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
Biggest differences
| Fact | GW3.6K-DNS-G40 | Sunny Boy Smart Energy 3.6 |
|---|---|---|
| Weight | 9.2 kg | 17.5 kg |
| MPP trackers | 2 | 3 |
| MPPT voltage min. | 40 V | 60 V |
| Max. input current per MPPT | 20 A | 15 A |
| MPPT voltage max. | 560 V | 480 V |
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
- DNS G4 Series 3–6 kW string inverter (EMEA) – datasheet, EN-EMEA V1.1 (20250617) — GoodWe Technologies Co., Ltd. · accessed 27 Sept 2026
- 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