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Tripp Lite UPS, ENERGY STAR certified

Tripp Lite AG-0394

450 VA / 255 W passive standby UPS, model number BC450.

Capacity

450 VA

255 W real power

Topology

Passive Standby

Efficiency

98.7%

weighted, as tested

Runtime @ 50%

7 min

2 min at full load

A UPS has two ratings and the lower one is the limit. This unit is rated 450 VA and 255 W, so the equipment plugged into its battery outlets should draw no more than about 204 W if you want the usual 20% headroom. How to size a UPS.

Its weighted efficiency of 98.7% compares with a median of 98.4% across 48 certified units within 25% of its capacity. With nothing plugged in it still draws 2.1 W, about $2.40 a year at 13¢/kWh just to stand ready.

Maker
Tripp Lite
Model
AG-0394
Model number
BC450
Apparent power rating
450 VA
Real power rating
255 W
Power factor
0.57
Topology
Passive Standby
Intended use
Consumer, Commercial
Battery
Valve Regulated Lead-acid Battery
Runtime at 50% load
7 min
Runtime at 100% load
2 min
Battery warranty
3 yr
Weighted efficiency
98.7%
Efficiency at 25 / 50 / 75 / 100% load
97.3% / 98.7% / 99.1% / 99.3%
Input power at no load
2.1 W
Outlets
8 (4 battery + surge, 4 surge only)
Rack mountable
No
Rated input voltage
184-120 V
Rated output voltage
120 V
Connections
None
Size (H x W x D)
105 x 110 x 184 mm
Maker take-back program
Yes
On the market since
Sep 2019
ENERGY STAR certified
9 Nov 2021

Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2387972, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the AG-0394

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

ModelCapacityTopologyEfficiencyRuntime @ 50%
CyberPower SE450G1450 VA / 260 WPassive Standby97.8%6 min
CyberPower SE450G450 VA / 260 WPassive Standby97.8%7 min
Minuteman EN450G450 VA / 250 WPassive Standby97.9%10 min
CyberPower ST425425 VA / 260 WPassive Standby97.8%6 min
CyberPower CP425G3425 VA / 255 WPassive Standby97.9%8 min
APC Back-UPS 500 (beige)500 VA / 300 WPassive Standby98.6%15 min

Tripp Lite

More Tripp Lite UPS battery backups

ModelCapacityTopologyEfficiencyRuntime @ 50%
AG-00051,500 VA / 940 WLine Interactive98.7%11 min
AG-00671,500 VA / 810 WLine Interactive98.8%8 min
AG-0305350 VA / 210 WPassive Standby98.7%7 min
AG-0306350 VA / 210 WPassive Standby98.7%7 min
AG-0308750 VA / 450 WLine Interactive99.3%3 min
AG-0309900 VA / 480 WLine Interactive99.3%3 min
AG-030D500 VA / 260 WPassive Standby97.6%7 min
AG-030E550 VA / 300 WPassive Standby97.9%5 min

All Tripp Lite UPS battery backups