Just looked at a 300 Watt panel from them. At 1.27 x 0.71 Mts and a total area of just 0.9 Sq Mt I would not touch them with a barge pole. This panel would be doing well if could produce 100 Watts.
It really does get tiresome! When will people STOP looking at the wattage of the panel.
Calculate the area & if they say the output is more than 180watts/mē then the panel is the creation of a mermaid & a unicorn called Unobtainium!
Barge poles are the best defence against these things!
By the time you calculate the area that the frame & gaps cover, the actual solar cells will cover at most 90% of the overall panel. So it is not physically possible to have a higher wattage.
Do no buy a panel with plastic corners.
The cheap panels are using B grade cells.
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Procrastination, mankind's greatest labour saving device!
50L custom fuel rack 6x20W 100/20mppt 4x26Ah gel 28L super insulated fridge TPMS 3 ARB compressors heatsink fan cooled 4L tank aftercooler Air/water OCD cleaning 4 stage car acoustic insulation.
Projecta's most efficient panel 1.485 x 0.668 metres = 176.4 watts/mē.
I am using 6 Projecta 20 watt panels at 113 watts/mē & I am using 'rock stretchers' to get the most out of them.
Before buying anything, do a scale drawing of your roof. Buying the wrong size will be far more costly if they do not fit, also allow for panel pads, & allow clearance for shadows cast by other things on your roof. Tiny shadows can bring down the whole system.
Large systems, look at 24 or 48 volts to reduce wiring size.
__________________
Procrastination, mankind's greatest labour saving device!
50L custom fuel rack 6x20W 100/20mppt 4x26Ah gel 28L super insulated fridge TPMS 3 ARB compressors heatsink fan cooled 4L tank aftercooler Air/water OCD cleaning 4 stage car acoustic insulation.
Something like the LG 365watt at 1.700 x 1.016 at 211watts/mē.
A bit of a safety issue having something this large on a caravan or motor home. Let alone trying to fit one around other things on the roof.
At least LG are honest & provide more data which you rarely get anywhere else. 365watts for the STC standard & only 275watts for NOCT standard (more realistic)
__________________
Procrastination, mankind's greatest labour saving device!
50L custom fuel rack 6x20W 100/20mppt 4x26Ah gel 28L super insulated fridge TPMS 3 ARB compressors heatsink fan cooled 4L tank aftercooler Air/water OCD cleaning 4 stage car acoustic insulation.
