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Twinsel Electronic Technology Brand review

TSM132-8-675-700BHDG (675W variant)

675 Wp HJT Bifacial 85%
ComparePV verdict

Middle of its segment, heavy for its output

Rank 2,041 of 14,005
Compare panels Datasheet PDF
Power (Wp)
675
Weak · bottom 17%
Efficiency (%)
21.90
Weak · bottom 22%
Density (Wp/m²)
217.3
Weak · bottom 16%
Temp (%/°C)
-0.240
Typical · median -0.240
Weight (kg)
38.5
Weak · bottom 5%
Warranty (yrs)
30
Typical · median 30 yrs

The Twinsel Electronic Technology 210 Heterojunction Module (HJT) series is designed to maximize energy yield under real-world operating conditions - not just in a laboratory setting. The use of HJT cells based on n-type and layered passivation structures results in high efficiency and stable performance, even under varying solar irradiance. These modules are distinguished by excellent performance at high temperatures, which helps to reduce power drops in summer and on roofs with poor ventilation. The bifacial design and half-cut cell configuration support better utilization of reflected and diffuse light, which is particularly important on bright roofs, ground-mounted installations, and carport structures. Another key advantage is resistance to PID (Potential Induced Degradation) and microcracks, which increases predictability over the long term. This solution is for investors who want higher power density on a limited surface area, and a technology that is clearly more advanced than traditional PERC modules.

Ranking

61 panels in the segment HJT 650-700 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.90% 22.20% Weak · bottom 22% 6,783
Power density 217.3 222.1 Weak · bottom 16% 7,349
Temperature coefficient -0.240 -0.240 Typical 13
Weight per kWp 57.0 55.7 Weak · bottom 5% 11,028
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Best for

Commercial, utility-scale, hot-climate and shaded-installations.

Not ideal for

Weight-limited structures, roofs where every square metre has to count and tight roof space.

Watch-outs
57.0 kg per kWp

Bottom 5% of the HJT 650-700 W segment, against a median of 55.7. Ranked 11,028th in the whole database.

217.3 watts per square metre

Bottom 16% of the HJT 650-700 W segment, against a median of 222.1.

21.90% module efficiency

Bottom 22% of the HJT 650-700 W segment, against a median of 22.20%.

Notes from the database
  • Efficiency of 21.9% matches the HJT 650-700W median
  • At 217.3 W/m², this panel generates 4.8 W/m² less per unit area than HJT 650-700W median (222.1 W/m²)
  • At -0.24%/°C, hot weather performance is typical for HJT 650-700W panels
  • Bifaciality factor of 85% can add 4-13% extra yield with reflective mounting surface
  • Ranked #6783 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 675 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.90 % Weak Segment median 22.20%
Vmpp · Impp 41.41 V · 16.32 A Operating point at max power
Voc · Isc 49.38 V · 17.40 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×35 mm · 3.11 m² of roof
Weight 38.5 kg Weak Weak · bottom 5%
Cells 132 · HJT Monocrystalline
Bifaciality 85 % Rear output as a share of front
Coefficient Pmax -0.240 %/°C Typical median -0.240 of its segment
Coefficient Voc · Isc -0.220 · 0.047 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 90.8 % Equals 613 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
-
With bifacial gain
-

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

Heat losses
-0.240 %/°C against a segment median of -0.240
-
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
Twinsel Electronic Technology TSM132-8-675-700BHDG (675W variant) 675 W 21.90% -0.240 38.5 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg -25 W, lighter, +3.3 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg Hotter, lighter, +3.3 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg Hotter, lighter, +3.1 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg -30 W, lighter, +3.1 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +25 W, lighter, +3.1 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg Hotter, lighter, +3.0 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg Hotter, lighter, +2.9 pp
TSM132-8-675-700BHDG (680W variant) 680 W 22.10% -0.240 38.5 kg +0.2 pp
TSM132-8-675-700BHDG (685W variant) 685 W 22.20% -0.240 38.5 kg +10 W, +0.3 pp
TSM132-8-675-700BHDG (690W variant) 690 W 22.20% -0.240 38.5 kg +15 W, +0.3 pp
TSM132-8-675-700BHDG (695W variant) 695 W 22.40% -0.240 38.5 kg +20 W, +0.5 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +130 W, hotter, +3.2 pp
AIKO-A800-GRH78Dw 800 W 24.90% -0.260 39.8 kg +125 W, hotter, +3.0 pp
AIKO-A795-GRH78Dw 795 W 24.80% -0.260 39.8 kg +120 W, hotter, +2.9 pp
AIKO-A790-GRH78Dw 790 W 24.60% -0.260 39.8 kg +115 W, hotter, +2.7 pp
TSM-NEG21C.20Q-760 760 W 24.50% -0.260 38.3 kg +85 W, hotter, +2.6 pp

Found 1390 panels of the same or similar size to this one, within ±10 mm. See them here Found 1400 panels of the same or similar size to this one, within ±25 mm. See them here Found 1400 panels of the same or similar size to this one, within ±50 mm. See them here Found 1432 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is HJT technology and how does it differ from classic PERC panels?
HJT (Heterojunction Technology) combines an n-type silicon cell with thin layers of amorphous silicon, reducing recombination losses and increasing efficiency compared to PERC panels. In the Twinsel Electronic Technology 210 HJT series, this translates into higher efficiency, a smaller power drop at high temperatures, and more stable output under variable irradiance. For investors, this means higher power density on the same roof area than with classic PERC modules.
Does the bifacial design of Twinsel 210 HJT panels make sense on a pitched roof?
Yes, although bifacial technology delivers the biggest gains in ground-mount, carport, or flat, bright-roof installations where reflected light reaches the rear side of the module. On a typical pitched roof the panel still benefits from diffuse irradiance, but the energy gain will be smaller than with elevated mounting above the ground. The half-cut cell layout also improves performance under partial shading, regardless of roof angle.
What warranty applies to the Twinsel 210 Heterojunction Module (HJT) series?
The manufacturer provides a 12-year product warranty covering material and workmanship defects, plus a 30-year power warranty guaranteeing a defined output level over the long term. This matches leading HJT solutions on the market and is notably longer than the typical 10-12 year product warranty found on many PERC modules, improving the predictability of the investment payback.
Do Twinsel HJT panels perform well in high summer temperatures?
Yes, heterojunction (HJT) cells inherently have a lower power temperature coefficient than PERC cells, so they lose less output as module temperature rises. In the 210 HJT series this results in more stable energy production on hot days and on roofs with limited ventilation, where panel temperatures tend to run higher than in ground-mounted systems.
Is Twinsel Electronic Technology a Tier 1 manufacturer?
No, Twinsel Electronic Technology does not currently appear on the BloombergNEF Tier 1 manufacturer list. This does not indicate lower module quality - the Tier 1 classification is based mainly on the scale of bank financing rather than technical parameters. Before purchasing, it's still worth checking current certifications (IEC, TÜV) and warranty terms, which for this series are set at 12 years product and 30 years power.
What is the maximum power output of the Twinsel 210 HJT series, and who is it best suited for?
Modules in this series reach a maximum power output of up to 700 Wp, placing them among the most powerful panels currently available on the market. This solution suits investors who want higher power density on limited roof or ground area, for example in commercial installations and solar farms, while also seeking more modern technology than classic PERC modules.
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