--- title: "SMA Solar Sunny Highpower PEAK3 SHP 172-21 vs SMA Solar Sunny Highpower Storage SHPS 180-21 - Inverter Comparison | ComparePV" description: "Compare SMA Solar Sunny Highpower PEAK3 SHP 172-21 vs SMA Solar Sunny Highpower Storage SHPS 180-21 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-172-21/sma-solar-sunny-highpower-storage-shps-180-21" updated: 2026-01-16 --- # SMA Solar Sunny Highpower PEAK3 SHP 172-21 vs SMA Solar Sunny Highpower Storage SHPS 180-21 2 differences, none of them an advantage The largest is rated ac power: 8.00 kW apart. 14 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [SMA Solar Sunny Highpower PEAK3 SHP 172-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-172-21) | [SMA Solar Sunny Highpower Storage SHPS 180-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-storage-shps-180-21) | | Manufacturer | SMA Solar | SMA Solar | | Rated AC power | 172 kW | 180 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | PEAK3 SHP 172-21 | Storage SHPS 180-21 | Difference | | --- | --- | --- | --- | | Rated AC power | 172.00 kW | 180.00 kW | 8.00 kW apart | | Max AC power | 172.00 kW | 180.00 kW | 8.00 kW apart | ## Every compared parameter | Parameter | PEAK3 SHP 172-21 | Storage SHPS 180-21 | | --- | --- | --- | | Rated AC power | 172.00 kW | 180.00 kW | | Max AC power | 172.00 kW | 180.00 kW | | Grid connection | 3-phase | 3-phase | | Nominal AC voltage | - | - | | Max AC current | 151.0 A | 151.0 A | | Max PV power | 344.00 kW | - | | DC/AC ratio | 2.00 | - | | Max DC voltage | 1500 V | 1500 V | | MPPT voltage range | - | - | | Start voltage | - | - | | MPP trackers | 1 | - | | Strings per tracker | - | - | | Max input current per tracker | 180.0 A | - | | European efficiency | 98.9 % | 98.9 % | | Max efficiency | 99.2 % | 99.2 % | | CEC efficiency | - | - | | Battery input | - | Yes | | Battery voltage | - | See per-model DC battery voltage range (590-1500 V; 880-1500 V; 968-1500 V; 1012-1500 V) | | Max charge current | - | 180 A | | Backup power | - | - | | Weight | 99.0 kg | 99.0 kg | | Weight per kW | 0.6 kg/kW | 0.6 kg/kW | | Dimensions | 830x770x462 mm | 830x770x462 mm | | Ingress protection | IP65 | IP65 | | Cooling | forced-air | forced-air | | Noise | 69 dB | 69 dB | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | - | - | | Ethernet | Yes | Yes | | Arc fault protection | - | - | | Integrated DC switch | - | - | | Warranty | 5 yrs | 5 yrs | ## Related comparisons - [SMA Solar Sunny Highpower PEAK3 SHP 172-21 vs SMA Solar Sunny Highpower Storage SHPS 172-21](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-172-21/sma-solar-sunny-highpower-storage-shps-172-21) - The same specification on paper - [SMA Solar Sunny Highpower PEAK3 SHP 172-21 vs Huawei SUN2000-185KTL-H1](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-172-21/huawei-sun2000-185ktl-h1) - 9 differences, the largest is rated ac power - [SMA Solar Sunny Highpower PEAK3 SHP 172-21 vs SMA Solar Sunny Highpower PEAK3 SHP 180-21](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-172-21/sma-solar-sunny-highpower-peak3-shp-180-21) - 3 differences, the largest is rated ac power - [SMA Solar Sunny Highpower Storage SHPS 180-21 vs Growatt MAX 180KTL3-X MV](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-storage-shps-180-21/growatt-max-180ktl3-x-mv) - 6 differences, the largest is max dc voltage - [SMA Solar Sunny Highpower Storage SHPS 180-21 vs Growatt MAX 185KTL3-X HV](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-storage-shps-180-21/growatt-max-185ktl3-x-hv) - 8 differences, the largest is rated ac power --- Source: https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-172-21/sma-solar-sunny-highpower-storage-shps-180-21 Not in this file, on the page: a written summary generated on request.