--- title: "SOFAR 40KTLX-G4-LV vs Sungrow SG40CX-P2 - Inverter Comparison | ComparePV" description: "Compare SOFAR 40KTLX-G4-LV vs Sungrow SG40CX-P2 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/sofar-solar-sofar-40ktlx-g4-lv/sungrow-sg40cx-p2" updated: 2026-01-16 --- # SOFAR 40KTLX-G4-LV vs Sungrow SG40CX-P2 11 differences, and they point both ways The largest is max dc voltage: 200 V apart. 12 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 | [SOFAR 40KTLX-G4-LV](https://comparepv.com/inverter/sofar-solar-sofar-40ktlx-g4-lv) | [Sungrow SG40CX-P2](https://comparepv.com/inverter/sungrow-sg40cx-p2) | | Manufacturer | Sofar Solar | Sungrow | | Rated AC power | 40 kW | 40 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | SOFAR 40KTLX-G4-LV | SG40CX-P2 | Difference | | --- | --- | --- | --- | | Max DC voltage | 900 V | 1100 V | 200 V apart | | Max input current per tracker | 40.0 A | 30.0 A | +10.0 A for SOFAR 40KTLX-G4-LV | | Max PV power | 60.00 kW | 56.00 kW | 4.00 kW apart | | Weight | 75.0 kg | 40.0 kg | -35.0 kg for SG40CX-P2 | | Weight per kW | 1.9 kg/kW | 1.0 kg/kW | -0.9 kg/kW for SG40CX-P2 | | European efficiency | 98.0 % | 98.3 % | +0.3 pp for SG40CX-P2 | | DC/AC ratio | 1.50 | 1.40 | +0.10 for SOFAR 40KTLX-G4-LV | | Nominal AC voltage | 220 V | 400 V | 180 V apart | | Max AC current | 115.5 A | 66.9 A | 48.6 A apart | | MPPT voltage range | 180-800 V | 160-1000 V | 180-800 V vs 160-1000 V | | Dimensions | 695x970x325 mm | 575x645x245 mm | 695x970x325 mm vs 575x645x245 mm | ## Every compared parameter | Parameter | SOFAR 40KTLX-G4-LV | SG40CX-P2 | | --- | --- | --- | | Rated AC power | 40.00 kW | 40.00 kW | | Max AC power | 44.00 kW | 44.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | 220 V | 400 V | | Max AC current | 115.5 A | 66.9 A | | Max PV power | 60.00 kW | 56.00 kW | | DC/AC ratio | 1.50 | 1.40 | | Max DC voltage | 900 V | 1100 V | | MPPT voltage range | 180-800 V | 160-1000 V | | Start voltage | 200 V | 200 V | | MPP trackers | - | 4 | | Strings per tracker | 2 | 2 | | Max input current per tracker | 40.0 A | 30.0 A | | European efficiency | 98.0 % | 98.3 % | | Max efficiency | 98.5 % | 98.5 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 75.0 kg | 40.0 kg | | Weight per kW | 1.9 kg/kW | 1.0 kg/kW | | Dimensions | 695x970x325 mm | 575x645x245 mm | | Ingress protection | IP66 | IP66 | | Cooling | forced-air | forced-air | | Noise | - | - | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | Yes | Yes | | Ethernet | - | Yes | | Arc fault protection | Yes | Yes | | Integrated DC switch | Yes | Yes | | Warranty | - | - | ## Related comparisons - [SOFAR 40KTLX-G4-LV vs Growatt MID 40KTL3-X](https://comparepv.com/compare-inverters/sofar-solar-sofar-40ktlx-g4-lv/growatt-mid-40ktl3-x) - 11 differences, the largest is european efficiency - [SOFAR 40KTLX-G4-LV vs Huawei SUN2000-40KTL-M3](https://comparepv.com/compare-inverters/sofar-solar-sofar-40ktlx-g4-lv/huawei-sun2000-40ktl-m3) - 12 differences, the largest is max dc voltage - [SOFAR 40KTLX-G4-LV vs Solis-40K](https://comparepv.com/compare-inverters/sofar-solar-sofar-40ktlx-g4-lv/ginlong-solis-solis-40k) - 12 differences, the largest is max dc voltage - [Sungrow SG40CX-P2 vs Sungrow SG40CX](https://comparepv.com/compare-inverters/sungrow-sg40cx-p2/sungrow-sg40cx) - 6 differences, the largest is max input current per tracker --- Source: https://comparepv.com/compare-inverters/sofar-solar-sofar-40ktlx-g4-lv/sungrow-sg40cx-p2 Not in this file, on the page: a written summary generated on request.