1.Advanced MPPT technology, with efficiency no less than 99.5%.Ultra-fast tracking speed and guaranteed tracking efficiency.Advanced MPPT control algorithm to minimize the maximum power point loss rate and loss time. 2.Wide operating voltage range.High quality components, perfecting system performance, with maximum conversion efficiency of 98%.Accurate recognition and tracking of multiple-peaks maximum power point. 3.International famous of ST and IR's components of high quality and low failure rate are used, which can the product's service life.Charging power and current limitation function.Compatible with lead-acid and lithium- batteries 4.Battery temperature compensation function.Real-time energy statistics function.Overheating power reduction function.Multiple load work modes.The communication port adopts professional protection chip, which can 5VDC power supply, and has over-current and short-circuit protection. 5.With -485 communication bus interface and Modbus communication protocol, it is available to meet communication requirements in different situations.Monitor and set the parameters via mobile phone APP or PC software.Full-load operation without any drop in capacity within the range of working environment temperature : plastic colour: As shown Package Contents: 1 x MPPT Solar Charger Controller(2206AN) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.