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Fronius Reserva 9.5 vs SolaX T-BAT H 9.0

Usable capacity: Fronius Reserva 9.5 9.47 kWh, SolaX T-BAT H 9.0 8.3 kWh. The Fronius Reserva 9.5 is better on 4 of 8 comparable points.

Who wins where

  • Fronius Reserva 9.5
  • SolaX T-BAT H 9.0
PerformanceEfficiencyDimensions & weightWarranty & lifespan
Performance: Fronius Reserva 9.5 58, SolaX T-BAT H 9.0 54; Efficiency: Fronius Reserva 9.5 44, SolaX T-BAT H 9.0 44; Dimensions & weight: Fronius Reserva 9.5 74, SolaX T-BAT H 9.0 98; Warranty & lifespan: Fronius Reserva 9.5 47, SolaX T-BAT H 9.0 47

Biggest differences

FactReserva 9.5T-BAT H 9.0
Min. operating temperature-20 °C-30 °C
Charge power (continuous)9.83 kW7.6 kW
Discharge power (continuous)9.83 kW7.6 kW
Usable capacity9.47 kWh8.3 kWh
Nominal capacity10.03 kWh9.2 kWh
All specifications ↓

Score per area = position (0–100) relative to all 130 models in this category; higher is better.

Technical specifications FroniusReserva 9.5 SolaXT-BAT H 9.0
General
Cell chemistry LFP 1 LFP 2
Performance
Usable capacity 9.47 kWh ✓ 1 8.3 kWh 2
Nominal capacity 10.03 kWh ✓ 3 9.2 kWh 2
Charge power (continuous) 9.83 kW ✓ 1 7.6 kW 2
Discharge power (continuous) 9.83 kW ✓ 1 7.6 kW 2
Peak power – 9.2 kW 2
Efficiency
Round-trip efficiency 95 % 1 95 % 2
Depth of discharge – 90 % 2
Electrical
Coupling DC-coupled 1 –
Backup power Yes 1 –
Dimensions & weight
IP rating IP65 1 IP65 2
Min. operating temperature -20 °C 1 -30 °C ✓ 2
Width 772 mm 1 –
Height 1,140 mm 1 –
Depth 176 mm 1 –
Weight 120 kg 1 –
Warranty & lifespan
Warranted cycles 6,000 1 6,000 2
Warranty 10 years 1 10 years 2

Sources

  1. The Fronius storage solution, V09 Sep 2026 — Fronius International GmbH · accessed 29 Sept 2026
  2. T-BAT H 3.0 V2 Datasheet, V2.6 — SolaX · accessed 29 Sept 2026
  3. CEC approved solar batteries (Australia) — Clean Energy Regulator (Australian Government), CC BY 4.0 · accessed 29 Sept 2026