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Techwise Solar TW-150MM
Techwise Solar Brand review

TW-150MM

150 Wp Monocrystalline
ComparePV verdict

Middle of its segment, weak in heat

Rank 13,877 of 14,005
Compare panels Datasheet PDF
Power (Wp)
150
Typical for its class
Efficiency (%)
14.90
Typical · median 15.96%
Density (Wp/m²)
149.0
Typical · median 159.2
Temp (%/°C)
-0.400
Weak · bottom 11%
Weight (kg)
10.0
Typical · median 11.5 kg
Warranty (yrs)
20
Weak · bottom 25%

The Techwise Solar Micro Sun Series is designed for installations where compact size and flexible power selection are key - from small panels for mobile applications to larger modules for lightweight structures. It features monocrystalline cells in configurations suitable for various formats, making it easy to install on campers, boats, patios, in off-grid systems, and as backup power.

A key feature is a wide range of sizes, as well as a design focused on practical durability in everyday use. The modules utilize single glass, and in some variants, you'll find half-cell architecture, which helps to minimize losses in partially shaded conditions and stabilize performance in less ideal environments. The Micro Sun Series solves the problem of limited space and difficult mounting surfaces, providing predictable performance in small systems and easy scalability.

It's a good choice for users who need panels for custom, service, and mobile installations - where standard roof-mounted modules are simply too large or impractical.

Ranking

338 panels in the 50-250 W band, all technologies
Metric This panel Median Position in segment Overall rank
Module efficiency 14.90% 15.96% Typical 13,820
Power density 149.0 159.2 Typical 13,804
Temperature coefficient -0.400 -0.370 Weak · bottom 11% 13,674
Weight per kWp 66.7 70.3 Typical 13,180
Performance warranty 20 yrs 25 yrs Weak · bottom 25% 13,796
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 2 caution
Best for

Off-grid and shaded-installations.

Not ideal for

Hot climates and owners who want a long output guarantee.

Watch-outs
-0.400 %/°C temperature coefficient

Bottom 11% of the 50-250 W band, against a median of -0.370.

20 year performance warranty

Bottom 25% of the 50-250 W band, against a median of 25 yrs.

Notes from the database
  • Efficiency of 14.9% is 6.9pp below the database median (21.8%)
  • Power density of 149.1 W/m² is 69.0 W/m² below database median (218.1 W/m²) - needs more roof space
  • At -0.40%/°C, loses 0.10pp more power per degree than database median (-0.30%/°C)
  • At 10.0 kg, this panel is 16.5 kg lighter than database median (26.5 kg) - easier handling during installation
  • In the top 99% for efficiency among all N-type panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 150 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 14.90 % Typical Segment median 15.96%
Vmpp · Impp 19.20 V · 8.10 A Operating point at max power
Voc · Isc 23.60 V · 10.00 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1480×680×35 mm · 1.01 m² of roof
Weight 10.0 kg Typical Typical · median 11.5 kg
Cells 39 Monocrystalline
Coefficient Pmax -0.400 %/°C Weak bottom 11% of its segment
Coefficient Voc · Isc -0.300 · 0.060 %/°C
Product warranty 10 years Hardware defects only
Performance warranty 20 years Weak bottom 25% · 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
-0.400 %/°C against a segment median of -0.370
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Techwise Solar TW-150MM 150 W 14.90% -0.400 10.0 kg You are here
GKA182M150W 150 W 23.00% - 9.0 kg Lighter, +8.1 pp, +10 yr warranty
GKA182M160W 160 W 23.00% - 9.0 kg +10 W, +8.1 pp, +10 yr warranty
GKA182M180W 180 W 23.00% - 9.0 kg +30 W, +8.1 pp, +10 yr warranty
GKA182M200W 200 W 23.00% - 9.0 kg +50 W, +8.1 pp, +10 yr warranty
GKA182M120W 120 W 23.00% - 6.1 kg Lighter, +8.1 pp, +10 yr warranty
GKA182M135W 135 W 23.00% - 6.1 kg Lighter, +8.1 pp, +10 yr warranty
GKA182M100W 100 W 23.00% - 6.1 kg -50 W, +8.1 pp, +10 yr warranty
GKA182M110W 110 W 23.00% - 6.1 kg -40 W, +8.1 pp, +10 yr warranty
NS-100MH-36 100 W 21.29% -0.290 5.0 kg -50 W, cooler, +6.4 pp
NS-100MH-36 100 W 21.29% -0.290 5.0 kg -50 W, cooler, +6.4 pp
ZEUS 1.2 FullBlack 280W 280 W 23.31% -0.260 14.3 kg +130 W, cooler, +8.4 pp
GKA182M285W 285 W 23.00% - 10.8 kg +135 W, +8.1 pp, +10 yr warranty
GKA182M240W 240 W 23.00% - 10.8 kg +90 W, +8.1 pp, +10 yr warranty
GKA182M260W 260 W 23.00% - 10.8 kg +110 W, +8.1 pp, +10 yr warranty
GKA182M270W 270 W 23.00% - 10.8 kg +120 W, +8.1 pp, +10 yr warranty
DM270M10T-B32HBT 270 W 22.90% -0.290 15.3 kg +120 W, cooler, +8.0 pp

Found 64 panels of the same or similar size to this one, within ±10 mm. See them here Found 94 panels of the same or similar size to this one, within ±25 mm. See them here Found 94 panels of the same or similar size to this one, within ±50 mm. See them here Found 129 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What applications is the Techwise Solar Micro Sun Series suitable for?
Micro Sun Series offers a maximum power output of 330 Wp and is designed for applications where compact size and flexible power selection matter - campers, boats, gazebos, off-grid systems, and backup power. The wide range of available sizes makes it possible to fit a module onto irregular surfaces where a standard rooftop panel simply won't fit.
Does the Micro Sun Series use monocrystalline or polycrystalline cells?
Micro Sun Series is built with monocrystalline silicon cells, which deliver higher efficiency and better energy yield on limited mounting surfaces than polycrystalline cells. This matters most in small mobile installations, where every square centimeter of panel area affects the amount of power generated.
What is half-cell architecture in Micro Sun Series panels, and is it worth choosing?
Half-cell architecture splits standard cells in half, reducing current losses and internal resistance within the module. In practice this means better performance under partial shading - for example, when a camper panel is partly shaded by an antenna or air conditioner. Not every Micro Sun Series variant includes this technology, so it's worth checking the datasheet for the specific model.
What warranty comes with the Techwise Solar Micro Sun Series?
The Micro Sun Series is backed by a 10-year product warranty and a 20-year linear power output warranty. This means the manufacturer guarantees a defined efficiency level throughout two decades of use, which is standard coverage for this class of mobile and niche PV products.
Are Micro Sun Series panels bifacial?
No, Micro Sun Series modules are monofacial and use a single-glass construction. This design is lighter and less costly to produce, which suits mobile and temporary applications well, where weight and price matter more than maximizing yield from reflected light.
Are Micro Sun Series panels suitable for mounting on a camper or boat?
Yes, this is one of the series' primary use cases. Compact dimensions, flexible power ratings, and a design built for irregular, smaller surfaces make Micro Sun Series a good fit for camper roofs, boats, or portable off-grid kits, where standard rooftop modules are too large or impractical.
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