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FoxESS H3-15.0-Smart vs SMA Sunny Tripower X 15

AC power: FoxESS H3-15.0-Smart 15 kW, SMA Sunny Tripower X 15 15 kW. Both models win equally often (4 of 11 points).

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Who wins where

  • FoxESS H3-15.0-Smart
  • SMA Sunny Tripower X 15
PerformanceEfficiencyNoiseElectricalConnectivity & smartDimensions & weightWarranty & lifespan

Biggest differences

FactH3-15.0-SmartSunny Tripower X 15
MPPT voltage min.120 V260 V
Warranty10 years5 years
Max. input current per MPPT20 A24 A
Noise55 dB(A)59 dB(A)
MPPT voltage max.950 V1,000 V
Weight34 kg35 kg
All specifications ↓

Score per area = position (0–100) relative to all 263 models in this category; higher is better.

FoxESSH3-15.0-SmartSMASunny Tripower X 15
Performance
AC power15 kW115 kW2
MPP trackers3132
Efficiency
Max. efficiency97.9 %198.2 %✓2
European efficiency97.2 %197.8 %✓2
Noise
Noise55 dB(A)✓159 dB(A)2
Electrical
MPPT voltage min.120 V✓1260 V2
MPPT voltage max.950 V11,000 V✓2
Max. input current per MPPT20 A124 A✓2
Phases–32
Connectivity & smart
Hybrid (battery-ready)Yes1–
Backup powerYes1–
Wi-Fi / monitoringYes1Yes2
Dimensions & weight
IP ratingIP651IP652
Width600 mm1728 mm2
Height450 mm1762 mm2
Depth226 mm1266 mm2
Weight34 kg✓135 kg2
Warranty & lifespan
Warranty10 years✓15 years2

Frequently asked questions

Which is better: the FoxESS H3-15.0-Smart or the SMA Sunny Tripower X 15?

AC power: FoxESS H3-15.0-Smart 15 kW, SMA Sunny Tripower X 15 15 kW. Both models win equally often (4 of 11 points).

What is the AC power of the FoxESS H3-15.0-Smart and the SMA Sunny Tripower X 15?

FoxESS H3-15.0-Smart: 15 kW. SMA Sunny Tripower X 15: 15 kW.

Which is better on MPPT voltage min.: the FoxESS H3-15.0-Smart or the SMA Sunny Tripower X 15?

FoxESS H3-15.0-Smart: 120 V. SMA Sunny Tripower X 15: 260 V.

Which is better on warranty: the FoxESS H3-15.0-Smart or the SMA Sunny Tripower X 15?

FoxESS H3-15.0-Smart: 10 years. SMA Sunny Tripower X 15: 5 years.

How we collect and check this data →

Sources

  1. H3 Smart THREE-PHASE HYBRID INVERTER, V1.2 | 2025/07/02 — Fox ESS · accessed Sep 29, 2026
  2. Sunny Tripower X 12 / 15 / 20 / 25, 02/2025 — SMA Solar Technology AG · accessed Oct 17, 2026