--- title: "Huawei SUN2000-20KTL-M2 vs SMA Solar STP 20000TL-30 - Inverter Comparison | ComparePV" description: "Compare Huawei SUN2000-20KTL-M2 vs SMA Solar STP 20000TL-30 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m2/sma-solar-stp-20000tl-30" updated: 2026-01-16 --- # Huawei SUN2000-20KTL-M2 vs SMA Solar STP 20000TL-30 15 differences, and they point both ways The largest is max dc voltage: 80 V apart. 8 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [Huawei SUN2000-20KTL-M2](https://comparepv.com/inverter/huawei-sun2000-20ktl-m2) | [SMA Solar STP 20000TL-30](https://comparepv.com/inverter/sma-solar-stp-20000tl-30) | | Manufacturer | Huawei | SMA Solar | | 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-M2 | STP 20000TL-30 | Difference | | --- | --- | --- | --- | | Max DC voltage | 1080 V | 1000 V | 80 V apart | | Max input current per tracker | 22.0 A | 33.0 A | +11.0 A for STP 20000TL-30 | | Max AC power | 22.00 kW | 20.00 kW | 2.00 kW apart | | Max PV power | 30.00 kW | 36.00 kW | 6.00 kW apart | | DC/AC ratio | 1.50 | 1.80 | +0.30 for STP 20000TL-30 | | Weight | 25.0 kg | 61.0 kg | -36.0 kg for SUN2000-20KTL-M2 | | Weight per kW | 1.2 kg/kW | 3.0 kg/kW | -1.8 kg/kW for SUN2000-20KTL-M2 | | European efficiency | 98.3 % | 98.0 % | +0.3 pp for SUN2000-20KTL-M2 | | Max AC current | 33.5 A | 29.0 A | 4.5 A apart | | Max efficiency | 98.7 % | 98.4 % | +0.2 pp for SUN2000-20KTL-M2 | | MPPT voltage range | 160-950 V | 240-800 V | 160-950 V vs 240-800 V | | Start voltage | 200 V | 188 V | -12 V for STP 20000TL-30 | | Strings per tracker | 2 | 3 | 1 string apart | | Dimensions | 470x525x262 mm | 682x661x264 mm | 470x525x262 mm vs 682x661x264 mm | | Cooling | natural | forced-air | natural vs forced-air | ## Every compared parameter | Parameter | SUN2000-20KTL-M2 | STP 20000TL-30 | | --- | --- | --- | | Rated AC power | 20.00 kW | 20.00 kW | | Max AC power | 22.00 kW | 20.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | 400 V | 400 V | | Max AC current | 33.5 A | 29.0 A | | Max PV power | 30.00 kW | 36.00 kW | | DC/AC ratio | 1.50 | 1.80 | | Max DC voltage | 1080 V | 1000 V | | MPPT voltage range | 160-950 V | 240-800 V | | Start voltage | 200 V | 188 V | | MPP trackers | 2 | 2 | | Strings per tracker | 2 | 3 | | Max input current per tracker | 22.0 A | 33.0 A | | European efficiency | 98.3 % | 98.0 % | | Max efficiency | 98.7 % | 98.4 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 25.0 kg | 61.0 kg | | Weight per kW | 1.2 kg/kW | 3.0 kg/kW | | Dimensions | 470x525x262 mm | 682x661x264 mm | | Ingress protection | IP65 | IP65 | | Cooling | natural | forced-air | | Noise | - | 51 dB | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | Yes | - | | Ethernet | Yes | Yes | | Arc fault protection | Yes | - | | Integrated DC switch | Yes | Yes | | Warranty | - | 5 yrs | ## Related comparisons - [Huawei SUN2000-20KTL-M2 vs Growatt MID 20KTL3-X](https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m2/growatt-mid-20ktl3-x) - 8 differences, the largest is weight - [Huawei SUN2000-20KTL-M2 vs Fronius Verto 20.0](https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m2/fronius-international-fronius-verto-20-0) - 12 differences, the largest is max dc voltage - [Huawei SUN2000-20KTL-M2 vs Sungrow SG20KTL-M](https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m2/sungrow-sg20ktl-m) - 8 differences, the largest is max ac power --- Source: https://comparepv.com/compare-inverters/huawei-sun2000-20ktl-m2/sma-solar-stp-20000tl-30 Not in this file, on the page: a written summary generated on request.