SLR Surabhi Power Pvt Ltd.

Adavanced TOPCon Bifacial Solar Panels

Get in touch

Request a quote or make an enquiry, and we will get back to you at the earliest!

Words left: 0/1000

High-Efficiency TOPCon Bifacial Solar Panels by SLR Surabhi Power

Welcome to SLR Surabhi Power, India's leading innovator in TOPCon solar panel technology for 2025. Our RPS2MH72BDXXX N-type bifacial TOPCon modules, featuring advanced 16-busbar design and M10 cells, deliver power outputs from 570W to 590W with up to 22.84% efficiency. Engineered for harsh Indian climates, these bifacial TOPCon solar panels offer zero LID, excellent PID resistance, and a bifaciality factor up to 80%, making them ideal for large-scale utility and ground mount solar projects across India. As TOPCon captures nearly 50% of the Indian market by late 2025, our ALMM-approved modules ensure compliance and superior performance for sustainable energy initiatives.

High-Efficiency TOPCon Bifacial Solar Panel Manufacturing

Why Choose TOPCon Bifacial Solar Panels from SLR Surabhi Power?

In 2025, TOPCon solar cells are revolutionizing the PV industry with efficiencies over 22%, surpassing traditional PERC by 1-2% in energy yield. Our N-type TOPCon modules minimize micro-cracks with 16 busbars, half-cut cells, and smart soldering, while zero LID ensures no light-induced degradation. Perfect for hot, dusty regions, they feature low temperature coefficients for stable output in high-heat conditions. Here's what sets our high-efficiency bifacial solar panels apart:

  • Superior Efficiency & Yield: Up to 22.84% module efficiency and 590W output, with 80% bifaciality for 20-30% extra rear-side generation.
  • Harsh Weather Resilience: Tested to 5400 Pa snow load and 2400 Pa wind load, ideal for India's diverse terrains.
  • Robust Longevity: 1% first-year degradation, 0.40% annual thereafter, with excellent PID resistance for 87.40% power retention over 30 years.
  • Low-Light Excellence: Optimized for cloudy, rainy days with enhanced performance in weak irradiance, boosting ROI in variable weather.
  • Advanced N-Type Features: Zero LID, high tolerance (0~+5W), and low temp coefficient (-0.30%/°C) for reliable hot-climate operation.
  • ALMM Approved: Fully compliant for government projects, DCR-ready, and factory-audited for quality assurance.
  • Certifications Galore: ISO 9001:2015, 14001:2015, and 45001:2018 for unmatched quality, environmental, and safety standards.

Key Specifications of RPS2MH72BDXXX TOPCon Bifacial Solar Panels

Explore the precision-engineered specs of our 144-cell TOPCon solar modules, designed for maximum solar panel efficiency in India 2025.

Electrical Data (STC: Irradiance 1000W/m², Cell Temperature 25°C, Air Mass AM1.5)

Parameter 570W 575W 580W 585W 590W
Peak Power (Pmax) - Wp 570 575 580 585 590
Power Tolerance (W) 0 ~ +5 0 ~ +5 0 ~ +5 0 ~ +5 0 ~ +5
Max Power Voltage (Vmpp) - V 42.44 42.56 42.68 42.79 42.91
Max Power Current (Impp) - A 13.44 13.52 13.59 13.68 13.76
Open Circuit Voltage (Voc) - V 51.16 51.29 51.42 51.55 51.68
Short Circuit Current (Isc) - A 14.16 14.24 14.32 14.40 14.48
Module Efficiency (ηm) - % 22.07 22.26 22.45 22.65 22.84

Electrical Data (NOCT: Nominal Operating Cell Temperature)

Parameter Value
Maximum Power (Pmax) - Wp 431 - 447 (varies by model)
Maximum Power Voltage (Vmpp) - V 39.83 - 40.34
Maximum Power Current (Impp) - A 10.83 - 11.08
Open Circuit Voltage (Voc) - V 48.32 - 48.80
Short Circuit Current (Isc) - A 11.42 - 11.68
NOCT 45°C ±2°C

Mechanical Data

Feature Details
Solar Cells Bifacial N-Type TOPCon, 144 Half Cut M10 Cells
Module Dimensions 2278 × 1134 × 30 mm (±1mm)
Weight 32.5 kg
Front Glass 2mm High Transmission Tempered Glass
Encapsulant EPE / EVA
Rear Cover 2mm High Transmission Glass
Frame 30mm Anodized Aluminum
Junction Box IP68 / IP67 Rated
Cable 4.0 mm², 300mm Length (+/-), Customizable
Connector MC4 Compatible

Temperature Ratings & Protections

Parameter Value
Temperature Coefficient of Pmax -0.30%/°C
Temperature Coefficient of Voc -0.24%/°C
Temperature Coefficient of Isc 0.04%/°C
Max Series Fuse Rating 30A

Warranties & Degradation Profile

Backed by industry-leading assurances, our TOPCon bifacial modules promise decades of reliable power:

  • 12-Year Product Workmanship Warranty
  • 30-Year Linear Power Warranty
  • 1% First-Year Degradation
  • 0.40% Annual Degradation Thereafter

Achieving 87.40% power at year 30 and 99% at year 1, these panels outperform in long-term yield.

Packing & Logistics

Configuration Details
Modules per Box 36 Pieces
Modules per 40’ HC Container 720 Pieces

Mechanical Load & Environmental Durability

Crafted for India's challenging environments, our advanced TOPCon solar panels deliver:

  • Snow Load: Up to 5400 Pa
  • Wind Load: Up to 2400 Pa
  • PID & Micro-Crack Resistance: 16-busbar tech and half-cut design for minimal losses
  • Zero LID: N-type stability for degradation-free performance

Performance Curves

Our M10 TOPCon bifacial panels shine across irradiance levels (1000-200 W/m²), with IV and PV curves demonstrating consistent output. Ideal for utility-scale solar farms in India, contact us for site-specific simulations.

Why SLR Surabhi Power Leads in TOPCon Solar Technology?

As a premier TOPCon solar panel manufacturer in India, SLR Surabhi Power is at the forefront of the 2025 solar revolution, with modules rivaling top brands like Waaree, Adani, and Gautam Solar. We offer end-to-end solutions for ground-mounted bifacial TOPCon projects, including custom designs, mounting, and commissioning. With ALMM List-I inclusion exceeding 50 GW capacity, we're ready to power your vision.

  • Tailored configurations for 570-590W deployments
  • Expert installation support with grounding and slots
  • Pan-India delivery, competitive pricing for Telangana, Andhrapradesh projects
  • Full lifecycle assistance from procurement to monitoring

Embrace the future of high-efficiency solar panels today! Reach out at 205, Sri Nagar Colony Rd, Sri Nagar Colony, Aurora Colony, Banjara Hills, Hyderabad, Telangana 500073, or email contact@slrsurabhi.com for a no-obligation quote.

Caution: Read safety and installation instructions before use. Specifications subject to change without notice.

OUR LONG-HAUL INDIA COMMITMENT

We are dedicated to serving the Indian market with reliable solar solutions, building our presence through trusted partnerships and a growing customer base.

  • Residential

    Helping families take charge of their electricity needs by offering efficient solar products that reduce costs and bring long-term savings.

  • Commercial & Industrial

    Supporting businesses and institutions with high-quality solar modules designed to deliver consistent performance and energy security.

  • Utility

    Partnering with utilities to expand clean energy capacity, contributing to India’s renewable energy goals and a sustainable future.

Why Solar

gallary_img

Renewable

gallary_img

Emission Free

gallary_img

Reduce Electric Bills

gallary_img

Eco-Friendly

gallary_img

Environmentally Friendly

gallary_img

Government Benefits

Why Choose Our Solar Modules?

✅ Maximum Performance

Generate up to 20% more energy, even during mornings, evenings, or cloudy days — ensuring reliable power when you need it most.

✅ Long-Term Endurance

Our modules are built to deliver consistent energy output for decades, backed by trusted performance guarantees.

✅ Proven Stability

Crafted with carefully selected, best-in-class raw materials to ensure long-lasting durability and a sustainable lifecycle.

✅ Superior Quality

Manufactured under the highest global standards, using advanced technology that ensures precision and reliability.

✅ Elegant Design

Engineered with sleek, discreet aesthetics that blend seamlessly into rooftops and landscapes without compromising performance.

✅ Commitment to Sustainability

Produced with eco-conscious practices, reduced use of harmful substances, and designed for recyclability in line with circular economy principles.

What Our Customer Says

Prudhvi
★★★★★
"I've been using the SLR Surabhi Power TOPCon 580W panels for 3 months now and they're fantastic! Great value for money and the functionality is exactly what I expected. Paired them with a good inverter and the performance has been consistent even during cloudy days. Highly recommend for anyone looking for reliable solar solutions."
Telangana | Verified Purchase
Poornesh Kumar
★★★★★
"Outstanding solar panels from SLR Surabhi Power! The quality is top-notch and they're charging my inverter perfectly. Installed 6 panels for my home setup and the power output has exceeded my expectations. The low light performance is impressive too - even on overcast days, I'm getting solid generation."
Odisha | Verified Purchase
Sai Chandhu
★★★★★
"Absolutely love these N-type TOPCon panels from SLR Surabhi Power! Bought a pack of 4 for my rooftop system and they're performing like champions. The bifacial design is giving me that extra 20% output from the rear side. Installation was straightforward and the build quality feels premium. 5-star rating without any hesitation!"
Maharashtra | Verified Purchase
Rajesh
★★★★★
"Best solar panel company hands down! The SLR Surabhi Power 590W modules are working flawlessly in my 10kW commercial setup. Efficient power supply even during peak summer heat. The team was helpful with technical specifications and delivery was prompt. If you're serious about solar, go with SLR Surabhi Power."
Karnataka | Verified Purchase
Ashwin Rajan
★★★★★
"Very impressed with the output from these TOPCon panels at such a competitive price. The packing was excellent and delivery was safe. Got 4 panels and they're producing exactly the rated power. Minor issue with cable lengths on two panels but overall performance is perfect. Great job SLR Surabhi Power!"
Tamilnadu | Verified Purchase
Pranitha
★★★★★
"Excellent product worth every penny! Had a small concern about the packaging seal when it arrived, but after testing, everything was perfect. The voltage and current output is spot on and the panels are generating consistently. SLR Surabhi Power has won my trust with this quality. Planning to order more for expansion."
Telangana | Verified Purchase
Ravi Shankar
★★★★★
"No complaints at all! These SLR Surabhi Power bifacial panels are superb when paired with quality batteries and inverters. The low light performance is genuinely impressive - getting good output even during monsoon season. Installed for my farm and the ROI is going to be fantastic. Highly satisfied customer here!"
Andhra Pradesh | Verified Purchase
Suresh Babu
★★★★★
"Superb quality from SLR Surabhi Power! Installed 8 panels for my small business in Coimbatore and they're performing beyond expectations. The N-type technology really makes a difference in hot weather - temperature coefficient is excellent. Support team helped with the technical specs and installation guidelines. Worth every rupee spent!"
Andhrapradesh | Verified Purchase
Maheshwar Sharma
★★★★☆
"Great panels for our eco-friendly home in Trivandrum! The bifacial design captures sunlight beautifully even with some shading from coconut trees. Output is steady and the build quality is solid. Only suggestion would be longer cables for easier rooftop installation. Overall, very happy with SLR Surabhi Power's product."
Kerala | Verified Purchase
Vijay Prakash
★★★★★
"Perfect choice for our 5kW residential system in Hyderabad! The TOPCon 580W panels from SLR Surabhi Power are generating exactly what was promised. Love the zero LID feature - no degradation even after two months of heavy usage. The aluminum frame is sturdy and weather-resistant. Highly recommend for South Indian climate!"
Telangana | Verified Purchase

FAQ's

  • What are bifacial solar panels and how do they work?
    Bifacial solar panels capture sunlight from both sides, increasing energy production by up to 30% compared to traditional panels. SLR Surabhi Power's bifacial modules use advanced glass-on-glass design with high-transmission tempered glass on both front and rear, allowing reflected light from the ground to generate additional power. Ideal for ground-mounted installations in sunny regions like Rajasthan.
  • What is TOPCon solar technology and its benefits?
    TOPCon (Tunnel Oxide Passivated Contact) is an advanced N-type solar cell technology that offers higher efficiency (up to 22.84%) and better performance in hot climates. SLR Surabhi Power's TOPCon panels feature zero LID, excellent PID resistance, and lower temperature coefficients (-0.30%/°C), making them superior to PERC for long-term reliability and higher yields in Indian conditions.
  • What is the efficiency of SLR Surabhi Power bifacial solar panels?
    Our TOPCon bifacial panels achieve up to 22.84% module efficiency, while PERC models reach 21.68%. This high efficiency translates to more power per square meter, reducing installation space requirements for large-scale projects. Perfect for maximizing ROI in utility-scale solar farms.
  • What power output range do your solar panels offer?
    SLR Surabhi Power provides bifacial panels from 530W to 590W. PERC models: 530-560W; TOPCon: 570-590W. All with positive power tolerance (0~+5W) for consistent performance in utility-scale and ground-mount applications.
  • What is the warranty on SLR Surabhi Power solar panels?
    We offer a 12-year product workmanship warranty and 30-year linear power warranty. TOPCon: 1% first-year degradation, 0.40% annual; PERC: 2% first-year, 0.45% annual. Ensuring 84-87% power output after 30 years for peace of mind.
  • Are SLR Surabhi Power panels ALMM approved?
    Yes, all our bifacial M10 modules are ALMM (Approved List of Models and Manufacturers) approved, making them eligible for government subsidies and DCR (Domestic Content Requirement) projects in India. Essential for MNRE projects and solar EPC contracts.
  • How do these panels perform in low light conditions?
    SLR Surabhi Power panels excel in low light, generating power during early mornings, sunsets, and cloudy days. TOPCon technology provides superior weak light response, ideal for India's variable weather patterns and monsoon seasons.
  • What is the bifaciality factor of your solar panels?
    Our PERC bifacial panels have up to 70% bifaciality, while TOPCon models reach 80%. This means they can produce 70-80% of front-side power from the rear, boosting overall yield in reflective environments like white gravel or TPO roofs.
  • What are the dimensions and weight of the panels?
    Standard size: 2278 × 1134 × 30 mm, weight 32.5 kg. Compact M10 144 half-cut cell design with 30mm anodized aluminum frame for easy handling and installation in large solar farms. Compatible with standard mounting systems.
  • What temperature coefficients do your panels have?
    TOPCon: Pmax -0.30%/°C, Voc -0.24%/°C, Isc 0.04%/°C. PERC: Pmax -0.32%/°C, Voc -0.25%/°C, Isc 0.06%/°C. Lower coefficients ensure stable performance in India's hot climates, minimizing power loss during peak summer temperatures.
  • What certifications do SLR Surabhi Power panels hold?
    ISO 9001:2015 (Quality), ISO 14001:2015 (Environment), ISO 45001:2018 (Health & Safety). Factory audited with comprehensive system certifications for reliable, eco-friendly manufacturing. Meets international standards for solar module production.
  • How many panels fit in a container?
    36 modules per box, 720 per 40' HC container. Efficient packing configuration optimizes shipping costs for large-scale solar projects across India. Reduces logistics expenses for EPC contractors and solar developers.
  • What mechanical loads can these panels withstand?
    Up to 5400 Pa snow load and 2400 Pa wind load. Designed for harsh weather: hail-resistant, hotspot-free, and micro-crack resistant for durability in extreme conditions. Perfect for high-wind areas like coastal Tamil Nadu and snowy Himalayan regions.
  • What's the difference between PERC and TOPCon solar panels?
    PERC (Passivated Emitter Rear Cell) offers good efficiency (up to 21.68%) with Ga-doped cells. TOPCon provides higher efficiency (22.84%), zero LID, better hot climate performance, and 16 busbars for reduced micro-cracks. TOPCon is ideal for premium, long-term installations.
  • Are these panels suitable for utility-scale projects?
    Yes, SLR Surabhi Power bifacial panels are optimized for large-scale utility and ground-mount projects. With M10 cells, smart soldering, and robust design, they deliver high yields and reliability for solar farms in Rajasthan and beyond.
  • How can I get a quote for SLR Surabhi Power solar panels?
    Contact our team at pv.marketing@slrsurabhi.com or visit ReNew.Hub, Gurugram. Provide project details for customized quotes on 530-590W bifacial modules. Fast response for EPC contractors and solar developers.
ios-14285
ISO9001-2015
iso45001-2018
PID-IEC 62804
iec-61215
IEC-61701
iec-61730-1
IEC-61853-1
IEC-62716
IEC60068
IOS-14001