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FoxESS T25-G3 vs SMA Sunny Tripower X 25

AC power: FoxESS T25-G3 25 kW, SMA Sunny Tripower X 25 25 kW. The FoxESS T25-G3 is better on 4 of 8 comparable points.

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Who wins where

  • FoxESS T25-G3
  • SMA Sunny Tripower X 25
PerformanceEfficiencyElectricalDimensions & weight

Biggest differences

FactT25-G3Sunny Tripower X 25
MPPT voltage min.140 V430 V
Weight21 kg35 kg
MPP trackers23
Max. input current per MPPT28 A24 A
All specifications ↓

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

FoxESST25-G3SMASunny Tripower X 25
Performance
AC power25 kW125 kW2
Max. PV array power37.5 kWp1–
MPP trackers213✓2
Efficiency
Max. efficiency98.6 %✓198.2 %2
European efficiency97.8 %198 %✓2
Noise
Noise–59 dB(A)2
Electrical
MPPT voltage min.140 V✓1430 V2
MPPT voltage max.1,000 V11,000 V2
Max. input current per MPPT28 A✓124 A2
Phases3132
Connectivity & smart
Wi-Fi / monitoring–Yes2
Dimensions & weight
IP ratingIP651IP652
Width370 mm1728 mm2
Height480 mm1762 mm2
Depth183.5 mm1266 mm2
Weight21 kg✓135 kg2
Warranty & lifespan
Warranty–5 years2

Frequently asked questions

Which is better: the FoxESS T25-G3 or the SMA Sunny Tripower X 25?

AC power: FoxESS T25-G3 25 kW, SMA Sunny Tripower X 25 25 kW. The FoxESS T25-G3 is better on 4 of 8 comparable points.

What is the AC power of the FoxESS T25-G3 and the SMA Sunny Tripower X 25?

FoxESS T25-G3: 25 kW. SMA Sunny Tripower X 25: 25 kW.

Which is better on MPPT voltage min.: the FoxESS T25-G3 or the SMA Sunny Tripower X 25?

FoxESS T25-G3: 140 V. SMA Sunny Tripower X 25: 430 V.

Which is better on weight: the FoxESS T25-G3 or the SMA Sunny Tripower X 25?

FoxESS T25-G3: 21 kg. SMA Sunny Tripower X 25: 35 kg.

How we collect and check this data →

Sources

  1. T SERIES(G3) THREE-PHASE INVERTER, V2.5 | 2026/07/03 — Fox ESS · accessed 29 Sept 2026
  2. Sunny Tripower X 12 / 15 / 20 / 25, 02/2025 — SMA Solar Technology AG · accessed 17 Oct 2026