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3 TVs side by side.

4 h a day
  • Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

Yearly running cost

Bars in proportion to the energy each model uses.

  • Telefunken TE42550G54V4H €16.54
  • BSL BSL-42T2SV €13.98
  • High One HI4208FHD-MM €14.47
Model Telefunken TE42550G54V4H BSL BSL-42T2SV High One HI4208FHD-MM
Running cost
Running cost (per year) €16.54 €13.98 €14.47
over 10 years €165 +€26 over 10 years €140 €145 +€5 over 10 years
kWh per year 58.4 49.3 51.1
kg CO₂e per year from electricity use 12 10 11
Specifications
Brand Telefunken BSL High One
Model TE42550G54V4H BSL-42T2SV HI4208FHD-MM
Energy class E E E
Screen size 42″ (106 cm) 42″ (105.4 cm) 42″ (105 cm)
Power in on mode (SDR) 40 W 33.8 W 35 W
Energy class (HDR) E – –
Power in on mode (HDR) 40 W – –
Standby 0.5 W 0.2 W 0.3 W
Networked standby 2 W 0.3 W –
Resolution 1920 × 1080 1920 × 1080 1920 × 1080
Aspect ratio 16:9 16:9 16:9
Panel LCD LED LCD LED LCD
Refresh rate 50 Hz 50 Hz 60 Hz
Power supply Internal Internal Internal
Guaranteed support 7 years 7 years –
Software updates 8 years 7 years –
Spare parts available 7 years 7 years –
On the market since October 28, 2021 January 31, 2024 October 21, 2020
EPREL registration number 1026810 1902035 362064
Off mode – 0 W 0 W

Rows where the models differ are highlighted.