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Fronius Reserva 15.8 vs SMA Home Storage 16.4

Usable capacity: Fronius Reserva 15.8 15.79 kWh, SMA Home Storage 16.4 16.4 kWh. The Fronius Reserva 15.8 is better on 3 of 6 comparable points.

Who wins where

  • Fronius Reserva 15.8
  • SMA Home Storage 16.4
PerformanceEfficiencyElectricalDimensions & weightWarranty & lifespan
Performance: Fronius Reserva 15.8 65, SMA Home Storage 16.4 69; Efficiency: Fronius Reserva 15.8 44, SMA Home Storage 16.4 16; Electrical: Fronius Reserva 15.8 50, SMA Home Storage 16.4 50; Dimensions & weight: Fronius Reserva 15.8 56, SMA Home Storage 16.4 35; Warranty & lifespan: Fronius Reserva 15.8 49, SMA Home Storage 16.4 49

Biggest differences

FactReserva 15.8Home Storage 16.4
Min. operating temperature-20 °C-10 °C
Usable capacity15.79 kWh16.4 kWh
All specifications ↓

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

Technical specifications FroniusReserva 15.8 SMAHome Storage 16.4
General
Cell chemistry LFP 1 LFP 2
Performance
Usable capacity 15.79 kWh 1 16.4 kWh ✓ 2
Nominal capacity 16.71 kWh 3 –
Expandable up to – 19.68 kWh 2
Charge power (continuous) 16.38 kW 1 –
Discharge power (continuous) 16.38 kW 1 –
Efficiency
Round-trip efficiency 95 % ✓ 1 94.5 % 2
Electrical
Coupling DC-coupled 1 DC-coupled 2
Backup power Yes 1 Yes 2
Dimensions & weight
IP rating IP65 1 IP65 2
Min. operating temperature -20 °C ✓ 1 -10 °C 2
Width 772 mm 1 –
Height 1,640 mm 1 –
Depth 176 mm 1 –
Weight 187 kg ✓ 1 190 kg 2
Warranty & lifespan
Warranted cycles 6,000 1 –
Warranty 10 years 1 10 years 2

Sources

  1. The Fronius storage solution, V09 Sep 2026 — Fronius International GmbH · accessed 29 Sept 2026
  2. SMA Home Storage – datasheet, HS-BM-10-DS-en-20 (last revised 08/2026) — SMA Solar Technology AG · accessed 27 Sept 2026
  3. CEC approved solar batteries (Australia) — Clean Energy Regulator (Australian Government), CC BY 4.0 · accessed 29 Sept 2026