--- title: "Huawei SUN2000-20KTL-M3 vs Sungrow SG20KTL-M - Inverter Comparison | ComparePV" description: "Compare Huawei SUN2000-20KTL-M3 vs Sungrow SG20KTL-M side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m3/sungrow-sg20ktl-m" updated: 2026-01-16 --- # Huawei SUN2000-20KTL-M3 vs Sungrow SG20KTL-M 13 differences, and they point both ways The largest is max dc voltage: 350 V apart. 5 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [Huawei SUN2000-20KTL-M3](https://comparepv.com/inverter/huawei-sun2000-20ktl-m3) | [Sungrow SG20KTL-M](https://comparepv.com/inverter/sungrow-sg20ktl-m) | | Manufacturer | Huawei | Sungrow | | Rated AC power | 20 kW | 20 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | SUN2000-20KTL-M3 | SG20KTL-M | Difference | | --- | --- | --- | --- | | Max DC voltage | 750 V | 1100 V | 350 V apart | | Max input current per tracker | 26.0 A | 22.0 A | +4.0 A for SUN2000-20KTL-M3 | | Max efficiency | 97.6 % | 98.6 % | +1.0 pp for SG20KTL-M | | MPP trackers | 4 | 2 | +2 trackers for SUN2000-20KTL-M3 | | Weight | 43.0 kg | 24.0 kg | -19.0 kg for SG20KTL-M | | Weight per kW | 2.1 kg/kW | 1.2 kg/kW | -0.9 kg/kW for SG20KTL-M | | Nominal AC voltage | 202 V | 400 V | 198 V apart | | Max AC current | 57.2 A | 31.9 A | 25.3 A apart | | Start voltage | 200 V | 250 V | -50 V for SUN2000-20KTL-M3 | | Ingress protection | IP66 | IP65 | IP66 vs IP65 | | MPPT voltage range | 200-750 V | 200-1000 V | 200-750 V vs 200-1000 V | | Dimensions | 530x681x270 mm | 485x370x210 mm | 530x681x270 mm vs 485x370x210 mm | | Cooling | natural | forced-air | natural vs forced-air | ## Every compared parameter | Parameter | SUN2000-20KTL-M3 | SG20KTL-M | | --- | --- | --- | | Rated AC power | 20.00 kW | 20.00 kW | | Max AC power | 20.00 kW | 20.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | 202 V | 400 V | | Max AC current | 57.2 A | 31.9 A | | Max PV power | - | - | | DC/AC ratio | - | - | | Max DC voltage | 750 V | 1100 V | | MPPT voltage range | 200-750 V | 200-1000 V | | Start voltage | 200 V | 250 V | | MPP trackers | 4 | 2 | | Strings per tracker | 2 | 2 | | Max input current per tracker | 26.0 A | 22.0 A | | European efficiency | - | 98.3 % | | Max efficiency | 97.6 % | 98.6 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 43.0 kg | 24.0 kg | | Weight per kW | 2.1 kg/kW | 1.2 kg/kW | | Dimensions | 530x681x270 mm | 485x370x210 mm | | Ingress protection | IP66 | IP65 | | Cooling | natural | forced-air | | Noise | 50 dB | - | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | - | - | | Ethernet | - | - | | Arc fault protection | Yes | - | | Integrated DC switch | - | Yes | | Warranty | - | - | ## Related comparisons - [Huawei SUN2000-20KTL-M3 vs Growatt MID 20KTL3-X](https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m3/growatt-mid-20ktl3-x) - 13 differences, the largest is max dc voltage - [Huawei SUN2000-20KTL-M3 vs Fronius Verto 20.0](https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m3/fronius-international-fronius-verto-20-0) - 12 differences, the largest is max dc voltage - [Huawei SUN2000-20KTL-M3 vs Huawei SUN2000-20KTL-M2](https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m3/huawei-sun2000-20ktl-m2) - 12 differences, the largest is max dc voltage - [Sungrow SG20KTL-M vs Huawei SUN2000-20KTL-M0](https://comparepv.com/compare-inverters/sungrow-sg20ktl-m/huawei-sun2000-20ktl-m0) - 8 differences, the largest is max ac power --- Source: https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m3/sungrow-sg20ktl-m Not in this file, on the page: a written summary generated on request.