--- title: "GoodWe GW1500-SS vs SMA Solar SB1.5-1VL-40 (Sunny Boy 1.5) - Inverter Comparison | ComparePV" description: "Compare GoodWe GW1500-SS vs SMA Solar SB1.5-1VL-40 (Sunny Boy 1.5) side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/goodwe-gw1500-ss/sma-solar-sb1-5-1vl-40-sunny-boy-1-5" updated: 2026-01-16 --- # GoodWe GW1500-SS vs SMA Solar SB1.5-1VL-40 (Sunny Boy 1.5) 12 differences, and they point both ways The largest is european efficiency: 1.3 pp more efficient. 10 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [GoodWe GW1500-SS](https://comparepv.com/inverter/goodwe-gw1500-ss) | [SMA Solar SB1.5-1VL-40 (Sunny Boy 1.5)](https://comparepv.com/inverter/sma-solar-sb1-5-1vl-40-sunny-boy-1-5) | | Manufacturer | GoodWe | SMA Solar | | Rated AC power | 1.5 kW | 1.5 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | GW1500-SS | SB1.5-1VL-40 (Sunny Boy 1.5) | Difference | | --- | --- | --- | --- | | European efficiency | 97.4 % | 96.1 % | +1.3 pp for GW1500-SS | | Max DC voltage | 500 V | 600 V | 100 V apart | | Max efficiency | 97.8 % | 97.2 % | +0.6 pp for GW1500-SS | | Max PV power | 1.80 kW | 3.00 kW | 1.20 kW apart | | DC/AC ratio | 1.20 | 2.00 | +0.80 for SB1.5-1VL-40 (Sunny Boy 1.5) | | Weight | 12.0 kg | 9.2 kg | -2.8 kg for SB1.5-1VL-40 (Sunny Boy 1.5) | | Weight per kW | 8.0 kg/kW | 6.1 kg/kW | -1.9 kg/kW for SB1.5-1VL-40 (Sunny Boy 1.5) | | Max AC power | 1.65 kW | 1.50 kW | 0.15 kW apart | | Start voltage | 125 V | 80 V | -45 V for SB1.5-1VL-40 (Sunny Boy 1.5) | | Max AC current | 8.0 A | 7.0 A | 1.0 A apart | | MPPT voltage range | 125-450 V | 160-500 V | 125-450 V vs 160-500 V | | Dimensions | 332x370x148 mm | 357x460x122 mm | 332x370x148 mm vs 357x460x122 mm | ## Every compared parameter | Parameter | GW1500-SS | SB1.5-1VL-40 (Sunny Boy 1.5) | | --- | --- | --- | | Rated AC power | 1.50 kW | 1.50 kW | | Max AC power | 1.65 kW | 1.50 kW | | Grid connection | Single-phase | Single-phase | | Nominal AC voltage | 230 V | 230 V | | Max AC current | 8.0 A | 7.0 A | | Max PV power | 1.80 kW | 3.00 kW | | DC/AC ratio | 1.20 | 2.00 | | Max DC voltage | 500 V | 600 V | | MPPT voltage range | 125-450 V | 160-500 V | | Start voltage | 125 V | 80 V | | MPP trackers | 1 | 1 | | Strings per tracker | - | 1 | | Max input current per tracker | - | 10.0 A | | European efficiency | 97.4 % | 96.1 % | | Max efficiency | 97.8 % | 97.2 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 12.0 kg | 9.2 kg | | Weight per kW | 8.0 kg/kW | 6.1 kg/kW | | Dimensions | 332x370x148 mm | 357x460x122 mm | | Ingress protection | IP65 | IP65 | | Cooling | natural | natural | | Noise | 25 dB | 25 dB | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | - | Yes | | Ethernet | - | Yes | | Arc fault protection | - | - | | Integrated DC switch | Yes | Yes | | Warranty | 5 yrs | 5 yrs | ## Related comparisons - [GoodWe GW1500-SS vs Deye SUN-1.5K-G](https://comparepv.com/compare-inverters/goodwe-gw1500-ss/deye-sun-1-5k-g) - 13 differences, the largest is max dc voltage - [GoodWe GW1500-SS vs Growatt MIC 1500TL-X](https://comparepv.com/compare-inverters/goodwe-gw1500-ss/growatt-mic-1500tl-x) - 12 differences, the largest is max dc voltage - [GoodWe GW1500-SS vs Growatt MIC 1500TL-X2](https://comparepv.com/compare-inverters/goodwe-gw1500-ss/growatt-mic-1500tl-x2) - 13 differences, the largest is max dc voltage --- Source: https://comparepv.com/compare-inverters/goodwe-gw1500-ss/sma-solar-sb1-5-1vl-40-sunny-boy-1-5 Not in this file, on the page: a written summary generated on request.