It includes a power module with inverter and a high-capacity lithium-iron phosphate battery and is compatible with either or both off-grid PV Solar or on-grid mains power supply all fitted in a compact IP65 enclosure suitable for indoor or outdoor installations.
[pdf] 
On average a solar panel will produce about 80% of its rated wattage capacity in the peak hours. So, A 30w solar panel will produce on average 25 watts of power per peak sun hour. 12v 30w solar will produce 150Wh of DC power per day, considering 6 hours of peak sunlight and 12.5 DC amps @ 12 volts. .
30w solar panel can produce enough power to run a small portable fan, Charge cell phones, laptops, and other small appliances in the range of 25w. first of all, let's discuss how much power a 30w solar panel can generate per day so then it'll be easy to understand. .
As I have discussed, the solar panels will produce 150wh of power per day with 6 hours of peak sunlight or 12.5 amp-hours. which you can store. .
Video - How do batteries work? Watch this video to understand the basics of batteries and how they work so I'm gonna get involved in those. .
The company claims the maximum output of 30w solar panel at 30 watts per hour under Standard Test Conditions - STC. STC includes: 1000 watts per meter2 of sunlight intensity (peak sun hour), no wind, and 250C temperature But in reality, you'd receive about 80% of.
[pdf] Under ideal sunlight conditions, a 300 Watt solar panel has the potential to produce 300 Watts (0.3 kW) of power, or even a little bit more. However, in reality, the power output of a 300 Watt solar panel typically ranges from 100 to 250 Watts (0.1 to 0.25 kW).
[pdf]