Half Cell Mono Facial Longi 450w Solar Panel Poly Crystalline 166mm Wholesale LR4-72HPH-450M
Electrical Characteristics STC : AM1.5 1000W/m² 25°C NOCT:AM1.5 800W/m² 20°C 1m/s Test uncertainty for Pmax:土3%
Module Type | LR4-72HPH-445M | LR4-72HPH-450M | LR4-72HPH-455M | LR4-72HPH-460M | LR4-72HPH-465M |
Testing Condition | STC NOCT | STC NOCT | STC NOCT | STC NOCT | STC NOCT |
Maximum Power (Pmax/W) | 445 334.3 | 450 338.0 | 455 341.8 | 460 345.5 | 465 349.3 |
Open Circuit Voltage (Voc/V) | 49.1 46.2 | 49.3 46.4 | 49.5 46.5 | 49.7 46.7 | 49.9 46.9 |
Short Circuit Current (Isc/A) | 11.53 9.35 | 11.60 9.41 | 11.66 9.46 | 11.73 9.51 | 11.79 9.56 |
Voltage at Maximum Power (Vmp/) | 41.3 38.4 | 41.5 38.6 | 41.7 38.8 | 41.9 39.0 | 42.1 39.2 |
Current at Maximum Power (Imp/A) | 10.78 8.70 | 10.85 8.75 | 10.92 8.81 | 10.98 8.86 | 11.05 8.91 |
Module Efficiency/(%) | 20.5 | 20.7 | 20.9 | 21.2 | 21.4 |
Operating Parameters
Operational TemPerature | -40°C - +85°C |
Power Output Tolerance | 0-3% |
Voc and Isc Tolerance | 土3% |
Maximum System Voltage | DC1500V (IEC/UL) |
Maximum Series Fuse Rating | 20A |
Nominal Operating Cell Temperature | 45土2°C |
Protection Class | Class II |
Fire Rating | UL type 1or2 IEC ClassC |
Front Side Maximum Static Loading | 5400Pa |
Rear Side Maximum Static Loading | 2400Pa |
Hailstone Test | 25mm Hailstone at the speed of 23m/s |
Temperature Ratings (STC)
Temperature Coefficientof Isc | +0.050%/°C |
Temperature Coefficientof Voc | -0.265%/°C |
Temperature Coefficient of Pmax | -0.340%/°C |
Specification
item | value |
place of Origin | China Jiangxi |
Brand Name | LONGI |
Model Number | LR4-72HPH-450M |
Cell size | 166mmx166mm |
Type | Half Cell |
Panel Efficiency | 20.7% |
Certificate | CE |
Warranty | 25 Years |

Product advantages
100% Inspection
Before and After Lamination. Most stringent acceptance criteria and tightest tolerance, Intelligent alarm and stop mechanism in
case of any deviation or errors.
100% EL Testing
Before and Following Lamination Ensure "Zero" micro crack monitoring before final Inspection, Continuous line monitoring and
video/photo record for each cell and panel.
100% Optimal Testing
Ensure 3% Positive Power Tolerance
Comprehensive QC information management system with barcode ID, Quality traceable system in place to allow quality data flow
constantly.
100% Cells Sorting
Ensure Colour and Power Difference.
Ensure high yields, consistent performance and durability, First of 52 steps strict quality control and inspection process.

Fuzhou Thinmax is a solar company located at the city Fuzhou which is the capital of Fujian province. We have about 50 office colleagues and 100 factory colleagues. With the professional colleagues and over 10 years experience of dealing with solar system, we are able to provide 100% satisfying service for customers. Not only for the ready products but also the customized products. In order to make the ship more fluently. We have cooperated with more than 20 shipping companies. After customers place the order. We will always choose the cheapest and reliable one to arrange the shipment. When customers have received the items. We have professional technician ready for customers if they have any problems.
Q1: What is the delivery time?
A1: It's according to the model. We will ship the items within 3 days if the items in stock.
Q2: What ways of payment do you accept.
A2: We can accept LC, Paypal, Credit card, etc.
Q3: Will you provide shipping sevice?
A3: Yes. We will choose the best shipping way and shipping company for the customers according to the demands.
Q4: What if we have problems after sale?
A4: Don't worry. We have professional technicians ready for our customers who can take care of the problems.
Q5: What is the minimum quantity?
A5: We can send a sample to you. If you are satisfied with our products and service. Please place larger quantity to us.
Q6: Are the inverters original?
A6: Yes. Of course. If it's not. We will return all money back to you.