Collection: SMA

Sunny Island Accessories for older model Sunny Island inverters

Allows disconnection of loads in event of low battery state of charge. Controlled by signal from programmable relays inside the Sunny Island inverter.

Used to measure DC current when there are loads or charge sources directly connected to the battery. Allows the Sunny Island inverters to include these in it's state of charge calculations and ensure accurate battery charging.

Used with the Master inverter of each cluster with lead acid batteries to ensure correct battery charging.

This provides means of monitoring solar insolation, temperature and wind speed as long term data monitoring and checking performance of a wind or solar system. Includes solar cell with +/- 8% accuracy. Optional higher accuracy cells, wind anemometer, and temperature sensors. Easy to connect via RS485 or Bluetooth to Sunny WebBox and from there data can be transferred to Sunny Portal for graphical display and further analysis.

Optional DC overvoltage protection (Type 2 or Type 1/2).