Product Name: 5kw Factory Price Solar Power Panel PV Home Solar System off Grid Solar System Model NO.: JS-off-5KW Material: Monocrystalline Silicon Certification: ISO, CE, RoHS,IEC Condition: New Application: Light Industry Number of Cells: 72pcs Warranty: 10 Years Vm: 30V Im: 8.33A Voc: 35.7V Isc: 9.16A Package: 1PCS/Carton Max Power: 250W Solar Cell: A Grade 156*156mm frame: Anodized Aluminum Alloy Trademark: kinsunsolar Transport Package: by Pallet Specification: 1650*992*40 Origin: China Product Description Q: What material of solar panel?A:Solar photovoltaics are made with anumber of parts, the most important of which are silicon cells. Silicon, atomic number 14 on the periodic table, is anonmetal with conductive properties that give it the ability to convert sunlight into electricity. When light interacts with asilicon cell, it causes electrons to be set into motion, which initiates aflow of electricity. This is known as the "photovoltaic effect."Q: What about the leading time?A: In general, the leading time is about 7to 10 days. But please confirm the exact delivery time with us asdifferent products and different quantity will have different leading time.Q: How about the packing and shipping?A: Normally, we have carton and pallet for packaging. If you have any other special requirements, please feelfree to contact with us.Q: How about custom logo and other OEM?A: Please contact with us to make sure the detailed things before placing order. And we will help you makethe best effect. We have talented engineer and great team work.Q: Is safety of the product?A: Yes, the material is Eco-friendly and non-toxic. Of course, you can also make atest on it.ConTACT USFactory Address:No.18,Dongfeng south road, Baiyun district,Guangzhou,China