--- title: "Deye SUN-100K-G03 vs SMA Solar Sunny Highpower PEAK3 SHP 100-21 - Inverter Comparison | ComparePV" description: "Compare Deye SUN-100K-G03 vs SMA Solar Sunny Highpower PEAK3 SHP 100-21 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/deye-sun-100k-g03/sma-solar-sunny-highpower-peak3-shp-100-21" updated: 2026-01-17 --- # Deye SUN-100K-G03 vs SMA Solar Sunny Highpower PEAK3 SHP 100-21 11 differences, and they point both ways The largest is max dc voltage: 500 V apart. 8 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [Deye SUN-100K-G03](https://comparepv.com/inverter/deye-sun-100k-g03) | [SMA Solar Sunny Highpower PEAK3 SHP 100-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-100-21) | | Manufacturer | Deye | SMA Solar | | Rated AC power | 100 kW | 100 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | SUN-100K-G03 | Sunny Highpower PEAK3 SHP 100-21 | Difference | | --- | --- | --- | --- | | Max DC voltage | 1000 V | 1500 V | 500 V apart | | Max input current per tracker | 40.0 A | 180.0 A | +140.0 A for Sunny Highpower PEAK3 SHP 100-21 | | Max AC power | 110.00 kW | 100.00 kW | 10.00 kW apart | | Max PV power | 150.00 kW | 200.00 kW | 50.00 kW apart | | DC/AC ratio | 1.50 | 2.00 | +0.50 for Sunny Highpower PEAK3 SHP 100-21 | | Weight | 81.0 kg | 99.0 kg | -18.0 kg for SUN-100K-G03 | | Noise | 55 dB | 69 dB | -14 dB for SUN-100K-G03 | | European efficiency | 98.3 % | 98.5 % | +0.2 pp for Sunny Highpower PEAK3 SHP 100-21 | | Max AC current | 166.7 A | 151.0 A | 15.7 A apart | | Max operating temperature | 65 °C | 60 °C | +5 °C for SUN-100K-G03 | | Dimensions | 568x838x346 mm | 830x770x462 mm | 568x838x346 mm vs 830x770x462 mm | ## Every compared parameter | Parameter | SUN-100K-G03 | Sunny Highpower PEAK3 SHP 100-21 | | --- | --- | --- | | Rated AC power | 100.00 kW | 100.00 kW | | Max AC power | 110.00 kW | 100.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | 400 V | - | | Max AC current | 166.7 A | 151.0 A | | Max PV power | 150.00 kW | 200.00 kW | | DC/AC ratio | 1.50 | 2.00 | | Max DC voltage | 1000 V | 1500 V | | MPPT voltage range | 200-850 V | - | | Start voltage | 250 V | - | | MPP trackers | - | 1 | | Strings per tracker | - | - | | Max input current per tracker | 40.0 A | 180.0 A | | European efficiency | 98.3 % | 98.5 % | | Max efficiency | 98.8 % | 98.8 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 81.0 kg | 99.0 kg | | Weight per kW | 0.8 kg/kW | 1.0 kg/kW | | Dimensions | 568x838x346 mm | 830x770x462 mm | | Ingress protection | IP65 | IP65 | | Cooling | forced-air | forced-air | | Noise | 55 dB | 69 dB | | Max operating temperature | 65 °C | 60 °C | | Wi-Fi | Yes | - | | Ethernet | Yes | Yes | | Arc fault protection | - | - | | Integrated DC switch | Yes | - | | Warranty | 5 yrs | 5 yrs | ## Related comparisons - [Deye SUN-100K-G03 vs Huawei SUN2000-100KTL-M2](https://comparepv.com/compare-inverters/deye-sun-100k-g03/huawei-sun2000-100ktl-m2) - 10 differences, the largest is max dc voltage - [Deye SUN-100K-G03 vs Huawei SUN2000-100KTL-M1 (@480 V)](https://comparepv.com/compare-inverters/deye-sun-100k-g03/huawei-sun2000-100ktl-m1-480-v) - 10 differences, the largest is max dc voltage - [Deye SUN-100K-G03 vs Sungrow SG110CX](https://comparepv.com/compare-inverters/deye-sun-100k-g03/sungrow-sg110cx) - 9 differences, the largest is max dc voltage - [SMA Solar Sunny Highpower PEAK3 SHP 100-21 vs SMA Solar Sunny Highpower Storage SHPS 100-21](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-100-21/sma-solar-sunny-highpower-storage-shps-100-21) - The same specification on paper --- Source: https://comparepv.com/compare-inverters/deye-sun-100k-g03/sma-solar-sunny-highpower-peak3-shp-100-21 Not in this file, on the page: a written summary generated on request.