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Talesun Brand review

TP7G54M/410W

410 Wp PERC Bifacial 70%
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 10,161 of 14,005
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)
-0.350
Typical · median -0.350
Weight (kg)
21.5
Typical · median 22.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

Talesun TP7G54M Series 108-cell (BIPRO) bifacial modules are designed to maximize energy yield in every square meter. The application of bifacial construction allows for additional energy gain from reflected radiation (albedo), which performs exceptionally well on light roofs, membranes, gravel, or ground installations. Variants with half-cut technology better tolerate partial shading and minimize string performance losses, aiding more stable energy production in typical Polish conditions (chimneys, window frames, trees). The module relies on monocrystalline cells and ensures long-term durability through solutions aimed at minimizing degradation and resistance to phenomena such as PID. An additional advantage is the sealant-filled junction box IP68, crucial for moisture, dust, and intensive operation. This is the premium series for residential, C&I, and utility-scale farms, where performance, reliability, and predictable operation are top priorities.

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% 9,758
Power density 210.0 206.2 Strong · top 24% 9,772
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 52.4 53.0 Typical 5,941
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

2 positive · 0 caution
Best for

Residential, commercial and shaded-installations.

Strengths
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
  • Efficiency of 21.0% matches the PERC 400-450W median
  • 210.0 W/m² power density - 3.8 W/m² more than PERC 400-450W median (206.2 W/m²), more power per roof area
  • Temperature coefficient of -0.35%/°C matches the PERC 400-450W median
  • Bifaciality factor of 70% can add 4-10% extra yield with reflective mounting surface
  • #9758 for efficiency, #10419 for temperature performance out of 14005 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 31.43 V · 13.05 A Operating point at max power
Voc · Isc 37.50 V · 13.94 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 21.5 kg Typical Typical · median 22.0 kg
Cells 108 · PERC Monocrystalline
Bifaciality 70 % Rear output as a share of front
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.260 · 0.048 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 25 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

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
-0.350 %/°C against a segment median of -0.350
-
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
Talesun TP7G54M/410W 410 W 21.00% -0.350 21.5 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
TP7F54M-390W 390 W 20.00% -0.350 21.5 kg -20 W, -1.0 pp
TP7F54M-395W 395 W 20.20% -0.350 21.5 kg -15 W, -0.8 pp
TP7F54M-400W 400 W 20.50% -0.350 21.5 kg -10 W, -0.5 pp
TP7F54M-405W 405 W 20.70% -0.350 21.5 kg -0.3 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
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +80 W, cooler, +3.5 pp

Found 1783 panels of the same or similar size to this one, within ±10 mm. See them here Found 1914 panels of the same or similar size to this one, within ±25 mm. See them here Found 3392 panels of the same or similar size to this one, within ±50 mm. See them here Found 3970 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the Talesun TP7G54M 108-cell (BIPRO) series still available for purchase?
No, this series has been discontinued from Talesun's current production lineup and replaced by newer models. Units may still appear at distributors as remaining stock, but availability is limited and inconsistent. For larger installations, it's worth confirming actual stock levels and production batch consistency with the seller beforehand.
How does the bifacial TP7G54M panel differ from a standard monofacial panel?
The TP7G54M generates power from both sides of the module thanks to a transparent rear layer, capturing light reflected off the ground (albedo). In practice this means extra energy yield, especially on light-colored roofs, membranes, or ground-mount installations over gravel or grass. A monofacial panel only produces electricity from its front side, so at the same 410 Wp nominal rating a bifacial installation can deliver higher real-world annual output.
What warranty comes with the Talesun TP7G54M 108-cell modules?
The series carries a 25-year product warranty and a 25-year power warranty, a premium standard among tier 1 manufacturers. This means Talesun covers both material and workmanship defects and guarantees the module maintains its rated power over a long operating period. It's still worth verifying warranty service terms with the seller, since the series has already been discontinued.
Does half-cut cell technology in the TP7G54M help with partial shading?
Yes, half-cut cells, split down the middle, reduce power losses under partial shading, for example from a chimney, dormer window, or nearby tree. Splitting the cells limits the impact of a shaded section on the entire module string, so the panel loses less energy than a traditional full-cell design in typical Polish roof conditions.
Are Talesun TP7G54M panels suitable for a pitched roof on a single-family home?
Yes, the BIPRO series works well for single-family homes as well as C&I installations and solar farms. On pitched roofs the bifacial gain is smaller than in ground-mount setups, but it still delivers additional yield, especially with light-colored roofing. Half-cut technology further helps in the typical partial-shading conditions common on residential roofs.
What does IP68 junction box rating mean on the TP7G54M module and why does it matter?
IP68 protection means the junction box is fully dust-tight and rated for prolonged submersion in water, a higher standard than the common IP65 or IP67 ratings. This matters for installations exposed to moisture, heavy rainfall, or dust, such as solar farms or agricultural sites, where electrical connections face a greater risk of degradation over time.
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