nJoy Keen 1500 USB Line-Interactive UPS - 900 W / 1500 VA - 4 FR outlets (UPLI-LI150KU-CG)
Protects a workstation: the USB port triggers an automatic, clean shutdown of the PC during an outage, with telephone/network line (RJ11/RJ45) protection.
Runtime around 8 minutes at half load (450 W), 2 minutes at 75%
All outlets are battery-backed
Telephone/network line (RJ11/RJ45) surge protection
Desktop UPS to protect a complete workstation: line-interactive with voltage regulation and 1500 VA / 900 W. Technology & protection: it switches to battery the instant the power cuts out, absorbs surges and corrects voltage dips and spikes to deliver steady power. Power: 1500 VA for 900 W of usable output — a PC, one or two monitors and their accessories. Outlets: 4 Schuko outlets (earthed household sockets) — plug straight in, no adapter needed. Management: USB port for automatic, clean shutdown of the PC. Ideal, for example, for a demanding workstation, a point of sale or a small NAS. Remember to check how much power your equipment draws and to choose the capacity according to the runtime you need.
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Frequently asked questions about this product
How long does the UPS really last on battery with my workstation?
It all depends on the connected load: 22 minutes at 25% load, 8 minutes at 50% (450 W), 2 minutes at 75% and less than a minute at full load. The aim is to save your work and shut down properly, not to keep working for another hour.
Why does 1500 VA give only 900 W of usable power?
Because the power factor is 0.6, measured at nominal voltage and full load: 1500 VA × 0.6 = 900 W. It is this wattage that you should compare with the actual consumption of your equipment — a PC, one or two monitors and their accessories — and not the VA highlighted on the packaging.
Is the battery output a pure sine wave?
No. In battery mode, the waveform is a simulated sine wave, at 230 V and 50/60 Hz ± 1%, with a voltage accuracy of ± 10%. If your equipment strictly requires a pure sine wave, this line-interactive model is not the right choice.
Are all four outlets backed by the battery?
Yes, all four Schuko outlets are powered by the battery during a power cut, and protected against overload, surges and short circuits. They are complemented by two RJ11/45 ports (in/out) that protect the modem, telephone or network line against surges.
Is the battery replaceable at the end of its life?
Yes. The Keen 1500 houses two internal GP09122L batteries, and nJoy lists sealed, maintenance-free replacement batteries (GP09122F, HR09122F, GPL09122F), some of them with a 24-month extended warranty. The batteries are internal only.
How long does it take to recharge the battery after a power cut?
Allow about 6 hours to get back to 90% capacity. Charging is automatic and continues with the unit switched off: you do not need to leave the UPS on for it to recover.
Is there an LCD screen to monitor the load and the battery?
No, there is no LCD screen. Status is read from LED indicators backed by an audible alarm: load level, battery level, mains mode, battery mode and fault indicator. Monitoring from the computer goes through the USB port and nJoy's PowerMonitor software.
What does it do when the mains voltage drops or rises without a power cut?
It corrects it on its own, thanks to the automatic voltage regulator (AVR): it accepts an input between 162 and 290 V and delivers 230 V ± 10%. On an unstable grid, this is what supplies your equipment with stable power.
How quickly does it switch to battery when the power goes off?
The transfer time is 4 ms typically. When power returns, it restarts automatically and resumes charging the battery, without any action on your part.
Can it shut down the PC on its own if I am not in front of it?
Yes. The HID USB communication port lets the computer communicate with the UPS and trigger an automatic, clean shutdown before the battery runs out, via nJoy's PowerMonitor software. The USB driver for the Keen series is available from nJoy.
How much space does it take up, and is it noisy under a desk?
In tower format, it measures 298 × 148 × 178 mm and weighs 9.2 kg: it goes on the floor rather than on the desktop, and stays below 40 dB. Note the 1.2 m power cord: make sure a wall socket is close enough.
Is the nJoy Keen 1500 UPS new, and how long is it guaranteed?
It is new, sealed in its original packaging, and covered by a 3-year warranty, for which your invoice serves as proof. It complies with the CE and RoHS directives (2011/65/EU). Full details are given in the datasheet (PDF).
Automatic voltage regulator (AVR) that protects the battery from current fluctuations. Comfortable runtime for a PC and its accessories, long enough to save and shut down cleanly.
Protects a computer workstation and its peripherals, with reinforced network/telephone protection up to 1 Gb/s (RJ11/RJ45) and confirmed compatibility with Synology NAS units.
600 W of usable power for a complete computer setup, with a built-in voltage regulator that corrects fluctuations without drawing on the battery. Compact (5.7 kg), plugs in directly without an adapter.
Built-in voltage regulator and overload circuit breaker — protects your devices without needlessly drawing on the battery. Around 5 minutes of runtime at half load.
Stabilises the current and protects a workstation and its peripherals against outages and surges, without drawing on the battery during voltage fluctuations. Around 9 minutes of runtime at half load.
Automatic voltage regulation (AVR) that absorbs power fluctuations without drawing on the battery. Comfortable runtime for a full workstation, long enough to save everything before shutdown.
Automatic voltage regulator (AVR) that absorbs voltage dips and surges — a real asset where the electricity network is unstable. French outlets, plug in directly with no adapter.
Desktop UPS with automatic voltage regulation: it corrects drops and surges in the mains without drawing on the battery. Very quiet operation, designed for a demanding workstation.
•Runtime around 9 minutes at half load (5 minutes at 70%)
•8 French outlets, 4 of them battery-backed and 4 surge-protected
•USB port for automatic PC shutdown (Eaton UPS Companion software included)
Automatic voltage regulation (AVR) that protects the battery from current fluctuations. French outlets for plugging your equipment in directly, without an adapter.
Built-in voltage regulator and overload circuit breaker — protects your devices without needlessly drawing on the battery. Around 5 minutes of runtime at half load.
Automatic voltage regulator (AVR) that absorbs voltage dips and surges — a real asset where the electricity network is unstable. French outlets, plug in directly with no adapter.
Desktop UPS with automatic voltage regulation: it corrects drops and surges in the mains without drawing on the battery. Very quiet operation, designed for a workstation and its peripherals.
Automatic voltage regulation (AVR) that absorbs power fluctuations without drawing on the battery. Comfortable runtime for a full workstation, long enough to save everything before shutdown.
Protects a demanding workstation or a small server: the voltage regulator corrects drops and surges without draining the battery. Around 9 minutes of runtime at half load.
Desktop UPS with automatic voltage regulation: it corrects drops and surges in the mains without drawing on the battery. Very quiet operation, designed for a computer workstation.
Automatic voltage regulator (AVR) that protects the battery from current fluctuations. Comfortable runtime for a PC and its accessories, long enough to save and shut down cleanly.