JA Solar JAT54S40-465/LR vs JA Solar JAT54S40-470/LR
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 (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
465/LR
15,238 kWh
470/LR
15,401 kWh
Lifetime gap
163 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
465/LR
470/LR
Standard test conditions
25 °C
100.0% of rated power
465 W
470 W
Cool, bright day
40 °C
96.1% of rated power
447 W
452 W
Typical summer roof
55 °C
92.2% of rated power
429 W
433 W
Hot roof
70 °C
88.3% of rated power
411 W
415 W
03
Full specification
Parameter
465/LR
470/LR
Difference
Power and efficiency
Rated power
465 Wp
470 Wp
Effectively the same
Module efficiency
23.50 %
23.50 %
Same
Power density
232.7 Wp/m²
235.2 Wp/m²
Effectively the same
Open-circuit voltage
40.88 V
40.96 V
Effectively the same
Voltage at max power
34.61 V
34.74 V
Effectively the same
Short-circuit current
14.78 A
14.84 A
Effectively the same
Current at max power
13.45 A
13.54 A
Effectively the same
Temperature
Temperature coefficient
-0.260 %/°C
-0.260 %/°C
Same
Mechanical
Dimensions
1762x1134x30 mm
1762x1134x30 mm
Same
Module area
1.998 m²
1.998 m²
Same
Weight
19.3 kg
19.3 kg
Same
Weight per kWp
41.5 kg/kWp
41.1 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
15 yrs
15 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.55 %/yr
0.55 %/yr
Same
Technology
Cell technology
TOPCon
TOPCon
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
108
108
Same
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#716
vs
#716
Tied - the same position in the database
Power density
#1,115
vs
#674
470/LR leads by 441 places
Heat behaviour
#511
vs
#511
Tied - the same position in the database
Weight
#180
vs
#170
470/LR leads by 10 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#6,379
vs
#6,147
470/LR leads by 232 places
05
Open the full database
More useful comparisons
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JA Solar JAT54S40-465/LR vs JA Solar JAT54S40-485/LR
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JA Solar JAT54S40-465/LR vs JA Solar JAT54S40-480/LR
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JA Solar JAT54S40-465/LR vs JA Solar JAT54S41-480/LR
5 differences, the largest is module efficiency
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JA Solar JAT54S40-465/LR vs JA Solar JAT54S40-475/LR
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Same series, other bin
JA Solar JAT54S40-465/LR vs JA Solar JAT54S41-475/LR
5 differences, the largest is annual degradation
Same series, other bin
JA Solar JAT54S40-465/LR vs JA Solar JAT54S41-470/LR
2 differences, the largest is annual degradation
06
Written summary
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07
Questions about this pairing
Which panel is better: JA Solar JAT54S40-465/LR or JA Solar JAT54S40-470/LR?
According to our database: both panels are closely matched on key specs - the decision often comes down to price and local availability. See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of JA Solar JAT54S40-465/LR and JA Solar JAT54S40-470/LR?
JA Solar JAT54S40-465/LR has a module efficiency of 23.50%, while JA Solar JAT54S40-470/LR is 23.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does JA Solar JAT54S40-465/LR use vs JA Solar JAT54S40-470/LR?
JA Solar JAT54S40-465/LR uses TOPCon cells; JA Solar JAT54S40-470/LR 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 JA Solar JAT54S40-465/LR and JA Solar JAT54S40-470/LR?
JA Solar JAT54S40-465/LR has a 30 years power warranty; JA Solar JAT54S40-470/LR 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.
Shop prices: See 340 JA Solar 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.