![SMA Sunny Boy 3.8-US 3,800 W (SunSpec Compliant) - SB-3.8-1SP-US-41 | solar panels and solar equipment SMA Sunny Boy 3.8-US 3,800 W (SunSpec Compliant) - SB-3.8-1SP-US-41 | solar panels and solar equipment](https://cdn.shopify.com/s/files/1/0079/6003/5417/products/sma_sunny_boy_inverter_gray_1400x.jpg?v=1565983913)
SMA Sunny Boy 3.8-US 3,800 W (SunSpec Compliant) - SB-3.8-1SP-US-41 | solar panels and solar equipment
![HeatSpring Magazine – Free Solar Design Tool: String Sizing Tool For Commercial Solar Projects That Works with All Inverters HeatSpring Magazine – Free Solar Design Tool: String Sizing Tool For Commercial Solar Projects That Works with All Inverters](http://blog.heatspring.com/wp-content/uploads/2014/07/Screen-shot-2014-07-16-at-10.30.36-AM.png)
HeatSpring Magazine – Free Solar Design Tool: String Sizing Tool For Commercial Solar Projects That Works with All Inverters
![HeatSpring Magazine – Part 3: How to Design Grid-Connected Solar PV Inverters, Strings, and Conductors HeatSpring Magazine – Part 3: How to Design Grid-Connected Solar PV Inverters, Strings, and Conductors](http://blog.heatspring.com/wp-content/uploads/2012/07/invertersizing.png)
HeatSpring Magazine – Part 3: How to Design Grid-Connected Solar PV Inverters, Strings, and Conductors
![HeatSpring Magazine – Free Solar Design Tool: String Sizing Tool For Commercial Solar Projects That Works with All Inverters HeatSpring Magazine – Free Solar Design Tool: String Sizing Tool For Commercial Solar Projects That Works with All Inverters](http://blog.heatspring.com/wp-content/uploads/2014/07/Screen-shot-2014-07-16-at-10.50.25-AM.png)