Premium Bifacial N-Type Topcon 640W Solar Panels for Sale

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Product Description

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Basic Information

Model NO.
STM-640/144-S5S
Application
Home/Industrial
Condition
New
Certification
ISO, CE, TUV, IEC 61215, IEC 61730, Retie
Material
Monocrystalline Silicon
Factory
Yes
OEM/ODM
Available
Transport Package
Carton and Wooden Pallet
Specification
2456x1134x35(30)mm
Production Capacity
3GW Per Year
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Packaging & Delivery

Package Size
2300.00cm * 1140.00cm * 1254.00cm
Gross Weight
1150.000kg
Arrival Time
10-15 Days
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Product Specifications

Module Type STM440/108-S5S STM445/108-S5S STM450/108-S5S STM455/108-S5S STM460/108-S5S
Testing Condition STCNOCT STCNOCT STCNOCT STCNOCT STCNOCT
Max Power (Pmax/W) 440331 445339 450343 455347 460350
Open Circuit Voltage (Voc/V) 38.9836.99 39.0037.34 39.1837.51 39.3637.69 39.5437.86
Short Circuit Current (Isc/A) 14.4111.63 14.6311.79 14.6811.87 14.7311.87 14.7911.92
Module Efficiency (%) 22.3% 22.5% 22.8% 23.0% 23.3%
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Product Overview

Solar Panel Overview
Performance Graph
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Detailed Features

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Production Facility & Strength

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Quality & Projects

Frequently Asked Questions

Why choose our solar panels and systems?
We are an R&D manufacturer providing professional proposals and uniform designs. Every product is 100% tested before delivery. We provide 7x24h online support and easy-to-follow installation manuals.
Is the enterprise focused on innovation?
Yes, we invest at least 10% of our annual revenue into product development and upgrading, keeping us at the forefront of the industry.
What is the annual production capacity?
Our annual production capacity is currently above 3GW.
What is the warranty period for your products?
We offer a 12-year limited PV module warranty and a 30-year limited power output warranty.
What are the supported payment terms?
We support multiple payment methods including Credit Card, Bank Transfer (T/T), and Letter of Credit (L/C).
How is the export business proportion?
Our business consists of 20% domestic trade and 80% export to more than 100 countries and regions.

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