--- title: "Growatt MAX 180KTL3-X MV vs SMA Solar Sunny Highpower PEAK3 SHP 180-21 - Inverter Comparison | ComparePV" description: "Compare Growatt MAX 180KTL3-X MV vs SMA Solar Sunny Highpower PEAK3 SHP 180-21 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/growatt-max-180ktl3-x-mv/sma-solar-sunny-highpower-peak3-shp-180-21" updated: 2026-01-16 --- # Growatt MAX 180KTL3-X MV vs SMA Solar Sunny Highpower PEAK3 SHP 180-21 10 differences, and they point both ways The largest is mpp trackers: 9 trackers more. 7 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [Growatt MAX 180KTL3-X MV](https://comparepv.com/inverter/growatt-max-180ktl3-x-mv) | [SMA Solar Sunny Highpower PEAK3 SHP 180-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-180-21) | | Manufacturer | Growatt | SMA Solar | | Rated AC power | 180 kW | 180 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | MAX 180KTL3-X MV | Sunny Highpower PEAK3 SHP 180-21 | Difference | | --- | --- | --- | --- | | MPP trackers | 10 | 1 | +9 trackers for MAX 180KTL3-X MV | | Max DC voltage | 1100 V | 1500 V | 400 V apart | | Max input current per tracker | 45.0 A | 180.0 A | +135.0 A for Sunny Highpower PEAK3 SHP 180-21 | | Max PV power | 270.00 kW | 360.00 kW | 90.00 kW apart | | DC/AC ratio | 1.50 | 2.00 | +0.50 for Sunny Highpower PEAK3 SHP 180-21 | | Weight | 93.0 kg | 99.0 kg | -6.0 kg for MAX 180KTL3-X MV | | Max efficiency | 98.8 % | 99.2 % | +0.4 pp for Sunny Highpower PEAK3 SHP 180-21 | | Max AC current | 216.5 A | 151.0 A | 65.5 A apart | | Ingress protection | IP66 | IP65 | IP66 vs IP65 | | Dimensions | 640x1075x367 mm | 830x770x462 mm | 640x1075x367 mm vs 830x770x462 mm | ## Every compared parameter | Parameter | MAX 180KTL3-X MV | Sunny Highpower PEAK3 SHP 180-21 | | --- | --- | --- | | Rated AC power | 180.00 kW | 180.00 kW | | Max AC power | 180.00 kW | 180.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | 480 V | - | | Max AC current | 216.5 A | 151.0 A | | Max PV power | 270.00 kW | 360.00 kW | | DC/AC ratio | 1.50 | 2.00 | | Max DC voltage | 1100 V | 1500 V | | MPPT voltage range | 180-1000 V | - | | Start voltage | 195 V | - | | MPP trackers | 10 | 1 | | Strings per tracker | - | - | | Max input current per tracker | 45.0 A | 180.0 A | | European efficiency | - | 98.9 % | | Max efficiency | 98.8 % | 99.2 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 93.0 kg | 99.0 kg | | Weight per kW | 0.5 kg/kW | 0.6 kg/kW | | Dimensions | 640x1075x367 mm | 830x770x462 mm | | Ingress protection | IP66 | IP65 | | Cooling | forced-air | forced-air | | Noise | - | 69 dB | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | Yes | - | | Ethernet | - | Yes | | Arc fault protection | Yes | - | | Integrated DC switch | Yes | - | | Warranty | 5 yrs | 5 yrs | ## Related comparisons - [Growatt MAX 180KTL3-X MV vs SMA Solar Sunny Highpower Storage SHPS 180-21](https://comparepv.com/compare-inverters/growatt-max-180ktl3-x-mv/sma-solar-sunny-highpower-storage-shps-180-21) - 6 differences, the largest is max dc voltage - [Growatt MAX 180KTL3-X MV vs Growatt MAX 185KTL3-X HV](https://comparepv.com/compare-inverters/growatt-max-180ktl3-x-mv/growatt-max-185ktl3-x-hv) - 11 differences, the largest is rated ac power - [Growatt MAX 180KTL3-X MV vs Huawei SUN2000-185KTL-H1](https://comparepv.com/compare-inverters/growatt-max-180ktl3-x-mv/huawei-sun2000-185ktl-h1) - 12 differences, the largest is rated ac power --- Source: https://comparepv.com/compare-inverters/growatt-max-180ktl3-x-mv/sma-solar-sunny-highpower-peak3-shp-180-21 Not in this file, on the page: a written summary generated on request.