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Eaton UPS, ENERGY STAR certified

Eaton 5P1550RT2UG2-L

1,440 VA / 1,350 W line interactive UPS.

Capacity

1,440 VA

1,350 W real power

Topology

Line Interactive

Efficiency

98.7%

weighted, as tested

Runtime @ 50%

12 min

6 min at full load

A UPS has two ratings and the lower one is the limit. This unit is rated 1,440 VA and 1,350 W, so the equipment plugged into its battery outlets should draw no more than about 1,080 W if you want the usual 20% headroom. How to size a UPS.

Its weighted efficiency of 98.7% compares with a median of 98.7% across 158 certified units within 25% of its capacity.

Maker
Eaton
Model
5P1550RT2UG2-L
Apparent power rating
1,440 VA
Real power rating
1,350 W
Power factor
0.94
Topology
Line Interactive
Intended use
Consumer, Commercial, Data Center
Battery
Lithium-ion Battery
Runtime at 50% load
12 min
Runtime at 100% load
6 min
Battery warranty
8 yr
Weighted efficiency
98.7%
Efficiency at 25 / 50 / 75 / 100% load
- / 98.8% / 98.8% / 98.7%
Rack mountable
Yes, 2U
Rated input voltage
100-125 V
Rated output voltage
100-125 V
Connections
Serial Port,Ethernet,USB Port
Size (H x W x D)
86 x 438 x 360 mm
Maker take-back program
No
On the market since
Mar 2026
ENERGY STAR certified
4 Mar 2026

Certified under the same record

The maker lists these as the same machine or a variant of it: 5P1550RT2UNG2-L.

Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4572898, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the 5P1550RT2UG2-L

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

ModelCapacityTopologyEfficiencyRuntime @ 50%
Tripp Lite AG-87C31,440 VA / 900 WPassive Standby98.7%11 min
Vertiv PSA5-1500MT1201,440 VA / 900 WLine Interactive98.5%11 min
APC SMX1500RM2UC1,440 VA / 1,350 WLine Interactive98.9%14 min
APC SMX1500RM2UCNC1,440 VA / 1,350 WLine Interactive98.9%14 min
APC SMX1500RM2UCUS1,440 VA / 1,350 WLine Interactive98.9%14 min
APC SMX1500RM2UCNCUS1,440 VA / 1,350 WLine Interactive98.9%14 min

Eaton

More Eaton UPS battery backups

ModelCapacityTopologyEfficiencyRuntime @ 50%
5P1000RT2UG2-L1,000 VA / 920 WLine Interactive98.6%18 min
5P1150IRT2UG2-L1,150 VA / 920 WLine Interactive98.5%18 min
5P1550IRT2UG2-L1,550 VA / 1,350 WLine Interactive98.9%12 min
5P550RG2-L550 VA / 495 WLine Interactive98.5%18 min
5P650IRG2-L650 VA / 520 WLine Interactive98.4%16 min
5PX1000IRT2UG21,000 VA / 1,000 WLine Interactive98.5%17 min
5PX1000RTG21,000 VA / 1,000 WLine Interactive98.5%16 min
5PX1500IRT2UG21,500 VA / 1,500 WLine Interactive98.6%14 min

All Eaton UPS battery backups