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01223 858414

300W 12V/24V All-Black Monocrystalline Solar Panel

Large Mono


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These 300W mono-crystalline panels offer a module efficiency of up to 18.4% and make for a great value array with a neat black finish. 

Great-looking full black PERC panels from Longi Solar, one of the largest silicon producers in the world and a specialist in mono-crystalline cell and panel manufacturing.

High quality Low LID PERC cells are treated to reduce Light Induced Degradation (LID) for a better lifetime performance than standard Mono PERC. 


  • Peak power Wp 300W
  • Voltage at peak power Vmp: 32.8V
  • Max open circuit voltage Voc: 40.1V
  • Current at peak power Imp: 9.05A
  • Max short circuit current Isc: 9.69A
  • Weight: 18.5kg
  • Dimensions: 1650 x 991 x 35mm
  • Warranty on output: 25 years

For use on a 12V battery bank you will need to use a 30A MPPT solar regulator with this panel.

TRADE: Bulk purchase (10+ quantity) prices available upon request.