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Techwise Solar TW-505HT
Techwise Solar Brand review

TW-505HT

505 Wp PERC
ComparePV verdict

Space saver, short guarantee

Rank 9,536 of 14,005
Compare panels Datasheet PDF
Power (Wp)
505
Weak · bottom 11%
Efficiency (%)
21.27
Strong · top 7%
Density (Wp/m²)
212.7
Strong · top 6%
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
26.0
Typical · median 28.4 kg
Warranty (yrs)
25
Weak · bottom 23%

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

706 panels in the segment PERC 500-550 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.27% 20.90% Strong · top 7% 8,849
Power density 212.7 209.0 Strong · top 6% 8,757
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 51.5 53.0 Typical 4,854
Performance warranty 25 yrs 30 yrs Weak · bottom 23% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

2 positive · 1 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Owners who want a long output guarantee.

Strengths
212.7 watts per square metre

Top 6% of the PERC 500-550 W segment, against a median of 209.0. Ranked 8,757th in the whole database.

21.27% module efficiency

Top 7% of the PERC 500-550 W segment, against a median of 20.90%. Ranked 8,849th in the whole database.

Watch-outs
25 year performance warranty

Bottom 23% of the PERC 500-550 W segment, against a median of 30 yrs.

Notes from the database
  • At 21.3% efficiency, this panel is on par with typical PERC 500-550W modules
  • Power density of 212.7 W/m² packs 3.7 W/m² more into the same footprint vs PERC 500-550W median (209.0 W/m²)
  • Temperature coefficient of -0.35%/°C matches the PERC 500-550W median
  • At 26.0 kg, this panel is 2.4 kg lighter than PERC 500-550W median (28.4 kg) - easier handling during installation
  • #8849 for efficiency, #10419 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 505 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.27 % Strong Segment median 20.90%
Vmpp · Impp 38.60 V · 13.09 A Operating point at max power
Voc · Isc 45.80 V · 13.98 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2094×1134×35 mm · 2.37 m² of roof
Weight 26.0 kg Typical Typical · median 28.4 kg
Cells 132 · 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 Weak bottom 23% · median 30 yrs
End-of-warranty output 84.8 % Equals 414 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-505HT 505 W 21.27% -0.350 26.0 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, +3.7 pp, +5 yr warranty
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +3.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, +3.4 pp, +5 yr warranty
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +50 W, cooler, +3.3 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +3.2 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, +3.2 pp, +5 yr warranty
TW-485HT 485 W 20.42% -0.350 26.0 kg -20 W, -0.8 pp
TW-490HT 490 W 20.64% -0.350 26.0 kg -15 W, -0.6 pp
TW-495HT 495 W 20.85% -0.350 26.0 kg -10 W, -0.4 pp
TW-500HT 500 W 21.06% -0.350 26.0 kg -0.2 pp
TW-530HT-06 530 W 22.32% -0.300 29.2 kg Cooler, +1.1 pp, +5 yr warranty
TW-535HT-06 535 W 22.53% -0.300 29.2 kg Cooler, +1.3 pp, +5 yr warranty
TW-540HT-06 540 W 22.74% -0.300 29.2 kg Cooler, +1.5 pp, +5 yr warranty
GKA120N-PRO-590W 590 W 23.82% -0.300 26.7 kg +85 W, +2.6 pp, +5 yr warranty
GKA120N-PRO-585W 585 W 23.62% -0.300 26.7 kg +80 W, +2.4 pp, +5 yr warranty
BGO 580 580 W 23.50% -0.290 26.0 kg +75 W, cooler, +2.2 pp

Found 397 panels of the same or similar size to this one, within ±10 mm. See them here Found 408 panels of the same or similar size to this one, within ±25 mm. See them here Found 425 panels of the same or similar size to this one, within ±50 mm. See them here Found 953 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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