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Jinko Solar JKM640N-66HL4M-BDV-Z4-EU

JKM640N-66HL4M-BDV-Z4-EU

640 Wp TOPCon Bifacial 80%
ComparePV verdict

Space saver, no clear weak spot

Rank 1,530 of 14,005
Compare panels Datasheet PDF
Power (Wp)
640
Strong · top 9%
Efficiency (%)
23.69
Strong · top 5%
Density (Wp/m²)
236.9
Strong · top 4%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
32.4
Strong · top 22%
Warranty (yrs)
30
Typical · median 30 yrs

Tiger Neo is a flagship photovoltaic module lineup built on N-Type TOPCon cells, which replace the older PERC technology and meaningfully reduce power degradation over time. The series was designed for investors who expect not just high energy yield, but predictable, stable system performance over decades, regardless of weather conditions. Using N-type cells instead of conventional P-type translates into low power degradation starting from the very first year of operation, along with reduced sensitivity to microcracks and the PID effect, directly lowering the levelized cost of energy (LCOE) over the system's lifetime. The panels are available in a bifacial configuration, allowing them to capture light reflected off the ground and increase total energy yield without requiring additional roof space. A reinforced frame and tempered glass provide high mechanical durability against snow and wind loads, while a low temperature coefficient keeps the modules performing well even on hot summer days. Tiger Neo is built for residential, commercial, and utility-scale installations where long-term profitability matters more than a single nameplate power figure.

Ranking

1,086 panels in the segment TOPCon 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.69% 22.80% Strong · top 5% 580
Power density 236.9 227.7 Strong · top 4% 521
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 50.6 53.1 Strong · top 22% 4,069
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 · 2 caution
Best for

Residential, commercial and utility-scale.

Strengths
236.9 watts per square metre

Top 4% of the TOPCon 600-650 W segment, against a median of 227.7. Ranked 521st in the whole database.

23.69% module efficiency

Top 5% of the TOPCon 600-650 W segment, against a median of 22.80%. Ranked 580th in the whole database.

50.6 kg per kWp

Top 22% of the TOPCon 600-650 W segment, against a median of 53.1.

What owners get
N-type TOPCon cells with low degradation

The manufacturer guarantees ≤1% power loss in year one and a max. 0.4% annual linear degradation for years 2-30, matching the current benchmark for high-quality N-type cells and clearly outperforming typical PERC modules, which suffer 2-3% first-year LID degradation.

High efficiency versus peer comparables

Peak efficiency of 24.06% exceeds comparable 735 Wp TOPCon modules from Suntech (Ultra T 2.0, 23.7%), Resun Solar (RS9H-M, 23.66%), and Astronergy (ASTRO N8, 23.7%), yielding more energy from the same roof footprint.

30-year linear power warranty at 87.4%

The linear power warranty guarantees a minimum of 87.4% of rated output after 30 years - longer than the standard 25-year power warranty offered by most PERC and many TOPCon competitors.

Low temperature coefficient

A temperature coefficient of around -0.29%/°C (versus a typical -0.34%/°C for PERC) delivers a 2-3% higher energy yield in hot climates, relevant for installations facing peak summer conditions.

Bifacial option and Tier-1/bankable status

The bifacial variant increases energy yield without a larger roof footprint, and JinkoSolar has maintained BNEF Tier-1 status for consecutive quarters, easing project financing through banks and lease providers.

Trade-offs
Shorter product warranty than some competitors

The 12-year product warranty is notably shorter than offerings from some Tier-1 competitors, e.g. Qcells (25 years) or Trina's Vertex S+ (25 years), which can be a meaningful factor when comparing total service-risk cost.

No longer Jinko's technological flagship

Jinko has already released newer generations - Tiger Neo 3.0 and Tiger Neo 5.0, featuring 700W+ modules with up to 25.91% efficiency - meaning this series (605-735 Wp, up to 24.06%) now trails the manufacturer's own latest offerings in efficiency and unit power.

Notes from the database
  • 23.7% module efficiency - 0.9pp better than the TOPCon 600-650W median of 22.8%
  • At 236.9 W/m² power density, this panel generates 9.2 W/m² more per unit area than TOPCon 600-650W median (227.7 W/m²)
  • At -0.29%/°C, hot weather performance is typical for TOPCon 600-650W panels
  • Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof
  • #580 for efficiency, #2165 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 640 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.69 % Strong Segment median 22.80%
Vmpp · Impp 41.30 V · 15.50 A Operating point at max power
Voc · Isc 49.88 V · 16.32 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2382×1134×30 mm · 2.70 m² of roof
Weight 32.4 kg Strong Strong · top 22%
Cells 132 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 559 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Jinko Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 640 Wp appear here. The rest cover the 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
-
With bifacial gain
-

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

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Jinko Solar JKM640N-66HL4M-BDV-Z4-EU 640 W 23.69% -0.290 32.4 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg Cooler, lighter, +1.5 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +40 W, lighter, +1.5 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +35 W, lighter, +1.3 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg Cooler, lighter, +1.3 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +30 W, lighter, +1.1 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg +30 W, lighter, +1.1 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg Cooler, lighter, +1.1 pp
JKM605-630N-66HL4M-BDV-F3-EN (605W column) 605 W 22.40% -0.290 32.4 kg -35 W, -1.3 pp
JKM605-630N-66HL4M-BDV-F3-EN (610W column) 610 W 22.58% -0.290 32.4 kg -30 W, -1.1 pp
JKM605-630N-66HL4M-BDV-F3-EN (615W column) 615 W 22.77% -0.290 32.4 kg -25 W, -0.9 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +60 W, cooler, +1.3 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg +55 W, cooler, +1.2 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg +30 W, cooler, +1.1 pp

Found 1119 panels of the same or similar size to this one, within ±10 mm. See them here Found 1125 panels of the same or similar size to this one, within ±25 mm. See them here Found 1236 panels of the same or similar size to this one, within ±50 mm. See them here Found 1917 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is the maximum power output of Jinko Solar Tiger Neo panels?
The most powerful variants of the Tiger Neo series reach up to 735 Wp thanks to high-efficiency N-Type TOPCon cells. This is among the highest output values currently available on the market, allowing more energy to be generated with fewer panels and reducing the roof area needed for an installation.
How does TOPCon technology in Tiger Neo differ from older PERC panels?
The N-Type TOPCon cells used in Tiger Neo offer higher efficiency and significantly lower power degradation over time compared to traditional P-Type PERC cells. They are also less prone to microcracks and PID effect. In practice, this means higher and more stable energy yield throughout the system's lifetime.
What warranty comes with Tiger Neo panels?
Jinko Solar provides a 12-year product warranty and a 30-year power performance warranty for the Tiger Neo series. This exceeds the standard 10/25-year terms offered by many manufacturers, reflecting the lower degradation rate of N-Type cells and providing greater long-term investment security.
Are bifacial Tiger Neo panels worth it for a residential roof?
The bifacial variant of Tiger Neo captures light reflected off the ground, boosting energy yield, but the effect is most noticeable with bright surfaces, elevated mounting, or ground-mounted arrays. On typical sloped roofs with dark roofing material, the extra gain can be minimal, so it's worth consulting an installer about your specific roof.
Is Jinko Solar a tier 1 manufacturer that can be trusted for such a large investment?
Yes, Jinko Solar is a global tier 1 manufacturer, one of the largest solar module suppliers in the world, headquartered in China. Tier 1 status indicates financial stability, in-house production lines, and years of experience, reducing the risk of warranty issues down the road.
Do Tiger Neo panels perform well in high summer temperatures?
Yes, Tiger Neo modules have a low power temperature coefficient, so they lose less efficiency in heat than older PERC-based designs. Combined with TOPCon technology, this helps maintain strong energy yield even on hot, sunny days when rooftop panels heat up significantly.
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