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Vertiv UPS, ENERGY STAR certified

Vertiv PSA6-850LVT

850 VA / 530 W line interactive UPS.

Capacity

850 VA

530 W real power

Topology

Line Interactive

Efficiency

98.5%

weighted, as tested

Runtime @ 50%

8 min

1 min at full load

A UPS has two ratings and the lower one is the limit. This unit is rated 850 VA and 530 W, so the equipment plugged into its battery outlets should draw no more than about 424 W if you want the usual 20% headroom. How to size a UPS.

Its weighted efficiency of 98.5% compares with a median of 98.6% across 189 certified units within 25% of its capacity.

Maker
Vertiv
Model
PSA6-850LVT
Apparent power rating
850 VA
Real power rating
530 W
Power factor
0.62
Topology
Line Interactive
Intended use
Consumer, Commercial, Data Center
Battery
Valve Regulated Lead-acid Battery
Runtime at 50% load
8 min
Runtime at 100% load
1 min
Battery warranty
2 yr
Weighted efficiency
98.5%
Efficiency at 25 / 50 / 75 / 100% load
97.1% / 98.3% / 98.6% / 98.8%
Outlets
8 (6 battery + surge, 2 surge only)
Rack mountable
No
Rated input voltage
120 V
Rated output voltage
120 V
Connections
USB Port
Size (H x W x D)
290 x 120 x 288 mm
Maker take-back program
Yes
On the market since
Jan 2026
ENERGY STAR certified
12 May 2026

Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4611734, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the PSA6-850LVT

Certified UPS units from other makers within 25% of its VA rating.

ModelCapacityTopologyEfficiencyRuntime @ 50%
CyberPower CP825AVRLCDa850 VA / 450 WLine Interactive98.9%14 min
CyberPower CP825LCDa850 VA / 450 WPassive Standby98.4%14 min
APC BX850M850 VA / 510 WLine Interactive98.8%9 min
CyberPower EC850LCD850 VA / 510 WPassive Standby98.5%6 min
CyberPower S175UC850 VA / 510 WLine Interactive98.7%9 min
Tripp Lite AG-0316850 VA / 425 WPassive Standby99.0%9 min

Vertiv

More Vertiv UPS battery backups

ModelCapacityTopologyEfficiencyRuntime @ 50%
10B14763GG103450 kVA / 405 kWMulti-Mode Double Conversion97.2%30 min
10B14789GF103825 kVA / 743 kWMulti-Mode Double Conversion97.7%30 min
47SA040A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1]10 kVA / 10 kWMulti-Mode Double Conversion94.2%34 min
47SA100A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1]60 kVA / 60 kWMulti-Mode Double Conversion95.8%10 min
47SA120A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1]120 kVA / 120 kWMulti-Mode Double Conversion95.6%10 min
51SA030QAA30 kVA / 30 kWMulti-Mode Double Conversion96.3%10 min
51SA030QBA30 kVA / 30 kWMulti-Mode Double Conversion95.2%10 min
51SA050BAA50 kVA / 50 kWMulti-Mode Double Conversion96.4%10 min

All Vertiv UPS battery backups