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BYD HSBK-33-730
BYD Brand review

HSBK-33-730

730 Wp HJT Bifacial 90%
ComparePV verdict

Space saver, no clear weak spot

Rank 312 of 14,005
Compare panels Datasheet PDF
Power (Wp)
730
Strong · top 16%
Efficiency (%)
23.50
Strong · top 16%
Density (Wp/m²)
235.0
Strong · top 16%
Temp (%/°C)
-0.240
Typical · median -0.240
Weight (kg)
38.3
Strong · top 23%
Warranty (yrs)
30
Typical · median 30 yrs

The BYD HALO HSBK-33 photovoltaic panel series introduces a new quality to the Polish market, based on innovative N-type TOPCon cell technology. It solves the key problem of power degradation over time, offering significantly higher resistance to LID and LeTID phenomena compared to traditional P-type modules. As a result, users can count on stable energy yields for decades, which directly translates into a faster return on investment. A unique feature of this series is its high efficiency in low-light conditions, which is crucial in the Polish climate during cloudy days. These modules stand out with their aesthetic finish, making them an ideal choice for modern residential and commercial installations. The use of multi-busbar technology minimizes the risk of micro-cracks and optimizes current flow, placing this series ahead of standard competitor solutions in terms of mechanical durability. This equipment is dedicated to investors looking for maximum power density from limited roof space while maintaining full operational safety. BYD HALO HSBK-33 is a solid combination of advanced cell physics and elegant design, eliminating typical compromises between aesthetics and the energy efficiency of the entire system.

Ranking

222 panels in the segment HJT 700-750 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.50% 23.02% Strong · top 16% 716
Power density 235.0 230.2 Strong · top 16% 800
Temperature coefficient -0.240 -0.240 Typical 13
Weight per kWp 52.5 53.6 Strong · top 23% 5,993
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 · 2 caution
Best for

Residential, commercial, utility-scale and hot-climate.

Strengths
235.0 watts per square metre

Top 16% of the HJT 700-750 W segment, against a median of 230.2.

23.50% module efficiency

Top 16% of the HJT 700-750 W segment, against a median of 23.02%.

52.5 kg per kWp

Top 23% of the HJT 700-750 W segment, against a median of 53.6.

What owners get
Lowest Temperature Coefficient in the Segment

HJT technology delivers a Pmax temperature coefficient of -0.24%/°C, while competing TOPCon modules (Jinko Tiger Neo, Vikram Suryava) range from -0.29 to -0.32%/°C. In practice, this translates to approximately 2–4% higher energy yield on hot summer days compared to TOPCon modules of equivalent power class.

Zero LID and PID — No Induced Degradation

The inherent structural symmetry of the HJT cell fully eliminates both Light-Induced Degradation (LID) and Potential-Induced Degradation (PID) — as confirmed by BYD in the official datasheet. TOPCon-based peer comparables offer only limited PID resistance and may require additional protective measures in system design.

Bifaciality Up to 95% — Best-in-Class Rating

The HSBK-33 series achieves a bifaciality factor of up to 95%, placing it among the highest values on the market (standard TOPCon modules typically reach 70–80%). With appropriate ground albedo (light-gray gravel, TPO membrane), this yields a real energy bonus of 5–15% above rated front-side power — particularly significant in ground-mount and flat-roof installations.

Power and Efficiency Among the Best in Class

The 735 Wp variant at 23.66% efficiency positions the series on par with leading peer comparables (Jinko Tiger Neo 66HL5-BDV: 735 Wp / 23.66%; Yingli PANDA 3.0 Plus 1: 735 Wp / 23.7%). Eight power variants (700–735 Wp) allow precise configuration matching for projects of varying scale.

BYD — BNEF Tier 1, Manufacturer with a 30-Year Track Record

BYD is listed as a bankable Tier 1 manufacturer by BNEF (Q1 2026), a prerequisite for third-party project financing. Founded in 1995, the company is a diversified global manufacturer operating across EVs, energy storage, and PV — minimizing bankruptcy risk and underpinning the credibility of its 30-year power warranty.

Trade-offs
Product Warranty Limited to 12 Years

A 12-year product warranty falls below the premium standard for the high-power HJT/TOPCon segment, where leading manufacturers offer 15–25 years (e.g., REC Alpha: 25 years, Panasonic EverVolt: 25 years). In the context of a 30-year power warranty, this gap may raise questions about warranty coverage for mechanical defects during the mid-life period of the installation.

Higher Upfront Cost vs. TOPCon at Equivalent Efficiency

HJT technology carries 15–20% higher manufacturing costs than TOPCon (higher CAPEX, greater silver consumption), which is directly reflected in the module price. The peer comparable Jinko Tiger Neo 66HL5-BDV offers identical peak power (735 Wp) and efficiency (23.66%) in TOPCon technology at a lower per-unit cost — a potentially decisive factor in large commercial installations where $/Wp sensitivity is high.

Notes from the database
  • At 23.5% efficiency, this panel is on par with typical HJT 700-750W modules
  • 235.0 W/m² power density - 4.8 W/m² more than HJT 700-750W median (230.2 W/m²), more power per roof area
  • Temperature coefficient of -0.24%/°C matches the HJT 700-750W median
  • 90% bifaciality enables rear-side power generation, boosting yield by 4-14% on reflective surfaces
  • #716 for efficiency, #13 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 730 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.50 % Strong Segment median 23.02%
Vmpp · Impp 42.32 V · 17.26 A Operating point at max power
Voc · Isc 50.37 V · 18.35 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 38.3 kg Strong Strong · top 23%
Cells 132 · HJT Monocrystalline
Bifaciality 90 % Rear output as a share of front
Coefficient Pmax -0.240 %/°C Typical median -0.240 of its segment
Coefficient Voc · Isc -0.220 · 0.040 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 638 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by BYD in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 730 Wp appear here. The rest cover the whole series.

30-Year Linear Power Warranty vs. Industry Standard 30-Year Linear Power Warranty vs. Industry Standard Whole series

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
-0.240 %/°C against a segment median of -0.240
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Alternatives

All BYD panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
BYD HSBK-33-730 730 W 23.50% -0.240 38.3 kg You are here
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg -50 W, lighter, +1.7 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg -30 W, lighter, +1.5 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg -35 W, lighter, +1.4 pp
AIKO-A690-MAE78Dw 690 W 24.70% -0.260 34.5 kg -40 W, lighter, +1.2 pp
AIKO-A685-MAE78Dw 685 W 24.50% -0.260 34.5 kg -45 W, lighter, +1.0 pp
TSM-NEG21C.20Q-760 760 W 24.50% -0.260 38.3 kg +30 W, hotter, +1.0 pp
AIKO-A680-MAH78Dw 680 W 24.30% -0.260 34.7 kg -50 W, lighter, +0.8 pp
GK-4-78HGBD-780M 780 W 24.30% -0.260 38.7 kg +50 W, hotter, +0.8 pp
AIKO-A780-GRH78Dw 780 W 24.30% -0.260 39.8 kg +50 W, hotter, +0.8 pp
MSBK-33 645 645 W 20.76% -0.328 38.7 kg -85 W, hotter, -2.7 pp
MSBK-33 650 650 W 20.92% -0.328 38.7 kg -80 W, hotter, -2.6 pp
MSTK-33 655 655 W 21.10% -0.328 33.9 kg -75 W, hotter, -2.4 pp
MSTK-33 660 660 W 21.26% -0.328 33.9 kg -70 W, hotter, -2.2 pp
MSBK-33 665 665 W 21.41% -0.328 38.7 kg -65 W, hotter, -2.1 pp
MSBK-33 670 670 W 21.57% -0.328 38.7 kg -60 W, hotter, -1.9 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +75 W, hotter, +1.6 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 HJT technology used in the BYD HALO HSBK-33 series and how does it differ from conventional panels?
HJT (Heterojunction Technology) combines crystalline silicon cells with a thin amorphous silicon layer, enabling the BYD HALO HSBK-33 panels to achieve zero LID and PID losses along with an exceptionally low temperature coefficient of -0.30%/°C. This means that during summer heat, these modules lose significantly less power than lower-cost P-type modules, and over the entire 30-year product lifetime their output degrades at well under 0.7% per year.
What warranty coverage applies to the BYD HALO HSBK-33 panels and what does it include?
The HALO HSBK-33 series is backed by a 12-year product warranty covering material and workmanship defects, as well as a 30-year linear power output warranty. The linear power warranty means the manufacturer commits to maintaining a defined performance level for three decades — one of the longest power guarantees available on the market — which significantly reduces long-term investment risk.
Are the BYD HALO HSBK-33 panels bifacial, and how much additional energy do they generate from the rear side?
Yes, the HSBK-33 series are bifacial modules with a bifaciality factor of up to 95%. In practice, with good ground albedo — such as light-colored gravel, a white roofing membrane, or snow cover — the rear side can generate between 5% and up to 30% additional energy compared to front-side-only output. The greatest bifacial gains are realized in ground-mount and carport installations, though a measurable benefit is also observed on flat rooftop systems.
Is 735 Wp too large for a residential rooftop, and how should the number of BYD HALO HSBK-33 panels be sized?
At 735 Wp, this is a large-format module designed primarily for commercial installations and larger prosumer systems. For a typical 10 kWp residential system, only 14 modules would be required, resulting in fewer string connections and lower balance-of-system (BoS) installation costs. Before purchasing, it is important to verify the load-bearing capacity of the roof structure, as modules in this power class have larger dimensions and greater weight than standard 400–450 Wp panels.
How do the BYD HALO HSBK-33 panels perform on overcast days typical of the Polish climate?
HJT technology exhibits excellent responsiveness under diffuse light conditions, making these modules particularly well-suited to Poland's climate, where clear-sky days are limited in number. The low temperature coefficient (-0.30%/°C) also means that cool, sunny days in spring and autumn yield higher energy output compared to older P-type BSF modules. Users can expect consistent energy production throughout the entire year.
Is BYD a reliable solar panel manufacturer, and what does Tier 1 status mean?
BYD is a Chinese technology conglomerate with a leading position in the battery storage and electric mobility markets, classified as a Tier 1 manufacturer by Bloomberg NEF. Tier 1 status confirms the company's financial stability, consistent production quality, and ability to honor long-term warranties. For investors in Poland, this provides genuine assurance that the manufacturer will remain in business throughout the entire 30-year power output warranty period.
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