Score only. The Solar Review Inverter Assessment Criteria compares the SMA Sunny Boy VL-40 solar inverter against the industries best known specifications. The result, a solar inverter comparison with no room for discretionary bias and the transparency you desire.  

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Make and model:  SMA Sunny Boy VL-40.

Variants:  1.5 | 2.0 | 2.5 kW.

  Nominated shadow management protocol.

  Single MPPT.

The following content for the SMA Sunny Boy VL-40 should be used as a guide only. Individual circumstances and compatibilities should always be taken into account when selecting the right solar inverter for any given installation. This content has been built using the Solar Review Inverter Assessment Criteria 2.0 or above based on available product specifications at the time of writing. 

Design.

SMA

Sunny Boy VL-40; Superior
  • AC coupled battery compatibility
  • New release.
  • Fanless.
  • No awards listed.
  • Bureau Vertias certified.
  • Inspiring.
  • IP 65.

Features.

SMA

Sunny Boy VL-40 Features; Elite
  • 1 MPPT.
  • LED & Local App connectivity.
  • WiFi & Ethernet inbuilt.
  • Manufacturer supplied module-level optimisation options.
  • Manufacturer supplied module-level rapid shutdown options.
  • Manufacturer supplied expanded monitoring options.
  • Nominated shadow management protocol onboard.
  • Remote operational parameter adjustments.

Performance.

SMA

Sunny Boy VL-40 Performance; Elite
  • 96.7% European weighted efficiency.
  • Min temperature range -40°C (-40°F).
  • Max temperature range +60°C (-140°F).
  • Temperature derating listed 50°C (120°F).
  • Weight 9.2 kg (20.3lbs).
  • Noise emission 25 dB (A).

Guarantee.

SMA

Sunny Boy VL-40 Guarantee; Superior
  • 10-year parts warranty.*
  • 5-year service warranty.
  • *Authorised installer network with additional end-user benefits.

Software.

SMA

Sunny Boy VL-40 Software; Elite
  • ennexOS.
  • iOS & Android app.
  • Alerts & fault diagnosis.

OVERALL.

SMA

Sunny Boy VL-40 Overall; Elite
  • Design 3.8
  • Features 4.5
  • Performance 4.3
  • Guarantee 4.2
  • Software 4.5
Outstanding
[ 4.8 - 5 ] The pinnacle of certified specification.
Elite
[ 4.3 - 4.7 ] A rare calibre of technology produced by the industry elite.
Superior
[ 3.8 - 4.2 ] Specifications which are exceedingly superior to that of the industry average.
Very Good
[ 3.3 - 3.7 ] Advanced technology against the industry average.
Good
[ 2.8 - 3.2 ] Better than the industry average is that of which strives a portion better.
Average
[ 2.3 - 2.7 ] A score within this bracket is considered the industry average specification.
Ordinary
[ 1.8 - 2.2 ] Considered below the industry mainstream average.
Poor
[ 1.3 - 1.7 ] There's better, there's also worse.
Inferior
[ 0.8 - 1.2 ] Far below the modern industry average.
Awful
[ 0.3 - 0.7 ] Possesses specifications which are absent or unverified by a certified testing institute.
Avoid
[ 0 - 0.2 ] Unlikely for technology manufactured in the modern era.
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How is the SMA Sunny Boy VL-40 score calculated? By utilising the Solar Review Inverter Assessment Criteria V2.3 >

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