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Yingli Brand review

LF340P6-72

340 Wp N-type
ComparePV verdict

Middle of its segment, weak in heat

Rank 13,366 of 14,129
Compare panels Datasheet PDF
Power (Wp)
340
Weak · bottom 6%
Efficiency (%)
17.52
Weak · bottom 7%
Density (Wp/m²)
175.2
Weak · bottom 7%
Temp (%/°C)
-0.410
Weak · bottom 2%
Weight (kg)
22.0
Weak · bottom 12%
Warranty (yrs)
25
Weak · bottom 16%

The Yingli LF3x0P6-72 series is designed for installations where predictable module performance over many years and stable yields in typical Polish weather conditions are crucial. These are classic 72-cell panels that perform well in situations where compatibility with popular inverters and mounting systems, as well as easy installation on standard roof and ground-mounted structures, are important.

In comparison to many competing solutions, it stands out due to its thoughtful design for minimizing losses and ensuring durability - the laminates and high-sealing junction box help reduce the risk of problems in humid and dusty environments. From the investor's perspective, the positive power tolerance is also significant, which reduces the difference between the project and the actual performance of the installation. For installers, consistent parameters within the series and resistance to typical operating loads are important, which makes it easier to select strings and reduces complaints. It is a good choice for homes, businesses, and small farms where a reasonable balance between cost and reliability is desired.

Ranking

289 panels in the segment N-type 240-440 W
Metric This panel Median Position in segment Overall rank
Module efficiency 17.52% 21.50% Weak · bottom 7% 13,443
Power density 175.2 215.1 Weak · bottom 7% 13,427
Temperature coefficient -0.410 -0.300 Weak · bottom 2% 13,862
Weight per kWp 64.7 52.4 Weak · bottom 12% 13,115
Performance warranty 25 yrs 30 yrs Weak · bottom 16% 9,912
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Best for

Residential and commercial.

Not ideal for

Hot climates, tight roof space and roofs where every square metre has to count.

Watch-outs
-0.410 %/°C temperature coefficient

Bottom 2% of the N-type 240-440 W segment, against a median of -0.300. Ranked 13,862nd in the whole database.

17.52% module efficiency

Bottom 7% of the N-type 240-440 W segment, against a median of 21.50%. Ranked 13,443rd in the whole database.

175.2 watts per square metre

Bottom 7% of the N-type 240-440 W segment, against a median of 215.1. Ranked 13,427th in the whole database.

Notes from the database
  • Module efficiency of 17.5% is 2.0pp below average for N-type 0-400W panels (median: 19.5%)
  • Power density of 175.2 W/m² is 19.7 W/m² below N-type 0-400W median (194.9 W/m²) - needs more roof space
  • -0.41%/°C temperature coefficient - 0.09pp worse than N-type 0-400W median (-0.32%/°C), expect higher hot weather losses
  • #13443 for efficiency, #13862 for temperature performance out of 14129 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 340 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 17.52 % Weak Segment median 21.50%
Vmpp · Impp 38.73 V · 8.78 A Operating point at max power
Voc · Isc 45.73 V · 9.39 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1956×992×35 mm · 1.94 m² of roof
Weight 22.0 kg Weak Weak · bottom 12%
Cells 72 · N-type Monocrystalline
Coefficient Pmax -0.410 %/°C Weak bottom 2% of its segment
Coefficient Voc · Isc -0.320 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Weak bottom 16% · median 30 yrs
End-of-warranty output 80.0 % Equals 259 W guaranteed

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
-0.410 %/°C against a segment median of -0.300
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Yingli LF340P6-72 340 W 17.52% -0.410 22.0 kg You are here
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +5.8 pp
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +5.8 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +5.6 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +5.6 pp
GKA182M300W 300 W 23.00% - 16.2 kg Lighter, +5.5 pp, +5 yr warranty
GKA210M320W 320 W 23.00% - 16.2 kg Lighter, +5.5 pp, +5 yr warranty
GKA210M340W 340 W 23.00% - 16.2 kg Lighter, +5.5 pp, +5 yr warranty
GKA210M360W 360 W 23.00% - 16.2 kg Lighter, +5.5 pp, +5 yr warranty
GKA210M380W (1/4*4*38) 380 W 23.00% - 17.1 kg Lighter, +5.5 pp, +5 yr warranty
GKA210M380W (1/2*4*19) 380 W 23.00% - 17.1 kg Lighter, +5.5 pp, +5 yr warranty
LF320P6-72 320 W 16.49% -0.410 22.0 kg -20 W, -1.0 pp
LF325P6-72 325 W 16.75% -0.410 22.0 kg -15 W, -0.8 pp
LF330P6-72 330 W 17.01% -0.410 22.0 kg -10 W, -0.5 pp
LF335P6-72 335 W 17.26% -0.410 22.0 kg -0.3 pp
SPR-MAX7-475 475 W 24.00% -0.270 21.1 kg Cooler, +6.5 pp, +15 yr warranty
SPR-MAX7-470 470 W 23.70% -0.270 21.1 kg Cooler, +6.2 pp, +15 yr warranty

Found 148 panels of the same or similar size to this one, within ±10 mm. See them here Found 241 panels of the same or similar size to this one, within ±25 mm. See them here Found 360 panels of the same or similar size to this one, within ±50 mm. See them here Found 565 panels of the same or similar size to this one, within ±100 mm. See them here

About the LF3x0P6-72 series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

Are Yingli LF3x0P6-72 solar panels still available for purchase?
No, the LF3x0P6-72 series has been discontinued and is no longer part of Yingli's current product lineup. Units may still be found through distributors clearing existing stock or on the secondary market, but continuous supply for future system expansion cannot be guaranteed. For larger projects, it's best to secure enough panels from a single production batch upfront.
What warranty comes with the Yingli LF3x0P6-72 series?
The manufacturer provides a 12-year product warranty along with a 25-year linear power output warranty, standard coverage for a tier 1 panel. Even though the model is discontinued, warranty terms remain valid for panels already purchased and installed, provided purchase and installation documentation is complete.
How does the N-type cell technology in the LF3x0P6-72 differ from older P-type panels?
N-type cells used in the LF3x0P6-72 are less susceptible to light-induced degradation (LID) compared to conventional P-type cells, resulting in more stable energy yield during the first years of operation. This technology also typically handles high operating temperatures better, which matters during summer when panels heat up significantly on the roof.
Are the Yingli LF3x0P6-72 panels bifacial?
No, the LF3x0P6-72 series consists of monofacial modules, designed for standard mounting on rooftops and ground-mount structures without the extra clearance needed to capture reflected light from below. This makes for simpler design and installation compared to bifacial panels, though it doesn't add the extra energy gain from the rear side of the module.
What is the maximum power output of a panel in the LF3x0P6-72 series?
The flagship variant of this series reaches a maximum power of 340 Wp, a typical output for this generation of 72-cell modules with classic architecture. This power level works well for residential and commercial installations where inverter compatibility is a priority over maximizing output from a single panel.
Is it worth buying Yingli LF3x0P6-72 panels even though they're discontinued?
If available at a good price from a trusted distributor, they can be a sound choice for smaller installations or expanding an existing system built on the same model, since the warranty coverage remains valid. That said, check the production date and certifications, and for larger new projects, consider the manufacturer's current lineup to ensure future service and replacement part availability.
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