For Panels 70W to 120W

1. Electrical Characteristics at STC (70W to 120W)

Nominal Power (Pmax)70W80W90W100W110W120W
Open Circuit Voltage (Voc)24.48V21.76V24.48V22.44V24.48V24.48V
Short Circuit Current (Isc)3.59A4.61A4.61A5.59A5.63A6.15A
Voltage at Nominal Power (Vmp)20.52V18.24V20.52V18.81V20.52V20.52V
Current at Nominal Power (Imp)3.42A4.39A4.39A5.32A5.36A5.85A
Module Efficiency (%)15.31%17.22%14.93%15.13%15.37%17.03%

Common Parameters for All Models (70W to 120W):

ParameterSpecification
Operating Temperature-40°C to +85°C
Maximum System Voltage1000VDC (IEC) / 600VDC (UL)
Fire Resistance RatingType 1 (in accordance with 1703) / Class C (IEC61730)
Maximum Series Fuse Rating15A

Note: STC: Irradiance 1000W/m², Cell temperature 25°C, AM1.5, Power Tolerance 0~+3%


2. Size and Packing (OSA36M70 to OSA36M120)

ModelCells SizeNumber of CellsDimensionsWeight
OSA36M70182×45.5mm36 (18×2)900x400x255.6kg
OSA32M80182×60.67mm32 (8×4)770x540x255.9kg
OSA36M90182×60.67mm36 (9×4)770x605x256.3kg
OSA33M100166x83mm33 (11×3)980x540x256.5kg
OSA36M110166x83mm36 (12×3)1070x540x257.1kg
OSA36M120210x70mm36 (9×4)880x740x257.6kg

3. Mechanical Characteristics (70W to 120W)

ComponentSpecification
Front Cover3.2mm, Anti-Reflection Coating, Tempered Glass
FrameAnodized Aluminum Alloy
Junction BoxIP 67 Rated
CableTOV 1×4.0mm²
ConnectorPV Connector (compatible)

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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