WERCHTAY 300W 12V Monocrystalline Solar Panel for RV, Home, Camping, Caravan, Boat and off-Grid Power Systems
WERCHTAY 300W 12V Monocrystalline Solar Panel for RV, Home, Camping, Caravan, Boat and off-Grid Power Systems
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WERCHTAY

WERCHTAY 300W 12V Monocrystalline Solar Panel for RV, Home, Camping, Caravan, Boat and off-Grid Power Systems

|11 ratings
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Shape1Pack 300W

Key item features

  • Advanced Efficiency: Employs advanced BC (Back Contact) technology, achieving 26.5% conversion efficiency for maximum power output in less space.
  • Optimized Capture: Wires are moved to the back, creating a 100% clean front surface for unobstructed sunlight capture and preventing energy loss.
  • Low-Light Performance: Features a 10BB rear-contact design reducing internal resistance, enabling earlier morning and later evening charging on cloudy days.
  • Self-Cleaning Surface: A smooth, grid-free front face prevents dust and dirt buildup, keeping the panel cleaner for steady power and reduced maintenance.
  • Rugged Construction: Strong rear design and tough aluminum frame minimize mechanical stress, enduring heavy snow and high winds for over 25 years.
  • Electrical Specifications: Provides 300W maximum power, 18.9V at maximum power, 15.88A current, and measures 53.31 x 30.2 x 1.18 inches.
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Specs

Solar panel peak wattage, 300 WattsSolar panel type, Monocrystalline Solar PanelBrand, WERCHTAYSolar panel power voltage, 17.08 VoltsSolar panel amperage, 17.56 AMount type, Wall Mount

About this item

Product details

WERCHTAY 300W Rigid Solar Panel — Next-Generation BC Technology
Upgrade your power system with the WERCHTAY 300W Solar Panel. It uses new BC (Back Contact) technology to remove metal lines from the front. This allows the panel to reach a top 26.5% efficiency rate. It catches more sunlight and gives you more power in less space. The smart 10BB back design helps it work great even on cloudy or low-light days.

Heavy-Duty Build for All Weather
This WERCHTAY 300W solar panel is built to last for 25 years. The smooth front face stays clean easily, while the tough aluminum frame stands up to heavy snow and strong winds. It is the perfect, reliable power choice for your RV, boat, trailer, or off-grid cabin.

Technical Specifications:
Maximum Power (Pmax): 300W
Voltage at Max Power (Vmp): 18.9V
Current at Max Power (Imp): 15.88A
Open Circuit Voltage (Voc): 22.76V
Short Circuit Current (Isc): 17.24A
Dimensions: 53.31 x 30.2 x 1.18 inches
  • 【WERCHTAY BC Tech 26.5% Efficiency】 Using advanced BC Back Contact Technology, the WERCHTAY 300W solar panel brings conversion efficiency to a high 26.5%. You get much more power out of a smaller space compared to standard solar panels.
  • 【Max Sunlight Capture Design】 By moving all electrical wires to the back, this WERCHTAY solar panel has a 100% clean front surface. Every inch of the panel works to catch sunlight, stopping the energy loss caused by old metal lines.
  • 【Superior Low Light Performance】 The advanced 10BB rear-contact design reduces internal resistance. This means your off-grid system starts charging earlier in the morning and keeps working later into the evening, even on cloudy days.
  • 【Self Cleaning and Anti Shading】 The smooth, grid-free front face looks sleek and stops dust and dirt buildup. Without front wires to trap dirt, these panels stay clean longer, ensuring steady power with less maintenance.
  • 【Rugged Build and Decades of Power】 Made for the toughest outdoor weather, the strong rear design reduces mechanical stress. Paired with a tough aluminum frame, this rigid panel is built to stand up to heavy snow and high winds for over 25 years.
info:
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Specifications

Solar panel peak wattage

300 Watts

Solar panel type

Monocrystalline Solar Panel

Brand

WERCHTAY

Solar panel power voltage

17.08 Volts

Warranty

Warranty information

YES

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Customer ratings & reviews

4.6 out of 5 stars
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11 ratings2 reviews
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  1. 5 stars82% (9)
  2. 4 stars9% (1)
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Showing 1-2 of 2 reviews

Aug 20, 2026
Reviewer name: Wedsam2014
Item details
Shape: 1Pack 300W
Sold and shipped byWERCHTAY Official Store US
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Excellent solar panel 👍🏼 300 watts was just what I wanted.

Incentivized Review
Helpful?0UQL4O4NSPP814483352065
Nov 2, 2026
Reviewer name: Brittani
Item details
Shape: 1Pack 300W
Sold and shipped byWERCHTAY Official Store US
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Absolutely incredible love the size building an 8 grid set up of these at 2400 watts, love it, great stuff love these cells over the mighty max ones I swapped out 🤩

Incentivized Review
Helpful?0UQL4O4NSPP814483352065
Current price is $155.99
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Sold and shipped by WERCHTAY Official Store US
4.172131147540983 out of 5 stars
4.2 stars out of 5, based on 122 seller reviews(4.2)
Extended holiday returns
Free Holiday returns until Jan 31