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Techwise Solar TW-450HT-120M
Techwise Solar Brand review

TW-450HT-120M

450 Wp PERC
ComparePV verdict

Middle of its segment, modest efficiency

Rank 11,508 of 14,005
Compare panels Datasheet PDF
Power (Wp)
450
Weak · bottom 12%
Efficiency (%)
20.20
Weak · bottom 5%
Density (Wp/m²)
203.7
Weak · bottom 10%
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
26.5
Weak · 2.0 kg above median
Warranty (yrs)
25
Typical · median 25 yrs

The Techwise Solar Sun-Pursuit (TW-460HT) series are monocrystalline modules based on a half-cut architecture, designed to maintain stable performance even when part of the panel is intermittently shaded or dirty. The use of a multi-busbar connection structure minimizes losses due to microcracks and improves current collection from the cells, resulting in more predictable performance in real-world conditions.

In practice, the TW-460HT solves common rooftop installation problems: fluctuations in production due to uneven sunlight, power drops after heating, and the risk of gradual performance degradation over time. This is facilitated by low degradation over the lifespan and a refined laminate structure, which is particularly important for intensive use.

It is a good choice for single-family homes, small and medium-sized businesses, and farms, where high surface efficiency and easier compatibility with standard inverters and string configurations are important. It stands out from the competition due to its combination of mature cell technology with a focus on reliability in everyday operation.

Ranking

449 panels in the segment PERC 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.20% 20.82% Weak · bottom 5% 11,956
Power density 203.7 208.5 Weak · bottom 10% 11,665
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 58.9 53.1 Weak · bottom 14% 11,937
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 · 3 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

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

Watch-outs
20.20% module efficiency

Bottom 5% of the PERC 450-500 W segment, against a median of 20.82%. Ranked 11,956th in the whole database.

203.7 watts per square metre

Bottom 10% of the PERC 450-500 W segment, against a median of 208.5.

58.9 kg per kWp

Bottom 14% of the PERC 450-500 W segment, against a median of 53.1.

Notes from the database
  • Module efficiency of 20.2% is 0.6pp below average for PERC 450-500W panels (median: 20.8%)
  • Power density of 203.7 W/m² is 4.8 W/m² below PERC 450-500W median (208.5 W/m²) - needs more roof space
  • Temperature coefficient of -0.35%/°C matches the PERC 450-500W median
  • At 26.5 kg, this panel is 2.0 kg heavier than the PERC 450-500W median (24.5 kg) - more demanding for installation crews
  • #11956 for efficiency, #10419 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 450 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.20 % Weak Segment median 20.82%
Vmpp · Impp 36.35 V · 12.38 A Operating point at max power
Voc · Isc 44.84 V · 13.25 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2108×1048×35 mm · 2.21 m² of roof
Weight 26.5 kg Weak Weak · 2.0 kg above median
Cells 120 · PERC Monocrystalline
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.275 · 0.050 %/°C
NOCT 45 °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

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-450HT-120M 450 W 20.20% -0.350 26.5 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +4.6 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +4.3 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +50 W, cooler, +4.3 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg Cooler, lighter, +4.3 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg Cooler, lighter, +4.3 pp
GCL-NR10R/54BGDF 500 W 24.50% -0.260 24.6 kg +50 W, cooler, +4.3 pp
TW-445HT-120M 445 W 19.98% -0.350 26.5 kg -0.2 pp
TW-455HT-120M 455 W 20.43% -0.350 26.5 kg +0.2 pp
TW-460HT-120M 460 W 20.65% -0.350 26.5 kg +10 W, +0.4 pp
GKA120N-PRO-590W 590 W 23.82% -0.300 26.7 kg +140 W, +3.6 pp, +5 yr warranty
GKA120N-PRO-585W 585 W 23.62% -0.300 26.7 kg +135 W, +3.4 pp, +5 yr warranty
BGO 580 580 W 23.50% -0.290 26.0 kg +130 W, cooler, +3.3 pp
GKA120N-PRO-580W 580 W 23.42% -0.300 26.7 kg +130 W, +3.2 pp, +5 yr warranty

Found 115 panels of the same or similar size to this one, within ±10 mm. See them here Found 345 panels of the same or similar size to this one, within ±25 mm. See them here Found 345 panels of the same or similar size to this one, within ±50 mm. See them here Found 1027 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 the Techwise Solar TW-460HT panel?
The TW-460HT delivers a maximum power output of 460 Wp. Thanks to its half-cut architecture and multi-busbar design, this power rating is achieved with reduced microcrack-related losses, resulting in more stable energy yields compared to full-cell modules of similar nominal power.
How does half-cut technology in the TW-460HT differ from standard monocrystalline panels?
In half-cut technology, monocrystalline cells are cut in half, reducing current losses and limiting the impact of partial shading on the whole panel's output. In the TW-460HT, this is combined with PERC cells and a multi-busbar grid, which improves current collection and reduces the risk of degradation from microcracks.
What warranty comes with the Techwise Solar Sun-Pursuit TW-460HT?
The manufacturer provides a 12-year product warranty covering material and workmanship defects, along with a 25-year power warranty guaranteeing a defined performance level of the cells over the long term. Low lifecycle degradation further supports stable energy production throughout the warranty period.
Will the TW-460HT perform well on a roof partially shaded by a chimney or trees?
Yes, this is one of the main benefits of the half-cut architecture used in the TW-460HT. Splitting cells into halves limits the power drop across the whole string when only part of the panel is shaded or soiled, keeping energy production more predictable even under uneven sunlight exposure throughout the day.
Are the Sun-Pursuit TW-460HT panels bifacial?
No, the TW-460HT series consists of monofacial panels, optimized for standard rooftop installations where the rear side has no access to reflected light. If you need extra yield from albedo gain, consider bifacial variants from the manufacturer's lineup, designed for ground-mount or freestanding structures.
What types of installations is the TW-460HT series best suited for?
The TW-460HT series is designed for single-family homes, small and medium-sized businesses, and solar farms, where high area efficiency matters most. These panels are easy to match with typical inverters and string configurations, simplifying system design without the need for custom engineering solutions.
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