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Yingli Brand review

LF 555M10-72H

555 Wp PERC
ComparePV verdict

Efficiency leader, weak in heat

Rank 7,669 of 14,129
Compare panels Datasheet PDF
Power (Wp)
555
Typical for its class
Efficiency (%)
21.50
Strong · top 18%
Density (Wp/m²)
214.8
Typical · median 212.9
Temp (%/°C)
-0.354
Weak · bottom 9%
Weight (kg)
28.5
Typical · median 30.8 kg
Warranty (yrs)
25
Weak · bottom 24%

Yingli LF 555M10-72H modules represent a technologically advanced solution focused on maximizing energy yields from large industrial surfaces and ground-mounted farms. The use of M10 silicon cells in a half-cut architecture allows for the effective reduction of internal energy losses, which translates into higher module efficiency even under partial shading or in diffused light conditions. This series solves a key problem for investors - the need to optimize structural costs - by offering exceptionally high power density while maintaining standard mounting dimensions. The robust frame design and the use of high-transmittance tempered glass ensure above-average resistance to LID and LeTID degradation, guaranteeing the stability of electrical parameters throughout the entire life cycle of the installation. The product is dedicated to demanding commercial projects where a fast return on investment and failure-free operation in harsh weather conditions are paramount. It stands out from the competition due to its precise compatibility with modern high-current inverters, which simplifies system design and minimizes the risk of losses during the energy transmission stage. Thanks to an optimized temperature coefficient, these panels maintain high efficiency even on hot days, delivering significantly more kilowatt-hours than standard modules with similar nominal power.

Ranking

589 panels in the segment PERC 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.50% 21.29% Strong · top 18% 8,022
Power density 214.8 212.9 Typical 8,213
Temperature coefficient -0.354 -0.350 Weak · bottom 9% 12,365
Weight per kWp 51.4 52.7 Typical 4,736
Performance warranty 25 yrs 27 yrs Weak · bottom 24% 9,912
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 2 caution
Best for

Small roofs that need every watt.

Not ideal for

Hot climates and owners who want a long output guarantee.

Strengths
21.50% module efficiency

Top 18% of the PERC 550-600 W segment, against a median of 21.29%.

Watch-outs
-0.354 %/°C temperature coefficient

Bottom 9% of the PERC 550-600 W segment, against a median of -0.350. Ranked 12,365th in the whole database.

25 year performance warranty

Bottom 24% of the PERC 550-600 W segment, against a median of 27 yrs.

Notes from the database
  • Efficiency of 21.5% matches the PERC 550-600W median
  • Power density of 214.8 W/m² matches the PERC 550-600W median
  • Temperature coefficient of -0.35%/°C matches the PERC 550-600W median
  • At 28.5 kg, this panel is 2.3 kg lighter than PERC 550-600W median (30.8 kg) - easier handling during installation
  • #8022 for efficiency, #12365 for temperature performance out of 14129 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 555 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.50 % Strong Segment median 21.29%
Vmpp · Impp 42.31 V · 13.12 A Operating point at max power
Voc · Isc 50.53 V · 13.93 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2279×1134×35 mm · 2.58 m² of roof
Weight 28.5 kg Typical Typical · median 30.8 kg
Cells 144 · PERC Monocrystalline
Coefficient Pmax -0.354 %/°C Weak bottom 9% of its segment
Coefficient Voc · Isc -0.266 · 0.046 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Weak bottom 24% · median 27 yrs
End-of-warranty output 80.0 % Equals 424 W guaranteed
Degradation 3.00 → 0.71 % First year, then annual

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
-0.354 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Yingli LF 555M10-72H 555 W 21.50% -0.354 28.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +3.5 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, +3.3 pp, +5 yr warranty
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg -50 W, cooler, +3.2 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg -50 W, cooler, +3.2 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, +3.1 pp, +5 yr warranty
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg Cooler, lighter, +2.9 pp
YL530DF72 e/2 530 W 20.50% -0.350 32.0 kg Heavier, -1.0 pp, +5 yr warranty
YL535DF72 e/2 535 W 20.70% -0.350 32.0 kg Heavier, -0.8 pp, +5 yr warranty
LF535M10-72H 535 W 20.70% -0.354 28.5 kg -20 W, -0.8 pp
YL540DF72 e/2 540 W 20.90% -0.350 32.0 kg Heavier, -0.6 pp, +5 yr warranty
LF540M10-72H 540 W 20.90% -0.354 28.5 kg -15 W, -0.6 pp
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +95 W, cooler, +3.7 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +90 W, cooler, +3.5 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +85 W, cooler, +3.3 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +80 W, cooler, +3.1 pp
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg +75 W, cooler, +2.9 pp

Found 2327 panels of the same or similar size to this one, within ±10 mm. See them here Found 2369 panels of the same or similar size to this one, within ±25 mm. See them here Found 2383 panels of the same or similar size to this one, within ±50 mm. See them here Found 2543 panels of the same or similar size to this one, within ±100 mm. See them here

About the LF 555M10-72H series

6 answered

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

What warranty covers the Yingli LF 555M10-72H panels and what exactly does it include?
The manufacturer provides a 12-year product warranty against material and workmanship defects, plus a 25-year linear power output warranty. This means that after 25 years of operation the module should retain a significant share of its rated performance, giving investors confidence in stable energy yield throughout the lifetime of a commercial or ground-mount installation.
How does the half-cut M10 cell technology in the LF 555M10-72H differ from standard full-size cells?
Half-cut cells are cut in half, reducing resistive losses and the current flowing through the module. This allows the LF 555M10-72H to achieve higher efficiency, lower power loss under partial shading, and better resistance to microcracks. In practice, this translates into higher energy yield from the same roof or ground area.
Are Yingli LF 555M10-72H panels suitable for large ground-mount solar farms?
Yes, the LF 555M10-72H series is designed for commercial and utility-scale projects. The high 555 Wp power output in standard mounting dimensions reduces the number of modules, mounting structures, and cabling needed, lowering BoS costs and shortening the payback period on large ground-mounted installations.
How do LF 555M10-72H panels perform in high summer temperatures?
The module has an optimized power temperature coefficient, so it loses less efficiency as cell temperature rises compared to standard PERC panels. In practice, this means higher energy yield on hot days and in high-irradiance regions, where module surface temperature can exceed 60°C.
Is the Yingli LF 555M10-72H compatible with modern high-current inverters?
Yes, the panel's electrical parameters are matched to current generations of string and central inverters handling high input currents. This simplifies string design with fewer modules in series, reduces transmission losses, and streamlines component selection, especially for commercial and industrial projects.
Is Yingli a Tier 1 manufacturer, and is the LF 555M10-72H a reliable choice for a large investment?
Yingli is recognized as a Tier 1 manufacturer, meaning financial stability, in-house production lines, and inclusion in solar panel bankability rankings. Tier 1 status makes it easier to secure bank financing for commercial projects, as financial institutions are more willing to accept modules from manufacturers with a proven track record and production scale.
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