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SolarWorld 320 Watt Solar Panel, Sunmodule SW320 Mono V4.0 Frame OPEN BOX

SolarWorld 320 Watt Solar Panel, Sunmodule SW320 Mono V4.0 Frame OPEN BOX
SolarWorld 320 Watt Solar Panel, Sunmodule SW320 Mono V4.0 Frame OPEN BOX
Item code Brand name Model number Volts Watts Connector Type
SOW320SW320MOB SolarWorld SW320 mono Open Box 24V 320W H4

NEW Dual Warranty Protection on SolarWorld Solar Panels! For residential or commercial installations up to 50 kW installed 1/1/2017 or after.  See DOCUMENTS tab for Details. 

Call us for special discounts on pallet pricing!
1-800-320-9514 for more information.

Solarworld solar panels

Check out our video on 3 Cool Things About SolarWorld Solar Panels!


What are the differences between Polycrystalline solar cells and Monocrystalline solar cells?



320W Monocrystalline Solar Panel, 24V

The SolarWorld Sunmodule SW 320 solar panel is one of the largest wattage panels in the 300 watt solar panel family. This is a 24V solar panel with 72 cells connected in series. These modules will work well to charge a 24V battery, and they are commonly wired in series to charge 48V batteries, or for higher voltage circuits to feed grid tie inverters. The output of the panel offers the highest system efficiency and production for a solar panel over 300 watts. SolarWorld only delivers modules that have greater than or equal to the nameplate rated power. This means you get at least 320 watts of power, and as much 325 watts, with the power tolerance ranges between -0 Wp and +5 Wp. More for your money in a 300 watt solar panel range, the SolarWorld SW 320 is a great panel to build a powerful system for your home or business.

SolarWorld has been making panels in the USA since 1975! They continually strive to make improvements, and go through rigorous climate and durability testing. Additionally, every panel gets sorted in 5 watt increments - always rounded down. So you're guaranteed to get at least the rated wattage of your panel - ie. 320 watts - never less and most likely more!

SolarWorld provides a 10-year Limited Product Warranty and 25-year Linear Service Warranty*. This means that for 24 years, the solar panels will not lose more than .7% of their rated output power each year. At 25 years and beyond, they'll still output at least 82% of their rated power, so you'll have decades of use with these panels!
*See warranty statement in the 'Documents' section above for details.

Please read our blog "How Do I Read the Solar Panel Specifications?"


  • Sunmodule power is warranted for 25 years
  • SolarWorld is the largest manufacturer of solar photovoltaic panels in the USA since 1977 and is a $1 billion world wide solar manufacturer. These 320W panels are manufactured in Germany.
  • Multi-year independent testing by Photon magazine confirms that Sunmodules generate up to 10% more kWh per rated kW than other major brands. More kWh means more money in your pocket.
  • Sunmodules are tested to withstand hail, extreme heat, high winds and heavy snow loads.
  • Sunmodules meet or exceed the latest electrical codes for safety and durability.
  • Sunmodules are manufactured in ISO 9001:2000 certified factories and feature:
    • Silicone sealant
    • Tempered glass
    • EVA embedding
    • Solar cell
    • Back sheet
    • High-strength frame
  • The Sunmodule’s tight +/- 3% power tolerance ensures that you get the output you’re paying for.
  • Rated power Pr SW320
    Peak power Pmpp 320W
    Peak power voltage Vmpp 36.7V
    Peak power current Impp 8.78A
    0pen circuit voltage Voc 45.9V
    Short circuit current Isc 9.41A
    Max Series Fuse*   25A

    * Max Reverse Current of this module is 25A. Reverse current is used for calculations and sizing of fuses and breakers. This is subjective - as this can be calculated based on 80% of the max, or 90% of the max etc. Therefore depending on how the fuses/breakers are sized, this module can handle a maximum of 25A of reverse current.


    Due to continuous research and product improvement the specifications in this Product Information Sheet are subject to change without notice. Specifications can vary slightly. For installation and operation instructions, see the applicable manuals. No rights can be derived from this Product Information Sheet and SolarWorld AG assumes no liability whatsoever connected to or resulting from the use of any information contained herein.

    To see why SolarWorld claims one of the lowest panel defect rates in the industry, and why their systems have been operating flawlessly in the field for 30 years, click on video below.

    SolarWorld solar panels

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