EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 21″ · 1920×1080 · LCD

Zeuslap Z21Lite

C

Uses less electricity than 39% of the 2,372 monitors, under 24″ on the EU register. At your selected price (European Union) that is €4 a year, €40 over ten years.

Power, SDR
9.7 W
Typical 8 W
Running cost
€4 / year
4 h a day

Near the middle of its group: 23 % above the typical 12 kWh. 38% of comparable models reach a better class than C; the most common is E. On-mode power in SDR is 9.7 W; the typical screen of this size draws 7.9 W. Zeuslap has 46 models in this group; this one is number 31 among them.

Where it stands

Rank 1,430 of 2,372 monitors, under 24″ by yearly consumption. 1,429 use less.

Median 12 This model · 14 0 75 kWh ← uses less · uses more →

Next to it in the ranking

  1. D JVC CL15532-BR6J 14 kWh −€0.06
  2. D iProda PD182KPN 14 kWh same
  3. C Zeuslap Z21Lite 14 kWh
  4. D Auvisio ZX-5861-675 14 kWh same
  5. D G-world Technology Incorporated Company Z1C Plus 14 kWh same
See the full ranking

What it will cost you

Period Z21Lite 320G01,220T01,215T01,238T01,270G01 Difference
1 year €4 €2 −€2
5 years €20 €8 −€12
10 years €40 €17 −€23
15 years €60 €25 −€35

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

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 7 €2
4 hours a day 14 €4
8 hours a day 28 €8

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
C Zeuslap Z21Lite (this model)
21″9.7 14 — —
22″4.1 6 €2 €23
21″4.6 7 €2 €21
22″5.0 7 €2 €20
22″5.0 7 €2 €20
22″5.0 7 €2 €20

Label and product sheet

Energy class SDR / HDR
C / –
On-mode power SDR
9.7 W
Standby / networked standby
0.4 W / 0.0 W
Screen diagonal
21″
Resolution
1920×1080
Panel
LCD
Refresh rate
100 Hz
Software updates (minimum)
1 years
Guarantee (supplier)
1 years
Spare parts (minimum)
1 years

Model numbers and history

Registered by Zeuslap under one model number.

Z21Lite

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

Questions

How much does the Zeuslap Z21Lite cost to run?

At 4 hours a day it uses about 14 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €4 a year, or €40 over ten years.