ELECTRICAL SPECIFICATIONS

Module TypeOSA-72M-260OSA-72M-280
Testing ConditionSTCNOCTSTCNOCT
Rated Output (Pmp/Wp)260195280210
Rated Voltage (Vmp/V)41.0436.5341.136.57
Rated Current (Imp/A)6.345.346.825.74
Open Circuit Voltage (Voc/V)48.9640.6448.9740.64
Short Circuit Current (Isc/A)6.665.617.166.02
Module Efficiency (%)20.65%20.85%

Power Tolerance (W): —
Standard Test Condition (STC): Irradiance 1000W/m², Cell Temperature 25°C, AM1.5
Nominal Module Operating Temperature (NOCT): Irradiance 800W/m², Ambient Temperature 20°C, AM1.5, Wind Speed 1m/s


MECHANICAL SPECIFICATIONS

ParameterDescription
Cell TypeMONO 182×91mm
No. of Cells72 (4×18)
Dimension1720x780x30mm
Weight15kg
Glass3.2mm, Low Iron Tempered Glass
FrameAnodized Aluminium Alloy
Junction BoxIP68, 3 diodes
Output Cables4mm², Length 900mm or customized
Connector TypeMGA compatible

TEMPERATURE CHARACTERISTICS

ParameterValue
NOCT Temperature-44°C ±2°C
Temperature Coefficient (Pmax)-0.38%/°C
Temperature Coefficient (Voc)-0.28%/°C
Temperature Coefficient (Isc)+0.05%/°C

MAXIMUM RATINGS

ParameterValue
Maximum System Voltage (IEC)1500V DC
Snow / Wind Load5400Pa / 2400Pa
Operating Temperature-40°C ~ +85°C
Maximum Series Fuse Rating20A

Mono PV Module

HIGH EFFICIENTY SERIES

A monocrystalline solar panel is an assembly composed of several monocrystalline silicon solar cells assembled on a panel in a certain manner.

PORTABLE SOLAR PANELS

HI-POWER SERIES

Hi-Power series, lighter, more suitable for portable power station

FLEXIBLE SOLAR PANELS

TF SERIES

Developed with patented material technology, high-efficiency cell design

Rigid Solar Panel

SGM SERIES

The SGM series can charge 12V batteries such as boats, RVs, or any other system with 12V batteries or battery packs.

Why Get Solar Panels from us- Chinese solar panel manufacturers and suppliers

High-Efficiency Technology

Advanced solar cells maximize energy output, ensuring superior performance even in low-light conditions

Durable & Sustainable Design

Robust materials and rigorous testing guarantee 25+ years of reliability, backed by industry-leading warranties

End-to-End Custom Solutions

Tailored systems for residential/commercial needs, paired with seamless installation support and financing options

Competitive Pricing & Trusted Service

Cost-effective pricing with rapid ROI, supported by 24/7 customer care and global technical expertise

1. Benefit From Your Committed Solar Panel Factory

Your brand, your rules: Customize designs, branding, and specs effortlessly. We handle engineering, certifications, and logistics, ensuring your products stand out while cutting R&D costs and time-to-market.

No more inventory headaches: Our scalable factory adapts to your order size, delivering bulk shipments or custom designs 20% faster than industry averages.

IWISSolar offers you a discount sample for testing and to confirm that we met your custom design requirements. For existing samples, it takes about 7 days to reach. If you want your own designs, it takes 10-15 days, subject to your designs whether they need a new printing screen, etc. 

2. Custom Your Bulk Solar Panel

Identifying Your Solar panel Idea

  • Share your needs: efficiency, size, or aesthetics.

  • Get free expert consultation to refine specs (e.g., wattage, frame color) for your project or market.

Custom Design & Printed Logo

  • Add your brand identity: choose panel colors, patterns, or print your logo directly.

  • We handle technical details (certifications, durability testing) and offer 3D prototypes for approval before mass production.

Choose Types/Functions

Flexible/lightweight panels (for RVs or curved surfaces).

    • Smart panels (with built-in monitoring).

  • Mix types to match diverse applications (residential, commercial, industrial).

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