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Tongwei Brand review

TW410MAP-108-H-F

410 Wp PERC
ComparePV verdict

Light for its output, no clear weak spot

Rank 11,380 of 14,129
Compare panels Datasheet PDF
Power (Wp)
410
Typical for its class
Efficiency (%)
21.00
Strong · top 23%
Density (Wp/m²)
210.0
Strong · top 24%
Temp (%/°C)
-0.340
Strong · top 24%
Weight (kg)
20.5
Strong · 1.5 kg below median
Warranty (yrs)
25
Typical · median 25 yrs

The Tongwei TW400-420MAP M10-108-H-F module series is an advanced Full-black solution that combines top-tier aesthetics with modern silicon cell technology. Thanks to the use of a Half-cell (half-cut cells) design, these panels perform significantly better in partial shading conditions, which is crucial for the complex roofs of single-family homes in Poland. The use of MBB (Multi Busbar) technology allows for a significant shortening of the current flow path, which effectively reduces internal resistance and minimizes the risk of harmful micro-cracks in the module structure. This is an ideal choice for investors who do not want to choose between an elegant, completely black appearance and high energy efficiency. The precise M10 wafer format optimizes power density, allowing the installation to take up less space while generating stable yields even on hot days. They are distinguished from the competition by exceptional quality control resulting from the full vertical integration of the production process, which translates into low LID degradation and high resistance to extreme mechanical loads such as snow or wind. By choosing these modules, the user gains a durable and safe system that maintains its parameters for decades, while serving as a visual decoration for a modern building. All structural components have been designed to maximize the lifespan of the installation while maintaining an excellent price-to-quality ratio.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.00% 20.60% Strong · top 23% 9,828
Power density 210.0 206.2 Strong · top 24% 9,843
Temperature coefficient -0.340 -0.350 Strong · top 24% 8,846
Weight per kWp 50.0 53.0 Strong · top 17% 3,329
Performance warranty 25 yrs 25 yrs Typical 9,912
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

3 positive · 0 caution
Best for

Residential and shaded-installations.

Strengths
50.0 kg per kWp

Top 17% of the PERC 400-450 W segment, against a median of 53.0.

21.00% module efficiency

Top 23% of the PERC 400-450 W segment, against a median of 20.60%.

210.0 watts per square metre

Top 24% of the PERC 400-450 W segment, against a median of 206.2.

Notes from the database
  • At 21.0% efficiency, this panel is on par with typical PERC 400-450W modules
  • Power density of 210.0 W/m² packs 3.8 W/m² more into the same footprint vs PERC 400-450W median (206.2 W/m²)
  • At -0.34%/°C, hot weather performance is typical for PERC 400-450W panels
  • 20.5 kg weight - 1.5 kg lighter than PERC 400-450W median (22.0 kg), reducing installation effort
  • In the top 70% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 410 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.00 % Strong Segment median 20.60%
Vmpp · Impp 30.88 V · 13.28 A Operating point at max power
Voc · Isc 37.38 V · 13.92 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1722×1134×30 mm · 1.95 m² of roof
Weight 20.5 kg Strong Strong · 1.5 kg below median
Cells 108 · PERC Monocrystalline
Coefficient Pmax -0.340 %/°C Strong top 24% of its segment
Coefficient Voc · Isc -0.270 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 84.8 % Equals 336 W guaranteed
Degradation 2.00 → 0.55 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Tongwei in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 410 Wp appear here. The rest cover the whole series.

Power(W) vs Voltage(V) Power(W) vs Voltage(V) 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
-0.340 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Tongwei TW410MAP-108-H-F 410 W 21.00% -0.340 20.5 kg You are here
AIKO-A460-MAH54Mb 460 W 23.60% -0.290 20.5 kg +50 W, cooler, +2.6 pp
JST-EDMH-(445-465)W-TD (460W class) 460 W 23.56% -0.300 20.5 kg +50 W, +2.6 pp, +5 yr warranty
LX-460M/182R-96+ GG 460 W 23.55% -0.260 23.5 kg +50 W, cooler, +2.6 pp
PS-MNB108(HCBF)-460W 460 W 23.53% -0.290 20.5 kg +50 W, cooler, +2.5 pp
JAT54S40-460/LR 460 W 23.50% -0.260 19.3 kg +50 W, cooler, +2.5 pp
LX-460M/182R188-108+ GG 460 W 23.35% -0.290 24.5 kg +50 W, cooler, +2.4 pp
AIKO-455-MAH54Db 455 W 23.30% -0.260 24.0 kg Cooler, +2.3 pp, +5 yr warranty
LR5-54HTH-455M 455 W 23.30% -0.290 20.8 kg +45 W, cooler, +2.3 pp
TW400MAP-108-H-F 400 W 20.50% -0.340 20.5 kg -10 W, -0.5 pp
TW405MAP-108-H-F 405 W 20.70% -0.340 20.5 kg -0.3 pp
TW415MAP-108-H-F 415 W 21.30% -0.340 20.5 kg +0.3 pp
TW420MAP-108-H-F 420 W 21.50% -0.340 20.5 kg +10 W, +0.5 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +100 W, cooler, +4.0 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +85 W, cooler, +3.8 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +95 W, cooler, +3.7 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg +95 W, cooler, +3.7 pp

Found 1797 panels of the same or similar size to this one, within ±10 mm. See them here Found 1928 panels of the same or similar size to this one, within ±25 mm. See them here Found 3413 panels of the same or similar size to this one, within ±50 mm. See them here Found 4007 panels of the same or similar size to this one, within ±100 mm. See them here

About the MBB Half-cell Monofacial Full-black Module (54) TW400~420MAP M10-108-H-F series

6 answered

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

Is the Tongwei TW400-420MAP M10-108-H-F series still available for purchase?
No, this series has been discontinued from Tongwei's current production lineup and replaced by newer TOPCon-based modules with higher efficiency. Panels may still be available from distributors as remaining stock, but once inventory runs out, matching modules for expanding an existing array will no longer be obtainable, so it's best to order the full required capacity upfront.
What warranty comes with the Tongwei TW400-420MAP panels and what does it cover?
The manufacturer provides a 15-year product warranty covering material and workmanship defects, plus a 25-year linear power output warranty. This means the module is guaranteed to still deliver a specified percentage of its original rated power after 25 years, a standard benchmark among Tier 1 manufacturers like Tongwei.
Does the half-cell design help with partial roof shading?
Yes, half-cut cells reduce power loss when part of the module is shaded by a chimney, antenna, or neighboring building. Current flows through independent paths in the top and bottom halves of the panel, so shading one section doesn't take the entire module offline, which is especially valuable on complex residential roofs in Poland.
What does MBB (Multi Busbar) technology offer compared to standard 5-busbar panels?
MBB increases the number of thin current-carrying paths on the cell, shortening the electron flow distance, lowering internal resistance, and reducing energy losses. It also spreads mechanical stress across more connection points, lowering the risk of microcracks during transport, installation, or snow loading, resulting in higher and more stable panel output.
Are the TW400-420MAP panels bifacial modules?
No, the TW400-420MAP series is a monofacial module built with PERC cell technology, generating power only from its front surface. This design suits typical roof-mounted installations where there's no access to reflected light from the ground, unlike ground-mounted systems where bifacial panels would be the better choice.
Why is the Full-black finish more expensive, and is it worth the extra cost?
The Full-black version uses a black frame and black backsheet instead of the standard white background, giving the array a uniform, sleek look without exposing white gaps between cells. The price premium comes from more expensive components, but it's justified for many buyers, especially on roofs visible from the street, where aesthetics genuinely affect property value.
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