Solar inverters · Compare

Fronius Primo GEN24 3.6 Plus vs SMA Sunny Boy 3.6

AC power: Fronius Primo GEN24 3.6 Plus 3.68 kW, SMA Sunny Boy 3.6 3.68 kW. The Fronius Primo GEN24 3.6 Plus is better on 6 of 11 comparable points.

Who wins where

  • Fronius Primo GEN24 3.6 Plus
  • SMA Sunny Boy 3.6
PerformanceEfficiencyNoiseElectricalConnectivity & smartDimensions & weight
Performance: Fronius Primo GEN24 3.6 Plus 30, SMA Sunny Boy 3.6 29; Efficiency: Fronius Primo GEN24 3.6 Plus 27, SMA Sunny Boy 3.6 6; Noise: Fronius Primo GEN24 3.6 Plus 27, SMA Sunny Boy 3.6 88; Electrical: Fronius Primo GEN24 3.6 Plus 37, SMA Sunny Boy 3.6 31; Connectivity & smart: Fronius Primo GEN24 3.6 Plus 50, SMA Sunny Boy 3.6 50; Dimensions & weight: Fronius Primo GEN24 3.6 Plus 79, SMA Sunny Boy 3.6 56

Biggest differences

FactPrimo GEN24 3.6 PlusSunny Boy 3.6
Noise42 dB(A)25 dB(A)
MPPT voltage min.200 V130 V
Max. input current per MPPT22 A15 A
Weight15.4 kg17.5 kg
MPPT voltage max.530 V500 V
All specifications ↓

Score per area = position (0–100) relative to all 238 models in this category; higher is better.

Technical specifications FroniusPrimo GEN24 3.6 Plus SMASunny Boy 3.6
Performance
AC power 3.68 kW 1 3.68 kW 2
Max. PV array power 5.52 kWp ✓ 1 5.5 kWp 2
MPP trackers 2 1 2 2
Efficiency
Max. efficiency 97.6 % ✓ 1 97 % 2
European efficiency 97 % ✓ 1 96.5 % 2
Noise
Noise 42 dB(A) 1 25 dB(A) ✓ 2
Electrical
MPPT voltage min. 200 V 1 130 V ✓ 2
MPPT voltage max. 530 V ✓ 1 500 V 2
Max. input current per MPPT 22 A ✓ 1 15 A 2
Phases 1 1 1 2
Connectivity & smart
Hybrid (battery-ready) Yes 1 –
Backup power Yes 1 –
Wi-Fi / monitoring Yes 1 Yes 2
Dimensions & weight
IP rating IP66 1 IP65 2
Width 474 mm 1 435 mm 2
Height 530 mm 1 470 mm 2
Depth 165 mm 1 176 mm 2
Weight 15.4 kg ✓ 1 17.5 kg 2
Warranty & lifespan
Warranty – 5 years 2

Sources

  1. Fronius Primo GEN24 & GEN24 Plus 3.0 - 6.0 kW – datasheet, EN V04 (June 2025) — Fronius International GmbH · accessed 27 Sept 2026
  2. Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 – datasheet, SB30-60-DS-en-61 (status 10/2023) — SMA Solar Technology AG · accessed 27 Sept 2026