 of the 197 here have more watts

−Standby: 135 of the 140 here have a higher design

How pros and cons are picked (About: Disclaimer)

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6000 VA, 6000 Watts, rack, Online

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CyberPower OL6KRTHDL High-Density Smart App Online Sinewave UPS | Long Run Time, Double Conversion Topology,

$8,923.63as of 11/04/2026 05:09 PST - Details

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Spec score8.6

Pros

+6000VA and 6000W capacity for very heavy rack loads

+Online double conversion topology for continuous power conditioning

+Pure sine wave output for sensitive equipment

+Network monitoring for remote management

+Rackmount design fits standard server racks

Cons

−Only 4 outlets for connected devices

Compared with the 6 UPS Battery Backups on this page

+Online: the highest design of the 140 here

+Network card: only 33 of 509 here have one

+6000 watts: only 21 of 197 here have more watts

+Shutdown software: only 57 of 509 here have one

−4 outlets: 87 of the 98 here have more outlets

How pros and cons are picked (About: Disclaimer)

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5000 VA, 5000 Watts, rack, Online

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CyberPower OL5KRTHDL High-Density Smart App Online Sinewave UPS | Long Run Time, Double Conversion Topology,

$7,403.95as of 11/04/2026 11:08 PST - Details

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Spec score8.5

Pros

+5000VA and 5000W capacity for heavy rack loads

+Online double conversion topology for continuous power conditioning

+Pure sine wave output for sensitive equipment

+Network monitoring for remote management

+Rackmount design fits standard server racks

Cons

−Only 4 outlets for connected devices

Compared with the 6 UPS Battery Backups on this page

+Online: the highest design of the 140 here

+Network card: only 33 of 509 here have one

+Shutdown software: only 57 of 509 here have one

+5000 watts: only 30 of 197 here have more watts

−4 outlets: 87 of the 98 here have more outlets

How pros and cons are picked (About: Disclaimer)

About this product

500 VA, 400 Watts, rack, Line interactive

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APC Smart-UPS, Line Interactive, 500VA, Lithium-ion, Rackmount 1U, 120V, 4x NEMA 5-15R outlets, Short Depth - 1U

$520.29as of 11/04/2026 05:06 PST - Details

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Spec score8.2

Pros

+500VA capacity suits small rack loads

+Lithium-ion battery for longer service life

+Pure sine wave output

+Four NEMA 5-15R outlets for connected equipment

+1U rackmount form factor saves rack space

Cons

−Line-interactive topology, not double-conversion online

Compared with the 6 UPS Battery Backups on this page

+Lithium battery: only 27 of 509 here have one

+Shutdown software: only 57 of 509 here have one

+Pure sine wave: only 90 of 509 here have one

−500 va: 224 of the 241 here have a higher va

−4 outlets: 87 of the 98 here have more outlets

−400 watts: 171 of the 197 here have more watts

How pros and cons are picked (About: Disclaimer)

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1500 VA, 1500 Watts, tower, Online

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OPTI-UPS DS1500E II (1500VA / 1500W) Online Double Conversion Uninterruptible Power Supply, Pure Sine Wave, UPS BatteryNo price recorded yet.View on Amazon

Spec score7.7

Pros

+Pure sine wave output

+Online double conversion topology

+Four outlets for connected equipment

+Tower form factor

Compared with the 6 UPS Battery Backups on this page

+Online: the highest design of the 140 here

+Pure sine wave: only 90 of 509 here have one

+1500 watts: 132 of the 197 here have fewer watts

−4 outlets: 87 of the 98 here have more outlets

How pros and cons are picked (About: Disclaimer)

About this product