Score only. The Solar Review Inverter Assessment Criteria compares the Growatt TL3-S 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.

Make and model:  Growatt SPH.

Variants:  3 / 4 / 5 / 6 kW.

  Performance.

  Guarantee.

CONTENTS - The information you need, fast!

GREATER THAN 3.3 IS A VERY GOOD SCORE. The following content for the  should be used as a guide only. Individual circumstances and compatibilities should always be taken into account when selecting the right inverter for any given installation. The below Growatt SPH content has been built using the Solar Review Inverter Assessment Criteria 2.5 and above based on available product specifications at the time of writing. 

Design.

Growatt

SPH Design; SUPERIOR
  • Hybrid (mulitmode) without backup.
  • Lithium and Lead-acid battery options.
  • Internal redesign, old shape.
  • Fanless.
  • Lithium High Voltage batteries brands TBC.
  • CE certified.
  • Standard.
  • IP 65.

Features.

Growatt

SPH Features; GOOD
  • 2+ MPPTS.
  • LCD graphic interface.
  • Ethernet only.
  • No manufacturer supplied module-level optimisation options.
  • Manufacturer supplied module-level rapid shutdown options.
  • No manufacturer supplied expanded monitoring options.
  • MPPTs only shadow management.
  • Installer remote access support is rated at - General data configuration.

Performance.

Growatt

SPH Performance; SUPERIOR
  • 97.7% European efficiency.
  • Temperature range of -25°C (13°F).
  • Temperature range of +60°C (140°F).
  • Temperature derating 45°C (113°F).
  • Weighs 27kg (59.5lbs).
  • Noise emission of 25 dB (A).

Guarantee.

Growatt

SPH Guarantee; AVERAGE
  • 5-year parts warranty.
  • 5-year service warranty.
  • No authorised installer network.

Software.

Growatt

SPH Software; BELOW AVERAGE
  • Growatt Monitoring Software.
  • iOS & Android app.
  • Alerts & fault diagnosis.

OVERALL.

Growatt

SPH Overall; GOOD
  • Design 3.7
  • Features 3.1
  • Performance 3.9
  • Guarantee 2.3
  • Software 2.0

Comparison.

*AVG references industry average specifications.

Insight.

How was the score for the Growatt SPH solar inverter calculated? By using the Solar Review Inverter Assessment Criteria V2.5 >

How does the entire current range of Growatt solar inverters compare against each other? Discover now >

REVIEW OVERVIEW
Design
Features
Performance
Guarantee
Software
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