--- title: "SMA Solar Sunny Highpower PEAK3 SHP 100-21 vs SolarEdge SE100K (K100SE) - Secondary unit - Inverter Comparison | ComparePV" description: "Compare SMA Solar Sunny Highpower PEAK3 SHP 100-21 vs SolarEdge SE100K (K100SE) - Secondary unit side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-100-21/solaredge-solaredge-se100k-k100se-secondary-unit" updated: 2026-01-16 --- # SMA Solar Sunny Highpower PEAK3 SHP 100-21 vs SolarEdge SE100K (K100SE) - Secondary unit 10 differences, and they point both ways The largest is european efficiency: 0.5 pp more efficient. 7 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [SMA Solar Sunny Highpower PEAK3 SHP 100-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-100-21) | [SolarEdge SE100K (K100SE) - Secondary unit](https://comparepv.com/inverter/solaredge-solaredge-se100k-k100se-secondary-unit) | | Manufacturer | SMA Solar | SolarEdge | | 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 | Sunny Highpower PEAK3 SHP 100-21 | SolarEdge SE100K (K100SE) - Secondary unit | Difference | | --- | --- | --- | --- | | European efficiency | 98.5 % | 98.0 % | +0.5 pp for Sunny Highpower PEAK3 SHP 100-21 | | Max DC voltage | 1500 V | 1000 V | 500 V apart | | Max efficiency | 98.8 % | 98.1 % | +0.7 pp for Sunny Highpower PEAK3 SHP 100-21 | | Max PV power | 200.00 kW | 135.00 kW | 65.00 kW apart | | DC/AC ratio | 2.00 | 1.35 | +0.65 for Sunny Highpower PEAK3 SHP 100-21 | | Weight | 99.0 kg | 45.0 kg | -54.0 kg for SolarEdge SE100K (K100SE) - Secondary unit | | Noise | 69 dB | 60 dB | -9 dB for SolarEdge SE100K (K100SE) - Secondary unit | | Weight per kW | 1.0 kg/kW | 0.5 kg/kW | -0.5 kg/kW for SolarEdge SE100K (K100SE) - Secondary unit | | Max AC current | 151.0 A | 120.0 A | 31.0 A apart | | Dimensions | 830x770x462 mm | 540x315x260 mm | 830x770x462 mm vs 540x315x260 mm | ## Every compared parameter | Parameter | Sunny Highpower PEAK3 SHP 100-21 | SolarEdge SE100K (K100SE) - Secondary unit | | --- | --- | --- | | Rated AC power | 100.00 kW | 100.00 kW | | Max AC power | 100.00 kW | 100.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | - | 480 V | | Max AC current | 151.0 A | 120.0 A | | Max PV power | 200.00 kW | 135.00 kW | | DC/AC ratio | 2.00 | 1.35 | | Max DC voltage | 1500 V | 1000 V | | MPPT voltage range | - | - | | Start voltage | - | - | | MPP trackers | 1 | - | | Strings per tracker | - | - | | Max input current per tracker | 180.0 A | - | | European efficiency | 98.5 % | 98.0 % | | Max efficiency | 98.8 % | 98.1 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 99.0 kg | 45.0 kg | | Weight per kW | 1.0 kg/kW | 0.5 kg/kW | | Dimensions | 830x770x462 mm | 540x315x260 mm | | Ingress protection | IP65 | IP65 | | Cooling | forced-air | forced-air | | Noise | 69 dB | 60 dB | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | - | - | | Ethernet | Yes | Yes | | Arc fault protection | - | Yes | | Integrated DC switch | - | Yes | | Warranty | 5 yrs | - | ## Related comparisons - [SMA Solar Sunny Highpower PEAK3 SHP 100-21 vs Huawei SUN2000-100KTL-M2](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-100-21/huawei-sun2000-100ktl-m2) - 8 differences, the largest is mpp trackers - [SMA Solar Sunny Highpower PEAK3 SHP 100-21 vs Huawei SUN2000-100KTL-M1 (@480 V)](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-100-21/huawei-sun2000-100ktl-m1-480-v) - 8 differences, the largest is mpp trackers - [SMA Solar Sunny Highpower PEAK3 SHP 100-21 vs Sungrow SG110CX](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-100-21/sungrow-sg110cx) - 8 differences, the largest is mpp trackers --- Source: https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-100-21/solaredge-solaredge-se100k-k100se-secondary-unit Not in this file, on the page: a written summary generated on request.