Skip to main content
Hanersun HN21N-66HT720W
Hanersun Brand review

HN21N-66HT720W

720 Wp N-type Bifacial 80%
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 330 of 14,005
Compare panels Datasheet PDF
Power (Wp)
720
Strong · top 21%
Efficiency (%)
23.20
Strong · top 17%
Density (Wp/m²)
231.8
Strong · top 21%
Temp (%/°C)
-0.280
Strong · top 19%
Weight (kg)
37.4
Strong · top 23%
Warranty (yrs)
30
Typical · median 30 yrs

The Hanersun Hitouch 6N series answers the growing demand for high power-density installations on limited roof or ground space. The modules are built on TOPCon technology paired with large 210 mm silicon wafers, delivering high per-panel output without increasing physical dimensions. The use of half-cut, multi-busbar cells reduces resistive losses and improves resistance to microcracks, helping the panel better withstand transport, installation, and long-term mechanical stress. Thanks to its bifacial design, the module also captures light reflected from the ground, translating into extra energy yield, particularly in ground-mounted arrays or over light-colored surfaces. The series stands out for near-zero LID/LeTID degradation and stable performance under low irradiance, which matters in climates with frequent partial cloud cover, such as Poland's. A reinforced frame ensures resistance to snow and wind loads, and the manufacturer backs the modules with a 30-year power warranty. The Hitouch 6N works well both for residential prosumer setups and larger commercial projects, where a low cost per watt and predictable long-term durability are key investment factors.

Ranking

90 panels in the segment N-type 700-750 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.20% 22.88% Strong · top 17% 1,306
Power density 231.8 228.6 Strong · top 21% 1,347
Temperature coefficient -0.280 -0.290 Strong · top 19% 1,309
Weight per kWp 51.9 53.5 Strong · top 23% 5,380
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

8 positive · 3 caution
Best for

Commercial, utility-scale and shaded-installations.

Strengths
23.20% module efficiency

Top 17% of the N-type 700-750 W segment, against a median of 22.88%.

-0.280 %/°C temperature coefficient

Top 19% of the N-type 700-750 W segment, against a median of -0.290.

231.8 watts per square metre

Top 21% of the N-type 700-750 W segment, against a median of 228.6.

What owners get
High efficiency up to 24.1%

The series' top efficiency (24.1%) exceeds flagship modules from comparable manufacturers - Trina Vertex N (23.2%), DMEGC (23.2%), and Luxor Eco Line HJT (23.39%) at the same 720 Wp maximum power.

N-type TOPCon technology with half-cut cells

Half-cut multi-busbar cells on 210 mm wafers reduce resistive losses and improve resistance to microcracks, resulting in near-zero LID/LeTID degradation and more stable performance under low irradiance.

30-year linear power warranty

The manufacturer covers modules with a 30-year linear power warranty, matching top-tier offerings in the premium segment and exceeding the standard 25 years offered by many tier-1 manufacturers.

Reinforced frame for snow and wind loads

The module frame is certified for extreme wind (2400 Pa) and snow loads (5400 Pa), making the series suitable for Polish climate conditions with periodic snowfall.

Wide power range and 53 variants

A portfolio spanning 430 to 720 Wp across 53 variants allows sizing for both small residential installations and large commercial projects without switching suppliers between segments.

Trade-offs
Inconsistent tier-1/bankability status

Hanersun was listed on BloombergNEF's tier-1 list in Q2 2023 for its 600W+ technology, yet the product context flags tier-1 bankability as unconfirmed (tier_1_bankable: false), which could complicate bank financing for large-scale projects compared to consistently listed Trina Solar or DMEGC.

Product warranty varies from 15 to 25 years

Depending on variant, product warranty ranges from 15 to 25 years - entry-level models with only a 15-year product warranty fall short of the 25-year standard typically offered by established tier-1 manufacturers on comparable TOPCon modules.

Wide efficiency spread down to 21.5%

The lower-end variants in the series reach only 21.5% efficiency, noticeably below the minimum values of peer comparables (Trina 23.2%, DMEGC 23.2%, Luxor 23.39%), meaning not every Hitouch 6N variant matches the competition.

Notes from the database
  • At 23.2% efficiency, this panel is on par with typical N-type 700-750W modules
  • 231.8 W/m² power density - 3.2 W/m² more than N-type 700-750W median (228.6 W/m²), more power per roof area
  • Temperature coefficient of -0.28%/°C matches the N-type 700-750W median
  • Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof
  • #1306 for efficiency, #1309 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 720 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.20 % Strong Segment median 22.88%
Vmpp · Impp 41.20 V · 17.48 A Operating point at max power
Voc · Isc 49.00 V · 18.50 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×33 mm · 3.11 m² of roof
Weight 37.4 kg Strong Strong · top 23%
Cells 132 · N-type Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.280 %/°C Strong top 19% of its segment
Coefficient Voc · Isc -0.230 · 0.045 %/°C
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 629 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Hanersun in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 720 Wp appear here. The rest cover the whole series.

Power Output Warranty Power Output Warranty Whole series I-V Curves of PV Module (720W) I-V Curves of PV Module (720W) 720 W P-V Curves of PV Module (720W) P-V Curves of PV Module (720W) 720 W

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
-0.280 %/°C against a segment median of -0.290
-
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
Hanersun HN21N-66HT720W 720 W 23.20% -0.280 37.4 kg You are here
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg -40 W, lighter, +2.0 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg -45 W, lighter, +1.8 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg Cooler, lighter, +1.8 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg -25 W, lighter, +1.7 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg -50 W, lighter, +1.6 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg -50 W, lighter, +1.6 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg -50 W, lighter, +1.6 pp
HN21-66HT650W 650 W 20.90% -0.349 38.5 kg -70 W, hotter, -2.3 pp
HN21-66H655W 655 W 21.10% -0.340 34.4 kg -65 W, hotter, -2.1 pp
HN21-66H660W 660 W 21.20% -0.340 34.4 kg -60 W, hotter, -2.0 pp
HN21-66H665W 665 W 21.40% -0.340 34.4 kg -55 W, hotter, -1.8 pp
HN21-66HT670W 670 W 21.60% -0.349 38.5 kg -50 W, hotter, -1.6 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +85 W, heavier, +1.9 pp
AIKO-A800-GRH78Dw 800 W 24.90% -0.260 39.8 kg +80 W, heavier, +1.7 pp
AIKO-A795-GRH78Dw 795 W 24.80% -0.260 39.8 kg +75 W, heavier, +1.6 pp
AIKO-A790-GRH78Dw 790 W 24.60% -0.260 39.8 kg +70 W, heavier, +1.4 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 the maximum power output of the Hitouch 6N panel and which installations is it suited for?
Hitouch 6N modules reach a maximum power output of up to 720 Wp, making them one of the more powerful panels in their class thanks to large 210 mm silicon wafers. High unit power means fewer panels are needed to reach a target system capacity, making them suitable both for residential rooftop installations with limited space and for commercial projects and utility-scale solar farms, where cost per watt is critical.
What is TOPCon technology in Hitouch 6N panels and how does it differ from PERC?
TOPCon (Tunnel Oxide Passivated Contact) is a cell technology that uses an additional passivation layer to reduce electron recombination and increase conversion efficiency compared to the older PERC technology. In practice, TOPCon panels like the Hitouch 6N generate higher power from the same surface area and perform better at high temperatures and low irradiance, resulting in higher annual energy yield.
Do the half-cut cells in the Hitouch 6N improve panel durability?
Yes, the use of half-cut cells with multiple busbars in the Hitouch 6N reduces resistive losses and increases resistance to microcracks caused during transport, installation, or mechanical loads such as snow or wind. Additionally, in cases of partial shading or single-cell damage, the panel loses less power than a full-cell module, resulting in higher long-term reliability.
What warranty comes with Hanersun Hitouch 6N panels?
Hitouch 6N panels come with a 25-year product warranty and a 30-year power output warranty, guaranteeing a defined performance level over three decades of operation. This is one of the longer warranties on the market, reflecting the manufacturer's confidence in TOPCon technology and panel construction, which matters when calculating the payback period of a solar investment.
Is Hanersun a tier 1 manufacturer, and does that matter when choosing panels?
Hanersun is not currently classified as a tier 1 manufacturer under BloombergNEF's ranking, meaning less bank project financing scale compared to leading brands like Jinko or Trina. This does not automatically mean lower product quality, as Hanersun is a Chinese manufacturer using proven TOPCon technology and offering long warranties. It's still worth checking local warranty service availability in your country before purchasing a larger installation.
Does the Hitouch 6N perform well under the partly cloudy conditions typical of Poland?
Yes, the Hitouch 6N series features near-zero LID and LeTID degradation and stable performance under low irradiance, which matters in climates like Poland with frequent cloud cover and diffuse radiation. TOPCon technology utilizes weak and diffuse light more effectively than older cell technologies, allowing the panel to generate energy efficiently even on overcast days, not only under full sun.
Add to compare