TP-Link Omada Solar System Controller VIGI PS90

VIGI Solar System Controller-Without Solar PanelSpec:Up to 3 × 31.2Ah/3*12VDC Output Battery, More than 500 cycles; Charging Condition: -20?~45?(With intelligent auxiliary heat); Discharging Condition: -30?~60? (With intelligent auxiliary heat); 1*10/100Mbps RJ45