UPS battery backupsENERGY STAR certified
N1C.LK6000
6,000 VA / 6,000 W double conversion UPS.
Capacity
6,000 VA
6,000 W real power
Topology
Double Conversion
Efficiency
94.7%
weighted, as tested
Runtime @ 50%
-
not reported by the maker
A UPS has two ratings and the lower one is the limit. This unit is rated 6,000 VA and 6,000 W, so the equipment plugged into its battery outlets should draw no more than about 4,800 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 94.7% compares with a median of 94.6% across 98 certified units within 25% of its capacity.
- Maker
- N1C
- Model
- N1C.LK6000
- Apparent power rating
- 6,000 VA
- Real power rating
- 6,000 W
- Power factor
- 1.00
- Topology
- Double Conversion
- Intended use
- Commercial, Data Center
- Battery
- Lithium-ion Battery
- Weighted efficiency
- 94.7%
- Efficiency at 25 / 50 / 75 / 100% load
- 93.3% / 94.8% / 94.8% / 94.6%
- Rack mountable
- Yes, 2U
- Rated input voltage
- 208-240 V
- Rated output voltage
- 208-240 V
- Connections
- Serial Port,Other,Ethernet,USB Port
- Size (H x W x D)
- 87 x 440 x 622 mm
- Maker take-back program
- No
- On the market since
- Aug 2025
- ENERGY STAR certified
- 10 Nov 2025
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4515112, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the N1C.LK6000
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Liebert GXT5-6000IRT5UXLN | 6,000 VA / 6,000 W | Multi-Mode Double Conversion | 94.9% | 14 min |
| Vertiv GXT5-6000IRT5UXLN | 6,000 VA / 6,000 W | Multi-Mode Double Conversion | 94.9% | 14 min |
| Liebert GXE-06k00TL1102C00 | 6,000 VA / 5,400 W | Multi-Mode Double Conversion | 95.4% | 14 min |
| Vertiv GXE-06k00TL1102C00 | 6,000 VA / 5,400 W | Multi-Mode Double Conversion | 95.4% | 14 min |
| Eaton 9PX6Ki | 6,000 VA / 5,400 W | Double Conversion | 93.7% | 8 min |
| Eaton 9PX6K | 6,000 VA / 5,400 W | Double Conversion | 93.7% | 8 min |
N1C
More N1C UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| N1C.LK10000 | 10 kVA / 10 kW | Double Conversion | 94.9% | - |
| N1C.LK5000 | 5,000 VA / 5,000 W | Double Conversion | 94.8% | - |