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CSI Model Number CS6K-280M
STC Rating 280.0 Watts
PTC Rating 253.9
Efficiency 17.11%
Open Circuit Voltage (Voc) 38.5 V
Short Circuit Current (Isc) 9.43 A
Frame Color All-Black
Origin China
Power Tolerance 0 / +5 Watts
Weight (lbs) 40.1
Length (in) 65.0
Width (in) 39.1
Height (in) 1.57

Canadian Solar All-Black CS6K-280M Solar Panel


No Longer Available


Canadian Solar All-Black
Canadian Solar CS6K-280M All-Black Solar Panel

The 280 watt CS6K-280M is an affordable way to get a sleek modern look on any home. These all-black solar panels have been designed for reliable rooftop PV installations.

Canadian Solar contractor
Sleek black frame, black solar cells with black backsheet looks great on just about any rooftop.
  • Sleek black appearance looks great on any roof.
  • Reliable mono-crystalline cells with black backsheet
  • Outstanding low-light performance for partial shade or cloud cover
  • Up to 5400 Pa load rating
  • The CS6K-280M has a reassuring power tolerance of +5W

High Module Quality for High Energy Yield

  • High product quality assured by applying the automotive industry quality management system (ISO16949)
  • High 253.9 PTC Rating for higher rebates or deductions
  • 100% EL screening to eliminate cell or module defects

Canadian Solar‘s All-Black CS6K-280M solar panels are equipped with dark mono-crystalline cells, a dark colored backsheet and a black frame for enhanced aesthetics and reliable output. This product can improve the aesthetics of a rooftop.

All-Black CS6K-280M 280 watt solar panels are ideal for:

  • On-grid roof-mount residential solar systems
  • On-grid commercial / industrial rooftops
  • On-grid schools and hospitals

A Trusted Name in in the Solar Industry

As a leading PV project developer and manufacturer of solar modules with over 16 GW deployed around the world since 2001, Canadian Solar Inc. (NASDAQ: CSIQ) is one of the most bankable solar companies worldwide. Dedicated customer support teams are staffed by technical support engineers and after-sale customer service representatives.

Automotive Industry ISO/TS 16949:2009 for quality management

ISO/TS 16949:2009 defines the quality management system requirements for the design and development, production and, when relevant, installation and service of automotive-related products in conjunction with ISO 9001:2008. Canadian Solar (CSI) is the first manufacturer in the PV industry certified for ISO:TS16949 (The automotive quality management system) in module production since 2003. CSI's ISO17025 qualified manufacturer owned testing lab fully complies to IEC, TUV, UL testing standards.

Canadian Solar All-Black Warranty

25 Year
Linear power output warranty

10 Year
Product warranty on materials and workmanship

All-Black - Engineered for Aesthetics and Reliability

high efficiency
Excellent panel efficiency
of 17.11%
shade tolerance
High performance at low irradiance
above 96.5%
positive power tolerance
Positive power tolerance of 0/+5 watts.
high PTC rating
High PTC Rating of 253.9 for higher rebates.
IP67 junction box
IP67 junction box ensures long-term weather endurance
heavy snow load
Rugged frame takes a heavy snow load up to 5400pa


359 quality control points
158 of Canadian Solar's 359 quality control points are for incoming materials, while 62 are for raw materials processes and the others for production control.

Electroluminescence testing
A 100% EL screen test to eliminate cell or module defects

Testing and analysis
Performance reliability, mechanical and chemical tests of raw materials and components

Machine testing
Advanced automatic equipment in testing and manufacturing process

Lab testing
Canadian Solar is the first module manufacturer-owned photovoltaic reliability testing laboratory to meet ISO/IEC 17025 standards

100% module visual inspection and clean before packing

Canadian Solar CS6K-280M Solar Panel Certifications

Management System Certificates
ISO 9001:2008 / Quality management system
ISO 14001:2004 / Standards for environmental management system
OHSAS 18001:2007 / International standards for occupational health and safety

Product Certificates
IEC 61215 / IEC 61730: VDE / CE / MCS / CEC AU
UL 1703 / IEC 61215 performance: CEC listed (US)
UL 1703: CSA

Contact Us

Toll-Free: (877) 297-0014

Large Canadian Solar Panel System
System design available.

No Longer Available