Out of stock

Mission Solar 345W Solar Panel 60 Cell MSE345SX5T

price as of May 26
Solar Loan from 6.99%
All Mission Solar products All 345 Watt Panels


Rated Power Output 345 W
Voltage (VOC)41.0
Maximum String Voltage 1000V
Number of cells60
Cell TypeMonocrystalline
Rated Efficiency18.7 %
Connector TypeMC4
Backsheet Colorblack
Frame Colorblack
Dimensions LxWxH68.8" x 41.5" x 1.6"
Weight44.8 lb
Pallet Qty34
ManufacturerMission Solar
Manufacturer Part #MissionSolarMSE345SX5T
Operating Temperatures -40 °F to +185 °F
Scope of Application
  • Solar Panels for Boats
  • Solar Panels for Commercial
  • Solar Panels for Home
  • Solar Panels for RV
  • Grid-Tie
  • Off-Grid
Warranty25 Year Product and Performance Warranty
Delivery Time 5-7 business days

About product

Mission Solar 345W Solar Panel is a 60 cell module featuring class leading power output that makes it ideal for both commercial and residential systems, off-grid or grid-tie application. The Passivated Emitter Rear Contact (PERC) technology ensures excellent power output with the help of advanced cell structure. Mission Solar panel are assembled in Texas, USA and considered best in class quality product.

  • 345W Power Output
  • 60 Cell, Monocrystalline, 6 busbar
  • 18.7% Module Efficiency
  • MC4 Connectors
  • PID Resistant
  • Extreme weather resilience
  • Advanced technology
  • Black frame, black back

Higher Efficiency of up to 18.7%

American quality panels that guarantee the highest power output. PERC technology and 6 busbars drive 18.7% module efficiency. Positive tolerance of -0~ 3%.

High Efficiency at High Temperatures

The low thermal coefficient produces greater energy production at high operating temperatures. The module provides a high energy yield at low NOCT = 44.43°C ( ±2°C). Find more information in Mission Solar 345 spec sheet.

Quality and Reliability

Mission 345-Watt Solar Panel receives multiple quality checks throughout the manufacturing process and is subject to stringent quality and reliability testing. Mission Solar Energy modules are Buy American Act and American Recovery and Reinvestment Act compliant. Mission Solar Energy is dedicated to quality, safety, and reliability to ensure you get the very best.

PID Resistant

A low annual degradation rate of 0.7% guarantees no less than 81.2% of power output by year 25.

Enhanced Frame Design

This panel is a 60 cell solar panel featuring a sleek, all-black design coupled with outstanding power output. Its design makes it ideal for residential and commercial rooftop systems. Strong 40mm robust frame increases durability and strength and is able to withhold a heavy snow load up to 5600 Pa and large hail, according to Mission Solar 345W spec sheet. Added salt mist resistance makes this module an excellent choice for use in most harsh weather conditions.

12 Year Product and 25 Year Performance Warranty

Mission 345-watt Solar Panel goes with an industry-leading 25-year performance warranty independently backed by Powerguard’s third-party insurance and a 12-year product warranty.


68.8" x 41.5" x 1.6"


44.8 lbs

Reviews & Questions

  • Reviews (3)
  • Questions (4)
The efficiency is kinda average, but the panels are cheap and quite sturdy, so i would say that they are worth their money.
07/22/2021 07:19 pm
Gotta say, Mission Solar makes great panels. They are really sturdy and look really good too. I loved the service, everything arrived in one week, nothing was missing and nothing was broken. tnx!
07/04/2021 05:49 pm
Finally got a chance to check out American-made panels! They’re good, budget-friendly, but very powerful at the same time!
06/02/2021 01:48 pm

Leave a review

I'm looking at your Mission Solar panels MSE345SX5T 120 CELL. Is this one of your best panels. Or is there better one you can recommend. thank you for your time.
Carl Mitchell
08/16/2021, 17:40
Yes. Mission Solar is the one the best US made panels on the market.
Is it American or Canadian? Where do they make them?
07/17/2021, 11:53
Mission Solar panels are made in Texas, USA.
Good day. What are the requirements for the installation?
06/22/2021, 10:21
Hello. If you mean solar permit, then the requirements differ from state to state. Consult with your installer, he should know all the details about getting the papers.
Will these panels work during a blackout?
06/11/2021, 09:50
It depends on your system type, but in the panels you use. Grid-tie solar systems shut down during power outages due to safety reasons. If you want to have interrupted power supply, you need to add energy storage to your installation or go off grid.


How much is shipping and how long is delivery?
Our standard shipping charge is $250 for up to 11 panels and it is increased by $25 for every 4 additional panels. In the event, the product is only available on East or West coast custom quote will be sent to you before the order is processed. Normally, we are able to deliver solar panels within 7 business days.
What is the difference between low price panels and top price panels?
With top tier solar panels, you pay for the brand name, proprietary new technology, higher energy output, and better warranty support.
What are the dimensions of the panel?
Please refer to the product datasheet on the product page. We have a datasheet for every product we sell.
How long is the warranty on the panel?
In general, manufacturers provide a 25 year-long performance warranty and a 10 year-long equipment guarantee. Some manufacturers offer 12-15 years of warranty. More information is available in our warranty support section.
Which panels do you recommend for RV, marine?
We recommend Panasonic and Mission Solar panels for smaller systems as their high energy output and excellent craftsmanship guarantee years of service.
Can this panel be used with a 12v system?
Any of our panels can be used for a 12v system with a properly selected inverter and charge controller.
Can I pick up this panel from your fulfillment center to save on shipping?
Yes, we can set up a pick up at a local distributor. Please call to discuss options and stock availability.
How do I connect these panels?
To achieve the best system efficiency, panels should be connected in series to create higher voltage.
How many panels do I need?
This number is determined by your average energy needs. Depending on the type of panels and energy consumption, you might need anywhere from 12 to 45 solar panels. Remember, the more panels you install the more energy you will get.Please use our solar calculator to estimate your energy consumption and plan on building a solar system that will exceed your energy needs by 25%.
Do you offer discounts?
We do offer discounts for orders of over 50 units. Please contact us for details.
How do I build a solar system?
Please use our solar calculator to estimate what equipment you need. Choose your panels, microinverters, inverters, and solar batteries if necessary.Please note that we do not offer solar system design or installation.
How do solar panels compare?
Solar panels differ by power output, voltage, connection type, size, efficiency, and weight. Some solar panels might be sold together with microinverters as a set.
Can I build a solar system by myself as a Do It Yourself project?
Yes, it is possible if you understand what solar equipment you need and how to connect it together. However, please be mindful that handling your own electrical work without having proper experience might cause life-threatening injuries. Please contact a certified electrician if you do not possess appropriate electrical skills.
Can I connect and charge my solar panel battery directly with the solar panel?
We do not recommend using the solar panel without the charge controller. Using solar panels without the charge controller might damage the batteries.
Can I drill holes into the aluminum frame for mounting?
We do not recommend drilling any new holes to the aluminum frame of the panel as it could damage the internal circuit and solar cells. (Also, any modification to the panel will void the warranty). We recommend only using the pre-drilled holes for mounting.
Do solar panels require maintenance? Can I wash my solar panel?
Solar panels generally require very little maintenance. We recommend cleaning the solar panel with water, glass cleaner (Windex) and microfiber cloth.
Will my panel produce power in an overcast condition?
While solar panels require sunlight to generate solar energy, they will still work in cloudy weather. Even on a cloudy day, solar panels will produce energy just not as much.
Will my panels produce power if covered with snow?
Solar panels cannot produce electricity if covered with snow.
What is the best direction for a solar panel to face?
The best direction for a solar panel to face is the South