UPS battery backupsENERGY STAR certified
Eaton 9PX8KG2-L
8,000 VA / 8,000 W double conversion UPS.
Capacity
8,000 VA
8,000 W real power
Topology
Double Conversion
Efficiency
97.6%
weighted, as tested
Runtime @ 50%
22 min
11 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 8,000 VA and 8,000 W, so the equipment plugged into its battery outlets should draw no more than about 6,400 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 97.6% compares with a median of 94.8% across 92 certified units within 25% of its capacity.
- Maker
- Eaton
- Model
- 9PX8KG2-L
- Apparent power rating
- 8,000 VA
- Real power rating
- 8,000 W
- Power factor
- 1.00
- Topology
- Double Conversion
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Lithium-ion Battery
- Runtime at 50% load
- 22 min
- Runtime at 100% load
- 11 min
- Battery warranty
- 5 yr
- Weighted efficiency
- 97.6%
- Efficiency at 25 / 50 / 75 / 100% load
- - / 97.6% / 97.7% / 97.7%
- Rack mountable
- Yes, 4U
- Rated input voltage
- 200-240 V
- Rated output voltage
- 200-240 V
- Connections
- Serial Port,Ethernet,USB Port
- Size (H x W x D)
- 174 x 440 x 725 mm
- Maker take-back program
- No
- On the market since
- Nov 2025
- ENERGY STAR certified
- 23 Oct 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: 9PX8KG2, 9PX8KIRTG2, 9PX8KIRTNBPG2, 9PX8KIRTNG2, 9SX8KIG2, 9SX8KIRT4UG2.
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4514100, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the 9PX8KG2-L
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Delta RT-8K | 8,000 VA / 8,000 W | Double Conversion | 94.5% | 15 min |
| APC Dell Smart-UPS SRT 8000VA Tower/RM 208V | 8,000 VA / 8,000 W | Multi-Mode Double Conversion | 95.1% | 14 min |
| APC Smart-UPS SRT 8000VA RM 208V | 8,000 VA / 8,000 W | Multi-Mode Double Conversion | 95.1% | 14 min |
| APC Smart-UPS SRT 8000VA RM 208V IEC | 8,000 VA / 8,000 W | Multi-Mode Double Conversion | 95.1% | 14 min |
| APC Smart-UPS SRT 8000VA 208V | 8,000 VA / 8,000 W | Multi-Mode Double Conversion | 95.1% | 14 min |
| APC Smart-UPS SRT 8000VA 208V TAA | 8,000 VA / 8,000 W | Multi-Mode Double Conversion | 95.1% | 14 min |
Eaton
More Eaton UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| 5P1000RT2UG2-L | 1,000 VA / 920 W | Line Interactive | 98.6% | 18 min |
| 5P1150IRT2UG2-L | 1,150 VA / 920 W | Line Interactive | 98.5% | 18 min |
| 5P1550IRT2UG2-L | 1,550 VA / 1,350 W | Line Interactive | 98.9% | 12 min |
| 5P1550RT2UG2-L | 1,440 VA / 1,350 W | Line Interactive | 98.7% | 12 min |
| 5P550RG2-L | 550 VA / 495 W | Line Interactive | 98.5% | 18 min |
| 5P650IRG2-L | 650 VA / 520 W | Line Interactive | 98.4% | 16 min |
| 5PX1000IRT2UG2 | 1,000 VA / 1,000 W | Line Interactive | 98.5% | 17 min |
| 5PX1000RTG2 | 1,000 VA / 1,000 W | Line Interactive | 98.5% | 16 min |