Lairt Pow6pcs 80mm Long 25G To 13G (0.5mm To 2.5mm OD) Stainless Steel Syringe Needle Dispensing

specification before use it.
Q:How long time it can work for my device
A:The using time is based on your device power,working time = 3108Wh* 0.85 / operating power of your device.
For reference, assuming power consumption of your device is 300W, working time will be 3108Wh*0.85/300W=8.8hrs (rough calculated) .
Q3: Does pecron E3000 include a built-in MPPT controller
A:Yes, there are two independent 600W(PV 32V ~95V) MPPT charge controllers inside, and one step up 100W (PV 18V) MPPT charge controller, The Voc ( Open Circuit Voltage) of the solar panels should not exceed 95V.