Product Overview & System Integration
Xiamen Hemao Industry manufactures lightweight solar panels specifically engineered for low-load-bearing commercial roofs, RVs, and curved architectural surfaces. These modules eliminate the need for heavy aluminum rails and ballast systems, reducing total system weight by up to 15kg/m². Our factory provides deep customization, including bespoke PCB circuit design, custom dimensions for specific roof spans, and OEM branding for regional wholesalers. Fully compatible with mainstream MPPT controllers and hybrid inverters (48V/100V+ systems), these panels serve as the core component for off-grid and grid-tied distributed energy projects where structural integrity is a constraint.

Material & Technical Specifications
| Product Name |
High-Efficiency Single-Sided Lightweight 440W Module |
| Battery Cell Type |
N-type |
| Battery arrangement |
108(6*18) |
| Frame |
Bezel-less |
| Output wires |
4mm²(IEC) 12AWG(UL) ±1200mm |
| Weight |
8.6kg ±3% |
| Size |
1762*1134*30mm |
| Packing |
36 pieces/pallet 216 pieces/20' GP container, 936 pieces/40' HC container 1008 pieces/13.5-meter flatbed truck 1728 pieces/17.5-meter flatbed truck |
|
Back plate |
White |
|
Front |
Transparent |
|
Connector |
MC4 compatible |
|
Junction box |
IP68, 3 diodes |

Quality Control & Global Standards
Every batch undergoes 100% Triple EL (Electroluminescence) testing to detect micro-cracks before and after lamination. Our production line adheres to ISO 9001 standards, with products verified by TUV, CE, and RoHS certifications. We perform rigorous aging tests, including 2,000 hours of damp-heat exposure and thermal cycling, ensuring zero delamination in high-humidity tropical or salt-mist coastal environments.


Product Details
Lightweight Solar Panel Assembly Drawing Engineering Drawings (Unit: mm)
*Length: ±2mm Width: ±2mm

Electrical Performance Parameters (Under Standard Test Conditions)
|
Model |
Lightweight 435W Solar Panel |
Lightweight 440W Solar Panel |
Lightweight 445W Solar Panel |
Lightweight 450W Solar Panel |
||||
|
Test Conditions |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
|
Maximum Power (Pmax) [W] |
435 |
330 |
440 |
334 |
445 |
338 |
450 |
341 |
|
Open-Circuit Voltage (Vo-) [V] |
40.37 |
38.32 |
40.47 |
38.41 |
40.57 |
38.51 |
40.67 |
38.6 |
|
Maximum Power Point Operating Voltage (Vmp) [V] |
34.13 |
3239 |
34.23 |
32.49 |
34.33 |
32.58 |
34.43 |
32.68 |
|
Short-Circuit Current (Isc) [A] |
13.75 |
11.09 |
13.84 |
1116 |
13.93 |
11.24 |
14.02 |
11.31 |
|
Maximum Power Point Operating Current (Imp) [A] |
12.75 |
10.2 |
12.86 |
1029 |
12.97 |
10.38 |
13.08 |
10.46 |
|
Efficiency(%) |
21.8 |
22.0 |
22.3 |
22.5 |
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|
|
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* STC: AM1.5 1000W/m² 25℃ NOCT: AM1.5 800W/m² 20℃ 1m/s
* Power tolerance: 0 to +3%
Packaging & Logistics Safety
As a specialized bulk exporter, Hemao utilizes Category 9 hazardous goods compliant packaging for integrated energy systems. Lightweight panels are packed in vertical high-density foam crates within reinforced 5-layer corrugated master cartons. For sea freight, we employ fumigated ISPM-15 wooden pallets with edge protectors and anti-static wrapping to prevent vibration damage during container transit.
Typical Application Scenarios

Typical Application Scenarios
Choose the plan that suits you best.
Commercial/Industrial Roofs
Steel-structured warehouses with limited dead-load capacity.
01
Transportation
RV, marine, and heavy-duty truck cabin power integration.
02
Remote Infrastructure
Telecommunication base stations and solar water pumping systems.
03
Portable Power
Foldable or semi-flexible arrays for emergency response units.
04
FAQ
How does the lightweight solar panel mounting system withstand high wind speeds without mechanical fasteners?
Our lightweight modules utilize high-strength structural adhesives or specialized TPO/PVC welding strips. This bonding method distributes wind uplift forces across the entire surface area of the panel rather than concentrating stress on bolt points, allowing the system to withstand wind loads up to 2400Pa (approx. 130mph).
Can these panels be customized for specific voltage requirements in off-grid telecom projects?
Yes. Xiamen Hemao provides OEM circuit layout services. We can adjust the internal string configuration (series vs. parallel) to match specific battery bank voltages (12V, 24V, 48V) or charge controller input windows, ensuring maximum MPPT tracking efficiency for industrial remote sensing or telecom equipment.
What is the power degradation rate of ETFE-coated panels compared to traditional glass modules?
Hemao uses high-grade UV-stabilized ETFE. The power degradation is strictly controlled within 2% in the first year and <0.55% annually for 25 years. This linear performance is guaranteed by our vacuum lamination process, which prevents moisture ingress and acetic acid formation common in low-quality polymer panels.
Call to Action
Request a Technical Datasheet & Wholesale Project Quote. Secure factory-direct pricing for your next EPC project. We provide full system wiring diagrams and structural load calculations within 24 hours.
Batch OEM Samples Available for salt-mist and PID verification.
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