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JT720SLkB vs CETC-445TR(GDF)/96 4 of 18 identical Swap Change panels

Haitai Solar JT720SLkB vs Haitai Solar CETC-445TR(GDF)/96

Haitai Solar JT720SLkB
Haitai Solar
JT720SLkB
720 Wp 23.20 % HJT Bifacial Incomplete
Open panel page Datasheet PDF
VS
Haitai Solar
CETC-445TR(GDF)/96
445 Wp 22.27 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

JT720SLkB leads on the differences that matter

The largest is module efficiency: 0.93 pp more efficient. 4 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 14 differences
How alike are they
4 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

14 of 18 parameters
Parameter JT720SLkB CETC-445TR(GDF)/96 Difference
Module efficiency 23.20 % 22.27 % 0.93 pp more efficient
Temperature coefficient -0.240 %/°C -0.300 %/°C 0.060 %/°C better in heat
Rated power 720 Wp 445 Wp 275 W more power
Power density 231.8 Wp/m² 222.7 Wp/m² 9.1 Wp/m² higher
Weight 37.3 kg 23.9 kg 13.4 kg lighter
Product warranty 15 yrs 12 yrs 3 yrs longer
Open-circuit voltage 50.60 V 34.67 V 15.93 V apart
Module area 3.106 m² 1.998 m² 1.108 m² apart
Short-circuit current 17.67 A 16.17 A 1.50 A apart
Cell technology HJT TOPCon HJT vs TOPCon
Voltage at max power 42.70 V 29.03 V 13.67 V apart
Cell count 132 96 36 cells apart
Current at max power 16.87 A 15.33 A 1.54 A apart
Dimensions 2384x1303x33 mm 1762x1134x30 mm 2384x1303x33 mm vs 1762x1134x30 mm
02

What it means on a roof

Thirty years of production
Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year
JT720SLkB
24,157 kWh
CETC-445TR(GDF)/96
14,931 kWh
Lifetime gap
9,226 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JT720SLkB CETC-445TR(GDF)/96
Standard test conditions 25 °C 100.0% of rated power 720 W 445 W
Cool, bright day 40 °C 95.5% of rated power 694 W 425 W
Typical summer roof 55 °C 91.0% of rated power 668 W 405 W
Hot roof 70 °C 86.5% of rated power 642 W 385 W
03

Full specification

Parameter JT720SLkB CETC-445TR(GDF)/96 Difference
Power and efficiency
Rated power 720 Wp 445 Wp +275 W for JT720SLkB
Module efficiency 23.20 % 22.27 % +0.93 pp for JT720SLkB
Power density 231.8 Wp/m² 222.7 Wp/m² +9.1 Wp/m² for JT720SLkB
Open-circuit voltage 50.60 V 34.67 V 15.93 V apart
Voltage at max power 42.70 V 29.03 V 13.67 V apart
Short-circuit current 17.67 A 16.17 A 1.50 A apart
Current at max power 16.87 A 15.33 A 1.54 A apart
Temperature
Temperature coefficient -0.240 %/°C -0.300 %/°C +0.060 %/°C for JT720SLkB
Mechanical
Dimensions 2384x1303x33 mm 1762x1134x30 mm 2384x1303x33 mm vs 1762x1134x30 mm
Module area 3.106 m² 1.998 m² 1.108 m² apart
Weight 37.3 kg 23.9 kg -13.4 kg for CETC-445TR(GDF)/96
Weight per kWp 51.8 kg/kWp 53.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 12 yrs +3 yrs for JT720SLkB
Performance warranty 30 yrs 30 yrs Same
Annual degradation - 0.40 %/yr Not published by Haitai Solar
Technology
Cell technology HJT TOPCon HJT vs TOPCon
Cell type Monocrystalline Monocrystalline Same
Cell count 132 96 36 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#1,349 vs #5,544
JT720SLkB leads by 4,195 places
Power density
#1,390 vs #5,365
JT720SLkB leads by 3,975 places
Heat behaviour
#13 vs #6,152
JT720SLkB leads by 6,139 places
Weight
#5,201 vs #7,799
JT720SLkB leads by 2,598 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#334 vs #9,522
JT720SLkB leads by 9,188 places
05

More useful comparisons

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4 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Haitai Solar JT720SLkB or Haitai Solar CETC-445TR(GDF)/96?
According to our database: Haitai Solar JT720SLkB has higher module efficiency (23.20% vs 22.27%); Haitai Solar JT720SLkB tolerates heat better (temp coeff -0.240%/°C vs -0.300%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Haitai Solar JT720SLkB and Haitai Solar CETC-445TR(GDF)/96?
Haitai Solar JT720SLkB has a module efficiency of 23.20%, while Haitai Solar CETC-445TR(GDF)/96 is 22.27%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Haitai Solar JT720SLkB use vs Haitai Solar CETC-445TR(GDF)/96?
Haitai Solar JT720SLkB uses HJT cells; Haitai Solar CETC-445TR(GDF)/96 uses TOPCon. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.
What is the warranty on Haitai Solar JT720SLkB and Haitai Solar CETC-445TR(GDF)/96?
Haitai Solar JT720SLkB has a 30 years power warranty; Haitai Solar CETC-445TR(GDF)/96 has a 30 years power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80-87%). Product (materials) warranties are usually shorter.
Are Haitai Solar JT720SLkB and Haitai Solar CETC-445TR(GDF)/96 bifacial panels?
Both Haitai Solar JT720SLkB and Haitai Solar CETC-445TR(GDF)/96 are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.