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JAM60D41 510/LB vs JAM60D41-510/LB 19 of 19 identical Swap Change panels

JA Solar JAM60D41 510/LB vs JA Solar JAM60D41-510/LB

JA Solar JAM60D41 510/LB
JAM60D41 510/LB
510 Wp 23.00 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
JAM60D41-510/LB
510 Wp 23.00 % TOPCon Bifacial
Open panel page Datasheet PDF
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
identical differs
01

What actually differs

0 of 19 parameters

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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
JAM60D41 510/LB
17,112 kWh
JAM60D41-510/LB
17,112 kWh
Lifetime gap
No difference
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JAM60D41 510/LB JAM60D41-510/LB
Standard test conditions 25 °C 100.0% of rated power 510 W 510 W
Cool, bright day 40 °C 95.7% of rated power 488 W 488 W
Typical summer roof 55 °C 91.3% of rated power 466 W 466 W
Hot roof 70 °C 87.0% of rated power 443 W 443 W
03

Full specification

Parameter JAM60D41 510/LB JAM60D41-510/LB Difference
Power and efficiency
Rated power 510 Wp 510 Wp Same
Module efficiency 23.00 % 23.00 % Same
Power density 230.3 Wp/m² 230.3 Wp/m² Same
Open-circuit voltage 44.25 V 44.25 V Same
Voltage at max power 37.31 V 37.31 V Same
Short-circuit current 14.54 A 14.54 A Same
Current at max power 13.67 A 13.67 A Same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1953x1134x30 mm 1953x1134x30 mm Same
Module area 2.215 m² 2.215 m² Same
Weight 27.3 kg 27.3 kg Same
Weight per kWp 53.5 kg/kWp 53.5 kg/kWp Same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 120 120 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,919 vs #1,919
Tied - the same position in the database
Power density
#1,849 vs #1,849
Tied - the same position in the database
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#7,509 vs #7,509
Tied - the same position in the database
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#6,280 vs #6,280
Tied - the same position in the database
05

More useful comparisons

Open the full database
Same series, other bin
JA Solar JAM60D41 510/LB vs JA Solar JAM60D42-545/LB
7 differences, the largest is rated power
Same series, other bin
JA Solar JAM60D41 510/LB vs JA Solar JAM60D42-540/LB
6 differences, the largest is rated power
Same series, other bin
JA Solar JAM60D41 510/LB vs JA Solar JAM60D42-535/LB
6 differences, the largest is rated power
Same series, other bin
JA Solar JAM60D41 510/LB vs JA Solar JAM60D42-530/LB
8 differences, the largest is rated power
Same series, other bin
JA Solar JAM60D41 510/LB vs JA Solar JAM60D42-525/LB
8 differences, the largest is module efficiency
Same series, other bin
JA Solar JAM60D41 510/LB vs JA Solar JAM60D42-520/LB
8 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: JA Solar JAM60D41 510/LB or JA Solar JAM60D41-510/LB?
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 JAM60D41 510/LB and JA Solar JAM60D41-510/LB?
JA Solar JAM60D41 510/LB has a module efficiency of 23.00%, while JA Solar JAM60D41-510/LB is 23.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does JA Solar JAM60D41 510/LB use vs JA Solar JAM60D41-510/LB?
JA Solar JAM60D41 510/LB uses TOPCon cells; JA Solar JAM60D41-510/LB 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 JAM60D41 510/LB and JA Solar JAM60D41-510/LB?
JA Solar JAM60D41 510/LB has a 30 years power warranty; JA Solar JAM60D41-510/LB 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 JA Solar JAM60D41 510/LB and JA Solar JAM60D41-510/LB bifacial panels?
Both JA Solar JAM60D41 510/LB and JA Solar JAM60D41-510/LB 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 341 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.