SolarEdge S500B power optimiser

Optimisers allow for uneven strings, longer strings, mix of panel types and orientations on the same string as well as reducing the impact of partial shading on the array.

The Solar Edge S-series beneficial features include:

• Exceptional Efficiency: Improve Module generation by mitigating against mismatch with an inbuilt MPPT and possess an efficiency of 99.5%.
• Advanced safety built-in: 
  
• Electric Arc Protection - An unattended electric arc could develop into a fire. SolarEdge Sense Connect has the capability to identify abnormal thermal events in the connector, preventing electric arcs from forming.
• Safe to the Touch DC Voltage - Solar Edge's SafeDC technology reduces PV system DC voltage within 5 minutes to touch safe levels. By using the Rapid Shutdown feature conductors can be discharged to safe to touch levels within 30 seconds.
• Real-time Module-level Monitoring - SolarEdge provides a monitoring and alerts system, giving installers automatic and pinpointed notifications on issues to help prevent potential safety risks, while enabling superior asset protection and rapid, remote troubleshooting.
  
• Warranty: This product is protected by a 25-year Power optimiser warranty thanks to SolarEdge's robust and reliable technology.

Ideal for Residential usage.

SolarEdge also have a helpful system design tool and a site designer tutorial. A full list of Solar Edge benefits benefits of using solaredge here.