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Techwise Solar TW-405HTB-1
Techwise Solar Brand review

TW-405HTB-1

405 Wp PERC
ComparePV verdict

Solid all-round for its segment

Rank 11,889 of 14,005
Compare panels Datasheet PDF
Power (Wp)
405
Typical for its class
Efficiency (%)
20.74
Typical · median 20.60%
Density (Wp/m²)
207.4
Typical · median 206.2
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
20.8
Typical · median 22.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

The Techwise Solar Sun-Pursuit series consists of monocrystalline modules designed for stable operation in real rooftop and ground-mounted conditions. The use of half-cut cells helps minimize losses due to partial shading and minor damage, resulting in more predictable annual energy yields. In practice, this makes it a good choice where resilience to harsh operating conditions is important - from high temperatures to variable mechanical loads.

A key feature of the series is the multi-busbar architecture, which supports more efficient current collection and better module performance in low-light conditions. For investors who value aesthetics, FULL BLACK variants are available, particularly desirable on residential and modern commercial rooftops.

The Sun-Pursuit is suitable for prosumer installations, warehouses and halls, as well as larger projects where parameter consistency and easy integration with popular inverters and mounting systems are important.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.74% 20.60% Typical 10,645
Power density 207.4 206.2 Typical 10,626
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 51.4 53.0 Typical 4,725
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 0 caution
Best for

Residential, commercial and shaded-installations.

Notes from the database
  • Efficiency of 20.7% matches the PERC 400-450W median
  • Power density of 207.4 W/m² matches the PERC 400-450W median
  • At -0.35%/°C, hot weather performance is typical for PERC 400-450W panels
  • 20.8 kg weight - 1.2 kg lighter than PERC 400-450W median (22.0 kg), reducing installation effort
  • In the top 76% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 405 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.74 % Typical Segment median 20.60%
Vmpp · Impp 31.40 V · 12.90 A Operating point at max power
Voc · Isc 37.30 V · 13.81 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 20.8 kg Typical Typical · median 22.0 kg
Cells 108 · PERC Monocrystalline
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.275 · 0.050 %/°C
NOCT 44 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 84.8 % Equals 332 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
-

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
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Techwise Solar TW-405HTB-1 405 W 20.74% -0.350 20.8 kg You are here
AIKO-455-MAH54Db 455 W 23.30% -0.260 24.0 kg +50 W, cooler, +2.6 pp
LR5-54HTH-455M 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.6 pp
YL455CF54 e/2 455 W 23.30% -0.290 20.3 kg +50 W, cooler, +2.6 pp
ESM-455T 455 W 23.30% -0.310 21.0 kg +50 W, +2.6 pp, +5 yr warranty
SE5-54HBC-455W 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.6 pp
JST-EDMH-(445-465)W-TD (455W class) 455 W 23.30% -0.300 20.5 kg +50 W, +2.6 pp, +5 yr warranty
LX-455M/182R-96+ GG 455 W 23.30% -0.260 23.5 kg +50 W, cooler, +2.6 pp
TW-400HTB-1 400 W 20.48% -0.350 20.8 kg -0.3 pp
TW-410HTB-1 410 W 21.00% -0.350 20.8 kg +0.3 pp
TW-415HT-1 415 W 21.25% -0.350 20.8 kg +10 W, +0.5 pp
TW-425HT-06 425 W 21.76% -0.300 24.6 kg Cooler, +1.0 pp, +5 yr warranty
TW-430HT-06 430 W 22.02% -0.300 24.6 kg Cooler, +1.3 pp, +5 yr warranty
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +105 W, cooler, +4.3 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +90 W, cooler, +4.1 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +100 W, cooler, +4.0 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +85 W, cooler, +3.8 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
What is the warranty on Techwise Solar Sun-Pursuit panels?
The Sun-Pursuit series comes with a 15-year product warranty and a 30-year linear power output warranty. This covers both manufacturing defects and the gradual decline in power output over time, matching the standard offered by leading manufacturers in the solar market.
How do half-cut cells in the Sun-Pursuit panels differ from standard full-size cells?
Half-cut PERC cells are cut in half, which reduces current losses under partial shading and makes microcracks less likely to cause permanent power loss. In practice, the panel performs more consistently when part of the module is shaded by leaves, a chimney, or clouds, resulting in higher real-world annual energy yield.
What is the maximum power output of the Sun-Pursuit series panels?
The flagship variant of the series reaches a maximum power output of 560 Wp. This is a high value for a monocrystalline PERC module, allowing fewer panels to be used to reach a target system size and reducing installation and cabling costs per kilowatt of capacity.
Is the Sun-Pursuit series available in Full Black for residential rooftops?
Yes, the series offers FULL BLACK variants, which are particularly popular on sloped residential rooftops due to their uniform, aesthetic appearance without a visible white frame or backsheet. This variant is also well-suited for modern commercial buildings where facade appearance matters.
What is multi-busbar architecture and is it worth choosing?
Multi-busbar is a design with a higher number of thin conductive pathways on the cell surface, which shortens the current path and reduces resistive losses compared to conventional 3-4 busbar layouts. In Sun-Pursuit panels, this improves performance in low-light conditions, such as early morning, evening, or overcast days, meaningfully increasing annual energy yield.
Are Sun-Pursuit panels suitable for warehouse or industrial hall installations?
Yes, the series is designed for both residential prosumer installations and larger commercial projects on warehouse and industrial hall roofs. Consistent electrical parameters across the series make it easy to combine multiple modules into a single string without mismatch risk, and the panels integrate well with popular inverters and standard mounting systems used on flat and trapezoidal roofs.
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