--- title: "Deye SUN-12K-G03-LV vs Sungrow SG12KTL-M - Inverter Comparison | ComparePV" description: "Compare Deye SUN-12K-G03-LV vs Sungrow SG12KTL-M side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/deye-sun-12k-g03-lv/sungrow-sg12ktl-m" updated: 2026-01-17 --- # Deye SUN-12K-G03-LV vs Sungrow SG12KTL-M 13 differences, and they point both ways The largest is max dc voltage: 300 V apart. 7 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [Deye SUN-12K-G03-LV](https://comparepv.com/inverter/deye-sun-12k-g03-lv) | [Sungrow SG12KTL-M](https://comparepv.com/inverter/sungrow-sg12ktl-m) | | Manufacturer | Deye | Sungrow | | Rated AC power | 12 kW | 12 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | SUN-12K-G03-LV | SG12KTL-M | Difference | | --- | --- | --- | --- | | Max DC voltage | 800 V | 1100 V | 300 V apart | | Max input current per tracker | 25.0 A | 11.0 A | +14.0 A for SUN-12K-G03-LV | | Max AC power | 13.20 kW | 12.00 kW | 1.20 kW apart | | Weight | 28.0 kg | 20.0 kg | -8.0 kg for SG12KTL-M | | European efficiency | 97.8 % | 98.1 % | +0.3 pp for SG12KTL-M | | Weight per kW | 2.3 kg/kW | 1.7 kg/kW | -0.7 kg/kW for SG12KTL-M | | Nominal AC voltage | 220 V | 400 V | 180 V apart | | Max AC current | 34.6 A | 20.0 A | 14.6 A apart | | Max operating temperature | 65 °C | 60 °C | +5 °C for SUN-12K-G03-LV | | MPPT voltage range | 200-700 V | 200-1000 V | 200-700 V vs 200-1000 V | | Strings per tracker | 2 | 1 | 1 string apart | | Dimensions | 520x400x240 mm | 485x370x160 mm | 520x400x240 mm vs 485x370x160 mm | | Cooling | forced-air | natural | forced-air vs natural | ## Every compared parameter | Parameter | SUN-12K-G03-LV | SG12KTL-M | | --- | --- | --- | | Rated AC power | 12.00 kW | 12.00 kW | | Max AC power | 13.20 kW | 12.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | 220 V | 400 V | | Max AC current | 34.6 A | 20.0 A | | Max PV power | 15.60 kW | - | | DC/AC ratio | 1.30 | - | | Max DC voltage | 800 V | 1100 V | | MPPT voltage range | 200-700 V | 200-1000 V | | Start voltage | 250 V | 250 V | | MPP trackers | 2 | 2 | | Strings per tracker | 2 | 1 | | Max input current per tracker | 25.0 A | 11.0 A | | European efficiency | 97.8 % | 98.1 % | | Max efficiency | 98.6 % | 98.6 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 28.0 kg | 20.0 kg | | Weight per kW | 2.3 kg/kW | 1.7 kg/kW | | Dimensions | 520x400x240 mm | 485x370x160 mm | | Ingress protection | IP65 | IP65 | | Cooling | forced-air | natural | | Noise | 45 dB | - | | Max operating temperature | 65 °C | 60 °C | | Wi-Fi | Yes | - | | Ethernet | Yes | - | | Arc fault protection | - | - | | Integrated DC switch | Yes | Yes | | Warranty | - | - | ## Related comparisons - [Deye SUN-12K-G03-LV vs Growatt MOD 12KTL3-X](https://comparepv.com/compare-inverters/deye-sun-12k-g03-lv/growatt-mod-12ktl3-x) - 16 differences, the largest is max dc voltage - [Deye SUN-12K-G03-LV vs Growatt MOD 12KTL3-X2(Pro)](https://comparepv.com/compare-inverters/deye-sun-12k-g03-lv/growatt-mod-12ktl3-x2-pro) - 17 differences, the largest is max dc voltage - [Deye SUN-12K-G03-LV vs Sungrow SG12RT-20](https://comparepv.com/compare-inverters/deye-sun-12k-g03-lv/sungrow-sg12rt-20) - 12 differences, the largest is max dc voltage - [Sungrow SG12KTL-M vs GoodWe GW12KLN-DT](https://comparepv.com/compare-inverters/sungrow-sg12ktl-m/goodwe-gw12kln-dt) - 6 differences, the largest is max dc voltage --- Source: https://comparepv.com/compare-inverters/deye-sun-12k-g03-lv/sungrow-sg12ktl-m Not in this file, on the page: a written summary generated on request.