Longi High-Efficiency 640W to 670W Bifacial Solar Panels for Homes

• Customization: Available
• After-sales Service: Yes
• Warranty: 25 Years
• Model NO.: LR8-66HVD 640~670M
• Number of Cells: 72pcs
• Application: Solar System
• Condition: New
• Certification: CE, IEC 61215, IEC 61730,ISO9001,ISO14001,ISO45001
• Material: Monocrystalline Silicon
• Weight: 32.5kg
• Packing: 36PCS/Pallet, 720PCS/40'hq
• Connector: Mc4 Compatible Connector
• Junction Box: IP68, Three Diodes
• Cell: Mono
• No. of Cells: 132
• Frame: Anodized Aluminum Alloy Frame
• Glass: Dual Glass, 2.0+2.0mm Semi-Tempered Glass
• Keyword: High Efficiency Solar Panel
• Color: Balck
• Transport Package: Pallet
• Specification: 2382×1134×30mm
• Trademark: Longi
• Origin: China
• HS Code: 8541430090
• Production Capacity: 500000
• Package Size: 250.00cm * 130.00cm * 110.00cm
• Package Gross Weight: 1260.000kg

Product Description

 

Product Description

Type	LR8-66HVD-640M	LR8-66HVD-645M	LR8-66HVD-650M	LR8-66HVD-655M	LR8-66HVD-660M	LR8-66HVD-665M	LR8-66HVD-670M
Rated Maximum Power(Pmax) [W]	640	645	650	655	660	665	670
Open Circuit Voltage (Voc) [V]	49.52	49.62	49.72	49.82	49.92	50.02	50.12
Maximum Power Voltage(Vmp) [V]	40.78	40.88	40.98	41.08	41.18	41.28	41.38
Short Circuit Current(lsc) [A]	16.38	16.46	16.54	16.62	16.70	16.78	16.86
Maximum Power Current(lmp)[A]	15.69	15.78	15.86	15.94	16.03	16.11	16.19
Module Efficiency [%]	23.69	23.88	24.06	24.06	24.43	24.62	24.80
Power Tolerance	0~+3%
Temperature Coefficient oflsc(a lsc)	+0.050%/ºC
Temperature Coefficient of Voc (B Voc)	-0.220%/C
Temperature Coefficient of Pmax(y_Pmp)	-0.260%/ºC
STC	lrradiance 1000w/m2, cell temperature 25°C, AM1.5G

Packaging & Shipping

Project Cases

Company Profile

FAQ

1.What main products can you provide?

 

We can provide many series of solar products,mainly producing the solar panels, solar inverters,power wall,lithium ion

batteries,gel batteries and also all in one solar system solution according to your needs.

 

2. How is your technical support?

 

We can provide lifetime online support through WhatsApp/ Wechat/ Email. Any problem after delivery, we will offer you a video call anytime.

 

3. What about the lead time?

 

We can always deliver within 5-15 working days.The common products we always have the stock, it can be sent out within 15 days.While the big order needs to negotiate the finish production time and promise it to our customers.

 

4. Can you provide OEM service?

 

Yes, as a professional solar system manufacturer, we can provide customer-made service with OEM and on-site installationcomprehensive support, and after-sales services.

 

5. How can we guarantee quality?

 

We can provide a pre-production sample before mass production and also final inspection before shipment. We can also provide 24-hour after-sales service. Regardless of the time difference, we will solve the problem for you as soon as possible.

 

6. What's the payment term?

 

Accepted Delivery Terms: FOB, CIF, EXW, FAS, CIP, FCA, DDP, DDU.

Accepted Payment Type: T/T, L/C, PayPal.
 

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.