Jetion JT750SLk(B) vs Jetion JT745SLk(B)
VS
The verdict
Identical on every published parameter
All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.
How alike are they
19
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
0 of 19 parameters
What actually differs
Every comparable parameter agrees. The full specification is below.
02
What it means on a roof
Thirty years of production
Each panel's own declared degradation curve, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.240 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
JT750SLk(B)
25,556 kWh
JT745SLk(B)
25,385 kWh
Lifetime gap
171 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
JT750SLk(B)
JT745SLk(B)
Standard test conditions
25 °C
100.0% of rated power
750 W
745 W
Cool, bright day
40 °C
96.4% of rated power
723 W
718 W
Typical summer roof
55 °C
92.8% of rated power
696 W
691 W
Hot roof
70 °C
89.2% of rated power
669 W
665 W
03
Full specification
Parameter
JT750SLk(B)
JT745SLk(B)
Difference
Power and efficiency
Rated power
750 Wp
745 Wp
Effectively the same
Module efficiency
24.10 %
24.00 %
Effectively the same
Power density
241.4 Wp/m²
239.8 Wp/m²
Effectively the same
Open-circuit voltage
50.70 V
50.65 V
Effectively the same
Voltage at max power
42.72 V
42.68 V
Effectively the same
Short-circuit current
18.71 A
18.62 A
Effectively the same
Current at max power
17.56 A
17.46 A
Effectively the same
Temperature
Temperature coefficient
-0.240 %/°C
-0.240 %/°C
Same
Mechanical
Dimensions
2384x1303x33 mm
2384x1303x33 mm
Same
Module area
3.106 m²
3.106 m²
Same
Weight
36.4 kg
36.4 kg
Same
Weight per kWp
48.5 kg/kWp
48.9 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
15 yrs
15 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.30 %/yr
0.30 %/yr
Same
Technology
Cell technology
HJT
HJT
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
132
132
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#219
vs
#303
JT750SLk(B) leads by 84 places
Power density
#219
vs
#339
JT750SLk(B) leads by 120 places
Heat behaviour
#13
vs
#13
Tied - the same position in the database
Weight
#2,337
vs
#2,534
JT750SLk(B) leads by 197 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#72
vs
#97
JT750SLk(B) leads by 25 places
05
Open the full database
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06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Jetion JT750SLk(B) or Jetion JT745SLk(B)?
According to our database: Jetion JT750SLk(B) has higher module efficiency (24.10% vs 24.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jetion JT750SLk(B) and Jetion JT745SLk(B)?
Jetion JT750SLk(B) has a module efficiency of 24.10%, while Jetion JT745SLk(B) is 24.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jetion JT750SLk(B) use vs Jetion JT745SLk(B)?
Jetion JT750SLk(B) uses HJT cells; Jetion JT745SLk(B) uses HJT. 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 Jetion JT750SLk(B) and Jetion JT745SLk(B)?
Jetion JT750SLk(B) has a 30 years power warranty; Jetion JT745SLk(B) 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 Jetion JT750SLk(B) and Jetion JT745SLk(B) bifacial panels?
Both Jetion JT750SLk(B) and Jetion JT745SLk(B) 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.
Shop prices: See 2 Jetion offers
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.