Monocrystalline silicon solar panels are more efficient than polycrystalline solar panels and can generate more electricity per square foot. They also last longer and can withstand higher temperatures. For household photovoltaic power generation systems, the utilization area of single crystal will be relatively high, and the area utilization rate of single crystal will be better.Monocrystalline silicon solar panel, a solar panel made of high-purity monocrystalline silicon rods, is currently the fastest-developing solar panel. Its structure and production process have been finalized, and the products have been widely used in space and ground. The photoelectric conversion efficiency of monocrystalline silicon solar panels is about 15%, the highest reaches 18%, which is the highest photoelectric conversion efficiency among all types of solar panels. Because monocrystalline silicon is generally encapsulated with tempered glass and waterproof resin, it is durable and its service life can generally reach 15 years, and the maximum can reach 25 years. 440W solar panels are used in various applications including residential and commercial solar systems. The 440W solar panel is an excellent choice for those looking to power their home with renewable energy. From powering homes to charging electric cars and boats, the potential for monocrystalline silicon is limitless. With proper setup and installation by a professional, you can reap all the benefits of clean energy in no time!

Electrical Performance Parameters
Model	TX-400W	TX-405W	TX-410W	TX-415W	TX-420W
Maximum power Pmax（W）	400	405	410	415	420
Open Circuit Voltage Voc （V）	49.58	49.86	50.12	50.41	50.70
Maximum power point operating voltageVmp （V）	41.33	41.60	41.88	42.18	42.47
Short Circuit Current  Isc （A）	10.33	10.39	10.45	10.51	10.56
Maximum power point operating currentImp （V）	9.68	9.74	9.79	9.84	9.89
Component Efficiency （％）	19.9	20.2	20.4	20.7	20.9
Power Tolerance	0～+5W
Short-Circuit Current Temperature Coefficient	+0.044％/℃
Open Circuit Voltage Temperature Coefficient	-0.272％/℃
Maximum Power Temperature Coefficient	-0.350％/℃
Standard Test Conditions	Irradiance 1000W/㎡, battery temperature 25℃, spectrum AM1.5G
Mechanical Character
Battery Type	Monocrystalline
Component Weight	22.7Kg±3％
Component Size	2015±2㎜×996±2㎜×40±1㎜
Cable Cross-Sectional Area	4mm²
Cable Cross-Sectional Area
Cell Specifications And Arrangement	158.75mm×79.375mm、144（6×24）
Junction Box	IP68、ThreeDiodes
Connector	QC4.10（1000V），QC4.10-35（1500V）
Package	27 pieces / pallet

Monocrystalline silicon solar panels consist of a single silicon crystal, and when sunlight hits the monocrystalline panel, photons knock electrons out of the atoms. These electrons flow through the silicon crystal to the metal conductors on the back and sides of the panel, creating an electrical current.1. User solar power supply, home roof grid-connected power generation system, etc. 2. Transportation field: such as beacon lights, traffic/railway signal lights, traffic warning/sign lights, Yuxiang street lights, high-altitude obstruction lights, highway/railway wireless telephone booths, unattended road shift power supply, etc. 3. Communication/communication field: solar unattended microwave relay station, optical cable maintenance station, broadcast/communication/paging power system; rural carrier telephone photovoltaic system, small communication machine, GPS power supply for soldiers, etc. 4. Other areas include: (1) Matching with cars: solar cars/electric cars, battery charging equipment, car air conditioners, ventilation fans, cold drink boxes, etc.; (2) Regenerative power generation system for solar hydrogen production and fuel cell; (3) Power supply for seawater desalination equipment; (4) Satellites, spacecraft, space solar power plants, etc.Q1: Are you a factory or trade company? A: We are a factory who has more than 20 years experience in manufacturing; strong after sale service team and technical support. Q2: What's the MOQ? A: We have stock and semi-finished products with enough base materials for new sample and order for all models, So small quantity order is accepted, it can meet your requirement very well. Q3: Why others price much cheaper? We try our best to ensure our quality to be the best one in the same level price products. We believe safety and effectiveness are the most important. Q4: Can I have a sample for testing? Yes, you are welcome to test samples before quantity order; Sample order will be sent out 2- -3 days generally. Q5: Can I add my logo on the products? Yes,OEM and ODM are available for us. But you should send us the Trademark authorization letter. Q6: Do you have inspection procedures? 100% self-inspection before packing