Skip to main content
JA Solar JAT60S41-520/LR
JA Solar Brand review

JAT60S41-520/LR

520 Wp N-type
ComparePV verdict

Strong in heat, no clear weak spot

Rank 2,566 of 14,005
Compare panels Datasheet PDF
Power (Wp)
520
Typical for its class
Efficiency (%)
23.50
Strong · top 12%
Density (Wp/m²)
234.8
Strong · top 12%
Temp (%/°C)
-0.260
Strong · top 8%
Weight (kg)
23.5
Strong · 2.7 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

The JA Solar JAT60S41 LR series was designed for maximum yield from the same roof or ground surface area - these are high-efficiency modules based on N-type cells in TOPCon architecture. In practice, this means better performance at high temperatures and more predictable yields during the summer season, when many installations lose power. The cell-bonded construction improves panel performance under partial shading (e.g., chimneys, antennas, trees), making power drops less impactful for the entire string. Additionally, TOPCon helps minimize typical degradation phenomena, translating to more stable long-term production and quieter installation operation. This is an excellent choice for investors who want more power from fewer modules - whether in modern home micro-installations or commercial projects, where every square meter counts, and performance under variable weather conditions is key.

Ranking

140 panels in the segment N-type 500-550 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.50% 22.54% Strong · top 12% 716
Power density 234.8 225.3 Strong · top 12% 851
Temperature coefficient -0.260 -0.290 Strong · top 8% 511
Weight per kWp 45.2 50.0 Strong · top 13% 635
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

8 positive · 1 caution
Best for

Residential, commercial, shaded-installations and hot-climate.

Strengths
-0.260 %/°C temperature coefficient

Top 8% of the N-type 500-550 W segment, against a median of -0.290. Ranked 511th in the whole database.

23.50% module efficiency

Top 12% of the N-type 500-550 W segment, against a median of 22.54%.

234.8 watts per square metre

Top 12% of the N-type 500-550 W segment, against a median of 225.3.

What owners get
22.8–23.9% efficiency — top of segment

Peak module efficiency of 23.9% matches the Huasun Everest G12R (23.9%) and outperforms both the Lu'an Solar MO series (22.32%) and Gamko GKA108N-PRO (23.85%). Higher efficiency translates directly to more kWp per unit of roof or ground area without increasing module count.

N-type TOPCon — low LID degradation

N-type TOPCon cells exhibit LID below 1% in year one and linear degradation ≤0.4%/yr, lower than typical PERC modules (~0.55%/yr). This guarantees retention of ≥87.4% of rated power output after 30 years of operation.

Half-cut cells — reduced partial shading losses

The half-cut cell architecture limits current mismatch losses under partial shading (chimneys, antennas, trees) and prevents full string shutdown. Six power variants (505–530 Wp) simplify array-level design optimization without respecifying MPPT trackers.

30-year linear power warranty

JA Solar guarantees ≥87.4% of rated power after 30 years at ≤0.4%/yr linear degradation, backed by a 25-year product warranty. The market standard for PERC modules is typically a 25-year linear and 10–15-year product warranty; the extended terms improve LCOE modeling for commercial and C&I projects.

JA Solar BNEF Tier-1 — bankable manufacturer

JA Solar (est. 2005) holds BNEF Tier-1 bankable manufacturer status (methodology updated March 2026) and belongs to the group of global producers exceeding 80 GW/yr of module capacity. This underpins non-recourse project financing eligibility and ensures long-term replacement module availability throughout the warranty horizon.

Trade-offs
Monofacial only — no bifacial variant

The JAT60S41 LR series does not include a bifacial variant (is_bifacial: false). For ground-mount installations with high-albedo surfaces (albedo >20%), bifacial modules can yield 5–15% additional annual energy gain. Projects requiring bifacial output must be respecified using a separate JA Solar series (e.g., JAM60D41 LR dual-glass bifacial).

Notes from the database
  • 23.5% module efficiency - 1.0pp better than the N-type 500-550W median of 22.5%
  • 234.8 W/m² power density - 9.5 W/m² more than N-type 500-550W median (225.3 W/m²), more power per roof area
  • Temperature coefficient of -0.26%/°C vs median -0.29%/°C means ~1% less power loss at 65°C
  • Weight of 23.5 kg (2.7 kg below N-type 500-550W median of 26.2 kg) allows easier transport and roof mounting
  • #716 for efficiency, #511 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 520 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.50 % Strong Segment median 22.54%
Vmpp · Impp 38.67 V · 13.45 A Operating point at max power
Voc · Isc 45.54 V · 14.78 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1953×1134×30 mm · 2.21 m² of roof
Weight 23.5 kg Strong Strong · 2.7 kg below median
Cells 120 · N-type Monocrystalline
Coefficient Pmax -0.260 %/°C Strong top 8% of its segment
Coefficient Voc · Isc -0.220 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 88.8 % Equals 462 W guaranteed
Degradation 1.00 → 0.35 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by JA Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 520 Wp appear here. The rest cover the whole series.

30-year Linear Performance Warranty 30-year Linear Performance Warranty Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.260 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
JA Solar JAT60S41-520/LR 520 W 23.50% -0.260 23.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg -10 W, cooler, +1.5 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg -25 W, lighter, +1.3 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +40 W, heavier, +1.3 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg -15 W, cooler, +1.2 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +35 W, heavier, +1.1 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg -30 W, lighter, +1.0 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg -20 W, cooler, +1.0 pp
JAM60D41 485/LB 485 W 21.90% -0.290 27.3 kg -35 W, heavier, -1.6 pp
JAM60D41 490/LB 490 W 22.10% -0.290 27.3 kg -30 W, heavier, -1.4 pp
JAM60D41 495/LB 495 W 22.40% -0.290 27.3 kg Hotter, heavier, -1.1 pp
JAM60S40-500/LR 500 W 22.60% -0.290 24.3 kg -20 W, hotter, -0.9 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg +30 W, lighter, +0.9 pp
JAT60S40-540/LR 540 W 24.40% -0.260 23.5 kg +20 W, +0.9 pp
GK-5-60HG-540M 540 W 24.40% -0.260 23.3 kg +20 W, +0.9 pp
JKM545-54QL6-DV-F1-EU 545 W 24.27% -0.260 27.5 kg +25 W, heavier, +0.8 pp
LR7-60HVH-545M 545 W 24.20% -0.260 25.0 kg +25 W, heavier, +0.7 pp

Found 488 panels of the same or similar size to this one, within ±10 mm. See them here Found 507 panels of the same or similar size to this one, within ±25 mm. See them here Found 1260 panels of the same or similar size to this one, within ±50 mm. See them here Found 1469 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty does the JA Solar JAT60S41 LR series come with?
The JA Solar JAT60S41 LR series includes a 25-year product warranty covering material and workmanship defects, along with a 30-year power output warranty. This is among the most comprehensive warranty packages available in the residential and commercial PV market. The 30-year linear power guarantee protects against excessive degradation and gives system owners reliable output projections over the full operational lifetime of the installation.
What is TOPCon technology and why does it matter in the JAT60S41 LR panels?
TOPCon (Tunnel Oxide Passivated Contact) is an advanced N-type cell architecture that minimizes electron recombination losses at the cell surface. In practice, the JAT60S41 LR achieves module efficiency in the 22.8–23.9% range, significantly outperforming older PERC modules. N-type cells also exhibit a lower temperature coefficient, which translates to reduced power losses on hot days and slower long-term degradation compared to P-type technologies.
Are the JA Solar JAT60S41 LR panels suitable for a roof partially shaded by a chimney or antenna?
Yes. The JAT60S41 LR series uses half-cut cell technology, which limits the impact of partial shading on the entire string. When shade falls on a portion of the module, power losses are confined to that isolated cell section rather than affecting the full string output. This makes the series a practical choice for rooftops with chimneys, antennas, or nearby trees, where conventional full-cell modules would suffer considerably greater energy losses.
How do the JAT60S41 LR modules perform in high summer temperatures?
The N-type cells used in the JAT60S41 LR series have a lower temperature coefficient than conventional P-type PERC cells. At typical operating cell temperatures of 45–65°C during summer, power losses are smaller compared to older technologies. This results in higher seasonal energy yields and more predictable LCOE calculations, which is a significant advantage when evaluating the financial return of a PV investment in warm climates.
Is JA Solar a reliable manufacturer, and is the JAT60S41 LR series still available?
JA Solar holds Tier 1 bankability status according to leading industry rankings, reflecting strong financial standing and a long-established global market presence. The company is headquartered in China and distributes modules worldwide through a broad network of certified partners. The JAT60S41 LR series is currently active and has not been discontinued, making it straightforward to source additional modules for system expansions.
What is the rated peak power of the JAT60S41 LR module, and how many panels does a typical home need?
The JA Solar JAT60S41 LR has a rated peak power of 530 Wp. A typical residential system sized between 6 and 10 kWp requires approximately 12 to 19 panels from this series. The module's efficiency of over 22% means the required system power can be achieved using less roof area than older-generation panels, which is a key advantage on rooftops with limited or irregularly shaped surfaces.
Add to compare