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Canadian Solar, CS6.2-48TM-450

Canadian Solar TOPHiKu6 450 W

N-type TOPCon panel at 450 W and 22.5% efficiency with a 25-year product warranty. The CS6.2-48TM series runs 435 to 470 W.

Power
450 W
Efficiency
22.5%
Temp. coefficient
-0.29%/°C
Performance warranty
30 yrs

Our read of the datasheet

The TOPHiKu6 CS6.2-48TM is a Canadian Solar TOPCon series for the Australian market, from 435 W to 470 W in the common 1762 x 1134 mm size. The 450 W bin reviewed here is 22.5% efficient, and the 470 W top bin reaches 23.5%.

Its 144-cell layout means higher voltage (44.8 V) and lower current (10.05 A) at maximum power than 108-cell panels. That suits inverters with lower MPPT current limits but allows fewer panels per string. The temperature coefficient is -0.29%/°C and power tolerance is -5 W to +10 W.

This Australian datasheet lists a 25-year product warranty and a 30-year linear power warranty, with no more than 1% loss in year one and 0.4% a year after. It is single glass (3.2 mm), weighs 21.3 kg and lists an ice ball test of 45 mm diameter.

We have not tested this panel. This summary follows from the manufacturer's published specifications, checked 23 September 2026.

Strengths

  • 25-year product warranty on the AU datasheet
  • Lower operating current (10.05 A) than 108-cell panels
  • Hail rating certified by the manufacturer with 45 mm ice balls

Things to check

  • Power tolerance of -5 W to +10 W
  • Higher string voltage means fewer panels per string

Specifications

Power
450 W
Module efficiency
22.5%
Cell type
N-type TOPCon, 144 cells, single glass
Temperature coefficient
-0.29% per °C
Product warranty
25 years
Performance warranty
30 years
Output at end of warranty
No more than 1% loss in year 1, then no more than 0.4% a year
Dimensions
1762 x 1134 x 30 mm
Weight
21.3 kg
Manufacturer datasheet

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