EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 49″ · 5120×1440 · LED LCD

Japannext JN-49V120DQ-HSC9

F

Uses less electricity than 88% of the 335 monitors, 43–54″ on the EU register. At your selected price (European Union) that is €15 a year, €151 over ten years.

Power, SDR
36.5 W
Typical 45 W
Running cost
€15 / year
4 h a day
Power, HDR
36.6 W
1.0× SDR

In the most efficient quarter of its group: 19 % below the typical 66 kWh. Class F is the most common class in this group (47% of models). On-mode power in SDR is 36.5 W; the typical screen of this size draws 45.0 W. Of 7 Japannext models in this group, it is the most efficient. Registered in Oct 2026, one of the newer models in its group.

Where it stands

Rank 39 of 335 monitors, 43–54″ by yearly consumption. 38 use less.

Median 66 This model · 53 10 275 kWh ← uses less · uses more →

Next to it in the ranking

  1. E Rampage CYCLOPS CY49R165 51 kWh −€0.62
  2. F Lenovo R45w-30(F234455Y0) 51 kWh −€0.54
  3. F Japannext JN-49V120DQ-HSC9 53 kWh
  4. F LG 45GR65DC 54 kWh +€0.11
  5. F LG 45GR75DC 54 kWh +€0.11
See the full ranking

What it will cost you

Period JN-49V120DQ-HSC9 FT485MOB Difference
1 year €15 €11 −€4
5 years €75 €56 −€20
10 years €151 €112 −€39
15 years €226 €167 −€59

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

SDR 36.5 W
HDR 36.6 W
Group median, SDR 45.0 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 27 €8
4 hours a day 53 €15
8 hours a day 107 €30

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model SizeSDR W kWh / yr Saves / year in 10 years
F Japannext JN-49V120DQ-HSC9 (this model)
49″36.5 53 — —
48″27.0 39 €4 €39
49″31.0 45 €2 €23
49″31.0 45 €2 €23
49″32.0 47 €2 €19

Label and product sheet

Energy class SDR / HDR
F / F
On-mode power SDR
36.5 W
On-mode power HDR
36.6 W
Standby / networked standby
0.3 W
Screen diagonal
49″
Resolution
5120×1440
Panel
LED LCD
Refresh rate
120 Hz
Software updates (minimum)
10 years
Guarantee (supplier)
10 years
Spare parts (minimum)
10 years

Model numbers and history

Registered by Japannext under one model number.

JN-49V120DQ-HSC9

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the Japannext JN-49V120DQ-HSC9 cost to run?

At 4 hours a day it uses about 53 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €15 a year, or €151 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 36.6 W instead of 36.5 W, 1.0 times as much. The yearly cost on this page uses SDR, as the label does.