1. Brief Introduction:
The 450W TOPCon Monocrystalline Solar Panel is designed for high efficiency and durability. Utilizing advanced TOPCon (Tunnel Oxide Passivated Contact) technology, it delivers excellent energy conversion, making it a perfect choice for residential and commercial applications. This panel offers high power output, superior performance in various environmental conditions, and long-term reliability, ensuring sustainable energy generation and cost savings.
2. Data sheet under STC condition:
Maximum power at STC (Pmax) |
410W |
415W |
420W |
425W |
430W |
435W |
440W |
445W |
450W |
Optimum operatingvoltage (Vmp) |
31.35V |
31.47V |
31.60V |
31.66V |
31.80V |
31.88V |
32.00V |
31.04V |
32.21V |
Optimum operating current (lmp) |
13.08A |
13.19A |
13.29A |
13.42A |
13.52A |
13.65A |
13.75A |
13.89A |
13.97A |
Open-circuit voltage (Voc) |
37.89V |
37.94V |
38.00V |
38.06V |
38.22V |
38.44V |
38.66V |
38.82V |
39.04V |
Short-circuit current (lsc) |
13.52A |
13.84A |
13.96A |
14.09A |
14.20A |
14.33A |
14.44A |
14.58A |
14.67A |
Module efficiency (%) |
20.98% |
21.24% |
21.5% |
21.75% |
22% |
22.26% |
22.52% |
22.78% |
23.03% |
STC: lrradiance 1000W/m2,Module temperature 25°C,AM=1.5
NMOT: irradiance 800w/m2,wind speed: lm/s ,Module temperature 20°C
Tolerance of Pm: 0~+5W |
3. Mechanical Parameters:
Cell |
N Type Mono-crystalline silicon solar cells |
Cell Size |
182mm*91mm |
Cell Quantity |
108Pcs(6*18) |
Dimension of module |
1723mmx1134mmx30mm |
Weight |
20.5kg |
Junction Box |
Separated Junction Box with 3 diodes |
Output Cables |
4mm2 |
Max. Static LDs (Front) |
5400kpa |
Max. Static LDs (Back) |
2400kpa |
Hail Test |
Diameter:25mm,with speed: 23m/s |
Glass |
3.2mm |
Package |
36PCS/Package/Pallet 420Pcs/20'GP (2pcs/carton) 936pcs/40'HQ |
Protection Grade |
Class ll |
Fire Protection Class |
lEC Class C |
4. Rated Parameters:
Short-circuit current temperature coefficient |
(0.065±0.015)%/ºC |
Open-circuit voltage temperature coefficient |
(80±10)mV/°C |
Peak power temperature coefficient |
(0.5±0.05)%/°C |
NOCT (Air 20ºC; Sun 0.8kw/m wind 1m/s) |
47±2°C |
Operating temperature |
-40ºC to 85°C |
Maximum system voltage |
1500V DC |
Power tolerance |
±1% |






5. FAQ:
Q: Are you a factory or a trading company?
A: We are a professional Solar Panels and solar Storage Batteries Manufacturer in China.
Q: How can we guarantee the product's quality?
A: Always provide the esteemed buyer with a pre-production sample before mass production; Always testing every product before despatching the shipments if possible.
Q: What products can we supply you?
A: Solar panels, inverters, mounting systems, batteries, PV cables, distributor boxes, PV connectors, etc.
Q: Where is your Manufacturer located? How can I visit there?
A: Our factory is in House 102, Building 21 Hi-tech Liandong U Valley, Zhuguang Street, Gaoyi Road, High-tech Zone, Weifang City, Shandong Province, China.
Q: Can the product's pricing be cheaper?
A: Of course, you will be offered a very good discount with large quantities.
Q: Can print our company's logo on the PV panels?
A: Yes! And we accept the OEM&ODM orders.
Q: Where can I install solar panels?
A: The ideal place to install solar panels is on a sloping roof, as the panels work best when angled towards the sun. But if you can't do that, there are a few other options available to you:
Q: What are the advantages of your company?
A: 1. Competitive Pricing: As a manufacturer of solar panels and energy storage batteries, we offer very favorable prices;
2. Reliable Delivery: We ensure controlled and timely delivery for all orders;
3. Proven Track Record: With over 1,000 photovoltaic plant projects completed, we've pioneered multi-channel collaboration methods, ensuring successful project execution and continuous benefits for clients. One-time investment, 25-30 years of ongoing returns;
4. Expert Team: Over 10 years of experience in the photovoltaic industry, supported by a professional design team, installation team, and after-sales service team, delivering comprehensive expertise.
Q: May I have a piece of sample to check the quality?
A: Welcome to place the testing order to check the quality or for testing.
Q: May I have a piece of sample to check the quality?
A: Welcome to place the testing order to check the quality or for testing.
Q: How about the delivery time?
A: 15-20 days after receiving your payment.
The specific delivery time depends on the items and the order quantity.
Q: How about the delivery time?
A:15-20 days after receiving your payment.
The specific delivery time depends on the items and the order quantity.
Q: Where is the port of loading?
A: Qingdao, Ningbo, Shenzhen, Shanghai.