[email protected] +86 13530368057 Xixiang, Bao'An District, Shenzhen, China
Enquiries answered within 12 hours
Mono Solar Panel

300W Mono Solar Panel

A-grade Solar Cell High Efficiency > 19.3% Cost-effective for Home Use Off Grid PV System Installation

Request A Quote Email Us
Rooftop solar panel installation on a large white building with workers visible on the roof.
Solar panels resting on wheeled racks inside a brightly lit manufacturing facility.Two vertical solar panels on a white background with a company logo in the top right corner.
Product Overview

What This Product Is

A 300W monocrystalline solar panel designed for residential off-grid and hybrid solar systems. It uses high-efficiency monocrystalline cells with a power tolerance of 0 to +5W and operates at a maximum power voltage of 32.6V under standard test conditions. The panel is suitable for rooftop or ground mounting and is built for long-term outdoor use in residential applications.

Key Benefits

What You Get

  • 300W output with a power tolerance of 0 to +5W for predictable energy yield
  • High module efficiency of 18.35% for better space utilisation on rooftops
  • Monocrystalline cell technology with PID resistance and high salt and ammonia resistance
  • Built for off-grid and hybrid systems with stable performance in variable weather
  • Standard test conditions: 1000W/m2 irradiance, 25℃ ambient temperature, AM 1.5 spectrum
Who It Is For

Buyers and Sites

  • Solar installers building residential off-grid or hybrid systems
  • Homeowners installing solar for self-consumption and energy independence
  • EPC contractors sourcing panels for small-scale residential projects
  • Importers and wholesalers supplying solar components to off-grid markets
Application Scenarios

Where It Is Installed

  • Residential off-grid homes with no access to utility power
  • Rural homes with unreliable or intermittent grid supply
  • Solar water pumping systems requiring consistent DC power
  • Remote cabins or holiday homes needing reliable solar energy
  • Hybrid systems where solar supplements grid or generator power
Problems It Solves

What This Removes From the Job

Technical Features

How It Is Built

  • Monocrystalline cell technology with high efficiency and long-term stability
  • Maximum power voltage of 32.6V at standard test conditions
  • Short-circuit current of 9.64A, compatible with standard charge controllers
  • Module efficiency of 18.35% under standard test conditions
  • PID resistant with high salt and ammonia resistance for coastal or humid environments
  • Standard test environment: 1000W/m2 irradiance, 25℃ ambient temperature, AM 1.5 spectrum
Specifications

Technical Data

Values below are taken from the product documentation. Anything not listed is confirmed against your order.

Model NumberWSM60 300W
Power Output300W
Maximum Power Voltage32.6V
Open-circuit Voltage39.9V
Short-circuit Current9.64A
Maximum Power Current9.20A
Module Efficiency18.35%
Power Tolerance0 to +5W
Standard Test EnvironmentIrradiance 1000W/m2, Ambient temperature 25℃, Spectrum AM 1.5
Cell TypeMonocrystalline
Frame MaterialAnodised aluminium
Glass TypeTempered glass, low iron
BacksheetTedlar/PET/Tedlar composite
Configuration

What Is in the Shipment

The packing list follows this table item by item.

Module TypeWSM60 270WWSM60 275WWSM60 280WWSM60 285WWSM60 290WWSM60 295WWSM60 300WWSM60 305W
Open-circuit Voltage (Voc)38.5V38.8V39.0V39.3V39.5V39.7V39.9V40.2V
Maximum Power Voltage (Vmp)31.5V31.6V31.7V31.8V32.2V32.5V32.6V32.9V
Short-circuit Current (Isc)9.17A9.25A9.35A9.45A9.50A9.55A9.64A9.74A
Maximum Power Current (Imp)8.57A8.70A8.83V8.97A9.01A9.08A9.20A9.27A
Module Efficiency(%)16.51%16.82%17.13%17.43%17.74%18.04%18.35%18.65%
Power Tolerance0~+5W
Standard Test EnvironmentIrradiance 1000w/m2, Ambient temperature 25℃, Spectrum AM 1.5
Materials

What It Is Made Of

  • Monocrystalline silicon cells with high conversion efficiency
  • Tempered glass with low iron content for maximum light transmission
  • Anodised aluminium frame for corrosion resistance and structural strength
  • Tedlar/PET/Tedlar backsheet for long-term outdoor durability
Manufacturing and Preparation

Before It Ships

  • Cell selection based on power output and efficiency thresholds
  • Panel assembly using automated lamination and frame bonding
  • Electrical testing under standard test conditions before packing
  • Final inspection for visual defects, frame alignment and connector integrity
  • Packaging in corrugated cardboard with corner protectors for shipping
Quality Control

Checked Before Packing

Customisation

What Can Be Changed at Order Stage

  • Available in different sizes: S, M, L based on mounting and space requirements
  • Can be supplied with or without mounting brackets depending on system design
  • Connector type can be changed to alternative MC4 or similar if required
  • Custom packaging options available for bulk shipment and logistics
Comparison

How It Compares With the Alternatives

Polycrystalline panelHigher efficiency and better performance in low-light conditions, but slightly more expensive
270W panelHigher power output and efficiency, but requires compatible system voltage and controller
Grid-tie panelDesigned for off-grid and hybrid use with higher voltage tolerance, not limited to grid synchronization
Low-efficiency panelBetter long-term energy yield and space utilisation, but higher initial cost per watt
Use Guide

Getting It Working on Site

1

Ensure the panel is installed in a location with full sun exposure and minimal shading

2

Match the panel's open-circuit voltage to the system's maximum allowable voltage

3

Use MC4 connectors with proper crimping and torque to prevent connection failure

4

Mount the panel securely using the provided brackets to withstand wind and snow loads

5

Check the panel's output periodically under standard test conditions for performance monitoring

Go Deeper

Related Pages

Related Guides

Related Products

Others in Mono Solar Panel

Solar panel with orange text overlays on a white background
Solar Power Supply Equipment

Perc 420w 450w 460w Half Cell Mono Solar Panel PV Modules

Positive Power Tolerance (0~5W) Guaranteed High module conversion efficiency (up to 20.9%) Slower power degrad

View product →
Digital illustration of two solar panels standing upright
Mono Solar Panel

335W to 370W Mono Solar Panel

1. A-Grad Solar Cell 2. Mono Solar Panel 3. Cost-effective for Off Grid Solar System

View product →
Solar panel displayed against a white background with a brand logo in the top right corner
Solar Panel

150W Mono Solar Panel Solar Modules for Home System

25 year transferrable power output warranty: 10 years / 90%, 25 years / 80% Rated Power: 150W Max Volt: 17.8V

View product →
Two framed solar panels displayed against a white background with a company logo overlay
Solar Panel

250W Mono Solar Panel for Home Solar System

25 year transferrable power output warranty: 10 years / 90%, 25 years / 80% Rated Power: 250W Max Volt: 30.85V

View product →
FAQ

Questions About the 300W Mono Solar Panel

What is the power output of this panel?

The panel has a rated power output of 300W with a tolerance of 0 to +5W.

What is the maximum power voltage?

The maximum power voltage is 32.6V under standard test conditions.

Is this panel suitable for off-grid systems?

Yes. It is designed for off-grid and hybrid solar systems with stable performance in variable conditions.

What type of cells are used?

The panel uses high-efficiency monocrystalline silicon cells with PID resistance and high salt and ammonia resistance.

What is the standard test environment?

Standard test environment is 1000W/m2 irradiance, 25℃ ambient temperature, and AM 1.5 spectrum.

Can the panel be used in coastal areas?

Yes. The panel has high salt and ammonia resistance, making it suitable for coastal and humid environments.

How is the panel packaged for shipping?

The panel is packaged in corrugated cardboard with corner protectors for safe transport.

Request a Quote for the 300W Mono Solar Panel

Send your load list or drawing on WhatsApp or by email and an engineer will reply with pricing, the configuration and the packing details.

Chat on WhatsApp Email UsBack to Mono Solar Panel