Solar inverters · Compare

GoodWe GW3.6K-DNS-G40 vs SMA Sunny Boy Smart Energy 3.6

AC power: GoodWe GW3.6K-DNS-G40 3.6 kW, SMA Sunny Boy Smart Energy 3.6 3.6 kW. The GoodWe GW3.6K-DNS-G40 is better on 6 of 9 comparable points.

Who wins where

  • GoodWe GW3.6K-DNS-G40
  • SMA Sunny Boy Smart Energy 3.6
PerformanceEfficiencyElectricalConnectivity & smartDimensions & weight
Performance: GoodWe GW3.6K-DNS-G40 34, SMA Sunny Boy Smart Energy 3.6 56; Efficiency: GoodWe GW3.6K-DNS-G40 53, SMA Sunny Boy Smart Energy 3.6 27; Electrical: GoodWe GW3.6K-DNS-G40 68, SMA Sunny Boy Smart Energy 3.6 41; Connectivity & smart: GoodWe GW3.6K-DNS-G40 50, SMA Sunny Boy Smart Energy 3.6 50; Dimensions & weight: GoodWe GW3.6K-DNS-G40 87, SMA Sunny Boy Smart Energy 3.6 56

Biggest differences

FactGW3.6K-DNS-G40Sunny Boy Smart Energy 3.6
Weight9.2 kg17.5 kg
MPP trackers23
MPPT voltage min.40 V60 V
Max. input current per MPPT20 A15 A
MPPT voltage max.560 V480 V
All specifications ↓

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

Technical specifications GoodWeGW3.6K-DNS-G40 SMASunny Boy Smart Energy 3.6
Performance
AC power 3.6 kW 1 3.6 kW 2
Max. PV array power – 7.2 kWp 2
MPP trackers 2 1 3 ✓ 2
Efficiency
Max. efficiency 98.1 % ✓ 1 97.8 % 2
European efficiency 97.2 % ✓ 1 96.6 % 2
Noise
Noise – 35 dB(A) 2
Electrical
MPPT voltage min. 40 V ✓ 1 60 V 2
MPPT voltage max. 560 V ✓ 1 480 V 2
Max. input current per MPPT 20 A ✓ 1 15 A 2
Phases 1 1 1 2
Connectivity & smart
Hybrid (battery-ready) – Yes 2
Backup power – Yes 2
Wi-Fi / monitoring Yes 1 Yes 2
Dimensions & weight
IP rating IP66 1 IP65 2
Width 358 mm 1 500 mm 2
Height 323 mm 1 586 mm 2
Depth 165 mm 1 236 mm 2
Weight 9.2 kg ✓ 1 17.5 kg 2
Warranty & lifespan
Warranty – 5 years 2

Sources

  1. DNS G4 Series 3–6 kW string inverter (EMEA) – datasheet, EN-EMEA V1.1 (20250617) — GoodWe Technologies Co., Ltd. · accessed 27 Sept 2026
  2. Sunny Boy Smart Energy 3.6 / 4.0 / 5.0 / 6.0 – datasheet, SBSE36-60-DS-en-18 (status 04/2026) — SMA Solar Technology AG · accessed 27 Sept 2026