--- title: "Huawei SUN2000-12KTL-M1 (High current version) vs Sofar Solar ESI-12K-T1 - Inverter Comparison | ComparePV" description: "Compare Huawei SUN2000-12KTL-M1 (High current version) vs Sofar Solar ESI-12K-T1 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/huawei-sun2000-12ktl-m1-high-current-version/sofar-solar-esi-12k-t1" updated: 2026-01-16 --- # Huawei SUN2000-12KTL-M1 (High current version) vs Sofar Solar ESI-12K-T1 16 differences, and they point both ways The largest is european efficiency: 0.7 pp more efficient. 10 of 26 comparable parameters are identical, with 6 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [Huawei SUN2000-12KTL-M1 (High current version)](https://comparepv.com/inverter/huawei-sun2000-12ktl-m1-high-current-version) | [Sofar Solar ESI-12K-T1](https://comparepv.com/inverter/sofar-solar-esi-12k-t1) | | Manufacturer | Huawei | Sofar Solar | | Rated AC power | 12 kW | 12 kW | | Type | Hybrid | Hybrid | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | SUN2000-12KTL-M1 (High current version) | ESI-12K-T1 | Difference | | --- | --- | --- | --- | | European efficiency | 98.2 % | 97.5 % | +0.7 pp for SUN2000-12KTL-M1 (High current version) | | Max DC voltage | 1100 V | 1000 V | 100 V apart | | Max input current per tracker | 13.5 A | 20.0 A | +6.5 A for ESI-12K-T1 | | Max AC power | 12.00 kW | 13.20 kW | 1.20 kW apart | | Max PV power | 18.00 kW | 24.00 kW | 6.00 kW apart | | DC/AC ratio | 1.50 | 2.00 | +0.50 for ESI-12K-T1 | | Max charge current | 17 A | 25 A | +8 A for ESI-12K-T1 | | Weight | 17.0 kg | 30.0 kg | -13.0 kg for SUN2000-12KTL-M1 (High current version) | | Weight per kW | 1.4 kg/kW | 2.5 kg/kW | -1.1 kg/kW for SUN2000-12KTL-M1 (High current version) | | Max efficiency | 98.6 % | 98.2 % | +0.4 pp for SUN2000-12KTL-M1 (High current version) | | MPP trackers | 2 | 3 | +1 trackers for ESI-12K-T1 | | Max AC current | 18.4 A | 20.0 A | 1.6 A apart | | Ingress protection | IP65 | IP66 | IP65 vs IP66 | | MPPT voltage range | 140-980 V | 160-950 V | 140-980 V vs 160-950 V | | Battery voltage | 600 V ~ 980 V | 350-435 Vdc | 600 V ~ 980 V vs 350-435 Vdc | | Dimensions | 470x525x166 mm | 440x708x170 mm | 470x525x166 mm vs 440x708x170 mm | ## Every compared parameter | Parameter | SUN2000-12KTL-M1 (High current version) | ESI-12K-T1 | | --- | --- | --- | | Rated AC power | 12.00 kW | 12.00 kW | | Max AC power | 12.00 kW | 13.20 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | 400 V | 400 V | | Max AC current | 18.4 A | 20.0 A | | Max PV power | 18.00 kW | 24.00 kW | | DC/AC ratio | 1.50 | 2.00 | | Max DC voltage | 1100 V | 1000 V | | MPPT voltage range | 140-980 V | 160-950 V | | Start voltage | 200 V | 200 V | | MPP trackers | 2 | 3 | | Strings per tracker | 1 | 1 | | Max input current per tracker | 13.5 A | 20.0 A | | European efficiency | 98.2 % | 97.5 % | | Max efficiency | 98.6 % | 98.2 % | | CEC efficiency | - | - | | Battery input | Yes | Yes | | Battery voltage | 600 V ~ 980 V | 350-435 Vdc | | Max charge current | 17 A | 25 A | | Backup power | 3.3 kW | - | | Weight | 17.0 kg | 30.0 kg | | Weight per kW | 1.4 kg/kW | 2.5 kg/kW | | Dimensions | 470x525x166 mm | 440x708x170 mm | | Ingress protection | IP65 | IP66 | | Cooling | natural | natural | | Noise | - | - | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | Yes | - | | Ethernet | Yes | - | | Arc fault protection | Yes | Yes | | Integrated DC switch | Yes | Yes | | Warranty | - | - | ## Related comparisons - [Huawei SUN2000-12KTL-M1 (High current version) vs Growatt MID 12KTL3-XH](https://comparepv.com/compare-inverters/huawei-sun2000-12ktl-m1-high-current-version/growatt-mid-12ktl3-xh) - 14 differences, the largest is max input current per tracker - [Huawei SUN2000-12KTL-M1 (High current version) vs Huawei SUN5000-12K-MAP0](https://comparepv.com/compare-inverters/huawei-sun2000-12ktl-m1-high-current-version/huawei-sun5000-12k-map0) - 13 differences, the largest is max input current per tracker - [Huawei SUN2000-12KTL-M1 (High current version) vs Huawei SUN2000-12K-MAP0](https://comparepv.com/compare-inverters/huawei-sun2000-12ktl-m1-high-current-version/huawei-sun2000-12k-map0) - 13 differences, the largest is max input current per tracker --- Source: https://comparepv.com/compare-inverters/huawei-sun2000-12ktl-m1-high-current-version/sofar-solar-esi-12k-t1 Not in this file, on the page: a written summary generated on request.