SPOT S-235-60-1
SPOT S-235-60-1
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SPOT S-235-60-1

SPOT S-235-60-1

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9+ sold

In the last 7 days

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Lifetime Customer Support

Unlimited lifetime support, always available.

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What is your return policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

What’s covered by your return policy?

Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my order?

All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

How does your Lifetime Customer Support work?

Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

SPOT S-235-60-1 235W Polycrystalline Monofacial Solar Panel

Model S-235-60-1 | Polycrystalline Silicon | 60 Full-Cell Polycrystalline | Monofacial | 1000V System Voltage

235 W
Max Power Output
14.44 %
Module Efficiency
60 Cells
Polycrystalline Cells

Product Overview

The SPOT S-235-60-1 235W polycrystalline solar panel delivers reliable power for residential and commercial systems. This module forms part of a 230–250 Wp family designed by Solar Power Technology Co., Ltd. in Thailand. A robust anodized aluminum frame, tempered glass, and EVA encapsulation are combined to protect the 60 multicrystalline cells in harsh outdoor conditions. With a panel efficiency of 14.44 percent at 235 Wp, the module efficiently converts sunlight into usable energy while keeping system design flexible. It is suitable for grid tied arrays or stand alone systems that use batteries, inverters, and charge controllers. The module’s 1000 V system voltage rating, 20 A series fuse rating, and weather resistant junction box support safe integration with modern balance of system hardware. This panel offers a dependable, cost effective choice when long term performance and straightforward installation are important.

Key Benefits

Reliable 235W power class: The module is rated at 235 watts under standard test conditions, supporting dependable output across many applications. Designers can use this rating to size battery banks, inverters, and loads with confidence.

Efficient polycrystalline cell design: A module efficiency of 14.44 percent allows more energy generation from limited roof or ground space. The 60 multicrystalline cells are electrically matched to reduce internal mismatch losses and optimize performance.

Durable construction for outdoor use: Tempered glass, EVA encapsulant, and a composite backsheet protect the cells from moisture and mechanical stress. The corrosion resistant anodized aluminum frame includes multiple mounting points to simplify installation on various structures.

Flexible system integration: A maximum system voltage of 1000 volts and a 20 amp series fuse rating support string design in both grid connected and stand alone systems. The weather resistant junction box with three bypass diodes helps reduce power loss under partial shading.

Tested quality with long service life: The SPOT S series modules are manufactured under ISO 9001:2008 quality management. Compliance with IEC 61215, IEC 61730, and TIS 1843-2553 standards, together with a 25 year limited warranty, provides strong assurance of long term reliability.

How It Works

The SPOT S-235-60-1 solar panel converts sunlight into direct current electricity using 60 polycrystalline silicon cells. When sunlight hits the cell surface, the photovoltaic effect generates a flow of electrons and creates DC power at the module terminals. Under standard test conditions, the panel delivers a maximum power of 235 watts at a voltage of 29.6 volts and a current of 7.94 amps. The panel can be wired in series or parallel with other modules in the SPOT S-230-60-1 to S-250-60-1 range to reach the required system voltage and current. Power from the module is routed through the junction box and PV cables to a charge controller, inverter, or battery bank, depending on the system architecture. In grid tied systems, an inverter converts DC into AC power synchronized with the utility grid, allowing on site consumption or export. In stand alone systems, a charge controller manages battery charging while protecting the batteries from overcharge and deep discharge.

Photovoltaic energy generation: Each multicrystalline cell absorbs sunlight and frees electrons within the silicon structure. The cells are wired in series to raise voltage while the panel’s internal layout is optimized to minimize resistive losses. At open circuit, the module provides 36.9 volts, while the short circuit current reaches 8.55 amps under STC conditions.

Module protection and bypass diodes: The strings of cells are encapsulated between EVA layers, tempered glass, and a composite backsheet to keep moisture out and ensure electrical isolation. A weather resistant junction box houses three bypass diodes that help current flow around shaded cell strings. This design reduces hot spot risk and preserves energy production when part of the panel is shaded.

Integration with system components: Factory fitted PV cables with 4 mm² cross section and 750 mm length provide straightforward connection to combiner boxes or inverters. In grid connected systems, strings of modules feed a solar inverter that synchronizes with the utility grid. In off grid or hybrid setups, the panel pairs with a charge controller, inverter, and battery bank to provide reliable power for homes, telecommunications, water pumping, security lighting, and other loads.

Technical Specifications

Module Brand SPOT (Solar Power Technology Co., Ltd.)
Model Number S-235-60-1
Technology / Cell Type Polycrystalline silicon, 60 full cells
Power Class Range 230 Wp to 250 Wp (S-230-60-1 to S-250-60-1)
Rated Maximum Power (Pmax) 235 Wp at STC
Power Tolerance ± 5 %
Module Efficiency 14.44 % (range 14.14 % to 15.37 % for series)
Voltage at Maximum Power (Vmpp) 29.6 V
Current at Maximum Power (Impp) 7.94 A
Open Circuit Voltage (Voc) 36.9 V
Short Circuit Current (Isc) 8.55 A
Maximum System Voltage 1000 V
Maximum Series Fuse Rating 20 A
Power Temperature Coefficient (Pmax) -0.39 % / °C
Voltage Temperature Coefficient (Voc) -0.32 % / °C
Current Temperature Coefficient (Isc) +0.05 % / °C
Module Dimensions (H × W × D) 1640 × 992 × 33 mm
Weight 20.4 kg
Front Glass Low iron tempered glass
Encapsulant Material Ethylene Vinyl Acetate (EVA)
Backsheet Material Composite TPT backsheet
Frame Type Anodized aluminum profile
Junction Box Weather resistant with 3 bypass diodes
PV Cable 1 × 4 mm², length 750 mm
Application Examples Village power, solar home systems, telecommunications, traffic signals, security lighting, water pumping, grid systems

Certifications & Compliance

Certifications: IEC 61215, IEC 61730, TIS 1843-2553, manufactured under ISO 9001:2008 quality management
Inverter Compatibility: Compatible with most 1000 V string inverters and off-grid charge controllers when designed within current and voltage limits
Environmental: Designed for outdoor installation with UV resistant materials, moisture protection, and electrical insulation up to 1000 V
Warranty: 25 years limited performance warranty as specified in the manufacturer’s datasheet

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

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Customer Success Stories

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

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Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Be Smart, Buy From an Authorized Dealer

When you choose Portlandia Electric Supply, you’re buying real products from a trusted company with established supplier relationships. Enjoy peace of mind with 100% manufacturer warranty coverage and lifetime customer support. In an age where online shopping is fraught with risks, it’s crucial to avoid fly-by-night websites that skirt regulations. Shop with confidence, knowing you’re getting genuine quality and reliable service.

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