LED Bulb Light High Quality Led Bulb E27 4w TUV-GS, CE, RoHs High Luminous Efficiency

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Loading Port:
Ningbo
Payment Terms:
TT or LC
Min Order Qty:
3000 pc
Supply Capability:
100000 pc/month

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Product Description:



Description:

 



Model:

B50AP

Input Power:

4W

Input Voltage:

220-240V

Working Frequency:

50Hz

Lumens:

323lm

CCT:

2900-7000K

CRI:

>80Ra

Beam Angle:

270 degree

Housing Material:

Aluminium Plastic  

PF:

>0.5

LED Working Life:

30000hrs

Working Temperature:

-20°C to   +50 °






Advantage:

 

1.Longer life


2.High luminous efficiency


3.Pure light color


4.Energy-saving


5.No radiation safe for body


6.No flickering & good for eyes


7.Low heat generation


8.Completly replace the incandescent bulb


9.Good Service:We treat client as friend


10.Good Quality:We have strict quality control system. Good reputation in the market.


11. Good heat dissipation and  unbreakable.


Our Innovation:

 

Quality & Service At YYLighting, our first priority has always been providing our clients with great quality products and superior customer service.


Quick LeadTime We're dedicated to provide the quickest turnaround times and work very hard to ensure that all of your deadlines are met.


Unbeatable prices We continusly strive to find ways of reducing our production costs, and passing the savings over to you.


Brand Awareness The goal of any strong brand is achieving a level of awareness that instills the idea of quality and value into all of your potential customers.



Application:

 

1.Residential Buildings,  Home


2.Office, Meeting Room


3.School, Library


4.Factory, Warehouse


5.Hotel, Casino


6.Parking Garage


7.Hospital


8.Commercial Center


9.Supermarket, Shopping mall





Trade Terms:

 

1>Sample lead time: 5-7days


2>Bulb lead time: 3-4 weeks


3>Payment: T/T, western Union or Paypal


4>Shipping: By Express(EMS, DHL, UPS etc), By Air or By Sea


5>Logo/Design: According to customers' requirement



FAQ

 1.   How long will my inquiry get response?

 Your inquiry related to our products or prices will be replied within 24 hours.  

 2.  Can I get professional service and suggestion?

Well-trained and experienced staffs to answer all your questions in fluent English.  

 3.  Do you accept OEM or customized design?

OEM & ODM, any your customized lightings we can help you to design and put into product.

 4.  What if I need specific design?

Distributorship are offered for your unique design and some our current models.

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Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Is there any flicker in the LED bulb?
That should be a combination of small power and multiple LED lights! The main reason is the strobe power problem, to tell the truth, I do not set the LED power supply, improvement in the well to be unable to give you much help, our production of LED products, the procurement of materials and parts suppliers will request strobe or in the power supply design problem, if you want to buy LED products, especially is the bulb, I suggest you buy a large power assembly (i.e., the shell is Aluminum Alloy)!
Q:Who knows where the broken LED bulb is?
Common problems, a lamp is broken, the heat is not good cause, most likely it is a bad driver. As for the aluminum substrate, it should not be bad
Q:What is the AC voltage of the LED bulb?
LED bulb is the appearance of the shape of the bulb - people have the habit of spherical internal light source is selected for LED lamp. With all the advantages of LED lamps: 1, energy saving, environmental protection; 2, long service life; 3, no stroboscopic, green.More energy-saving: LED lamp energy consumption is energy-saving lamp 1/4, incandescent lamp 1/10Long life: LED lamp life of up to 50 thousand hours, life expectancy is 3-5 times energy-saving lamps.More healthy: light evenly, no strobe, no glare, no UV and infrared.More environmentally friendly: no mercury vapor, harmful substances can be recycled to protect the green earth.Full color change: rich colors, vivid and delicate patterns and effects can be displayed.Installation convenience: simple installation, can replace incandescent lamp directly, maintenance cost is extremely low.
Q:Is it possible to manually weld LED bulb bulbs?
You can ignore the effect of heat conduction and thermal grease, solder is better, I was doing a lot of tests, the thermal conductivity of thermal grease is about 1.2 to 2, aluminum more than 300, thermal grease just to fill the bottom of the LED and the aluminum substrate contact surface gap, you don't fill gaps don't hinder it the normal contact with the aluminum substrate at the bottom of the LED, will be lost, and the use of thermal grease you for about a year will have to replace the thermal grease, only unscrupulous vendors will deceive others say I added thermal grease, heat conduction effect is not fully qualified, in fact, for a long time, the potential will LED light spot the chip inside the loose because of the long-term high temperature, causing the current growing, until completely off
Q:Will the LED bulb, T8, T5 lights, radiator lamps, is the hotter the better? What's the regular temperature? What are the common heat release materials? Specifications?
Of course, the hotter the better, because for the same material, the hotter it is, the more heat the LED chips use, the less good the quality of the chips. The thermal characteristics of lamps is mainly to measure the junction temperature of LED Shenglai rather than the temperature of heat sink. Aluminum is commonly used in heat dissipation materials.
Q:LED bulb lamp. Is there a good drive or no drive? Is the lamp of good or integrated?
Depending on your application and cost, there's no way to say which is absolutely good;If the occasion is appropriate and the cost is not urgent, buy a drive.
Q:LED how does the bulb return electricity?
What is reflow? Never heard of it. I am a lighting technician
Q:Where can LED bulb be used?
The surface of the lamp body is sprayed with high quality heat radiation paint, that is, the heat dissipation efficiency is ensured, and the appearance is elegant, and the utility model provides better guarantee for the low temperature work of the product.
Q:What is the 15 Watt lumen of the LED bulb?
In general, every W is 60 to 100lm, the average is about 80lm, 15W is about 1200lm
Q:I want to ask for high power LED bulb lamp wire inexplicably broke, and in large quantities. Is the quality of the lamp?
A sense of self is the following 1. package production process of wire bonding or partial welding weld. Whether the station is too large.2. through the current impact blanking line3. package factory using gold thread may be too fine

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