--- title: "Deye SUN-15K-G03-LV vs Sungrow SG15KTL-M - Inverter Comparison | ComparePV" description: "Compare Deye SUN-15K-G03-LV vs Sungrow SG15KTL-M side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/deye-sun-15k-g03-lv/sungrow-sg15ktl-m" updated: 2026-01-17 --- # Deye SUN-15K-G03-LV vs Sungrow SG15KTL-M 11 differences, and they point both ways The largest is european efficiency: 0.5 pp more efficient. 9 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-15K-G03-LV](https://comparepv.com/inverter/deye-sun-15k-g03-lv) | [Sungrow SG15KTL-M](https://comparepv.com/inverter/sungrow-sg15ktl-m) | | Manufacturer | Deye | Sungrow | | Rated AC power | 15 kW | 15 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | SUN-15K-G03-LV | SG15KTL-M | Difference | | --- | --- | --- | --- | | European efficiency | 97.8 % | 98.3 % | +0.5 pp for SG15KTL-M | | Max DC voltage | 800 V | 1100 V | 300 V apart | | Max input current per tracker | 25.0 A | 22.0 A | +3.0 A for SUN-15K-G03-LV | | Max AC power | 16.50 kW | 15.00 kW | 1.50 kW apart | | Weight | 28.0 kg | 24.0 kg | -4.0 kg for SG15KTL-M | | Nominal AC voltage | 220 V | 400 V | 180 V apart | | Max AC current | 43.3 A | 24.0 A | 19.3 A apart | | Max operating temperature | 65 °C | 60 °C | +5 °C for SUN-15K-G03-LV | | Weight per kW | 1.9 kg/kW | 1.6 kg/kW | -0.3 kg/kW for SG15KTL-M | | MPPT voltage range | 200-700 V | 200-1000 V | 200-700 V vs 200-1000 V | | Dimensions | 520x400x240 mm | 485x370x210 mm | 520x400x240 mm vs 485x370x210 mm | ## Every compared parameter | Parameter | SUN-15K-G03-LV | SG15KTL-M | | --- | --- | --- | | Rated AC power | 15.00 kW | 15.00 kW | | Max AC power | 16.50 kW | 15.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | 220 V | 400 V | | Max AC current | 43.3 A | 24.0 A | | Max PV power | 19.50 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 | 2 | | Max input current per tracker | 25.0 A | 22.0 A | | European efficiency | 97.8 % | 98.3 % | | Max efficiency | 98.6 % | 98.6 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 28.0 kg | 24.0 kg | | Weight per kW | 1.9 kg/kW | 1.6 kg/kW | | Dimensions | 520x400x240 mm | 485x370x210 mm | | Ingress protection | IP65 | IP65 | | Cooling | forced-air | forced-air | | 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-15K-G03-LV vs Growatt MID 15KTL3-X](https://comparepv.com/compare-inverters/deye-sun-15k-g03-lv/growatt-mid-15ktl3-x) - 12 differences, the largest is european efficiency - [Deye SUN-15K-G03-LV vs Huawei SUN2000-15KTL-M2](https://comparepv.com/compare-inverters/deye-sun-15k-g03-lv/huawei-sun2000-15ktl-m2) - 14 differences, the largest is european efficiency - [Deye SUN-15K-G03-LV vs Huawei SUN2000-15KTL-M0](https://comparepv.com/compare-inverters/deye-sun-15k-g03-lv/huawei-sun2000-15ktl-m0) - 12 differences, the largest is european efficiency - [Sungrow SG15KTL-M vs Growatt MOD 15KTL3-X](https://comparepv.com/compare-inverters/sungrow-sg15ktl-m/growatt-mod-15ktl3-x) - 9 differences, the largest is max input current per tracker --- Source: https://comparepv.com/compare-inverters/deye-sun-15k-g03-lv/sungrow-sg15ktl-m Not in this file, on the page: a written summary generated on request.