COB Epistar LED Bulb Light Aluminum Radiator E27/E26 7W

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$5.63 / pc
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Min Order Qty:
20PCS pc
Supply Capability:
200000 Pcs Per Month pc/month

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Product Description:


General Introduction

LED Bulb provides increased life when compared to less-efficient incandescent light sources. They improve ambiance, energy-efficiency and comfort in your home while delivering performance you can count on. 



1. Super Stable:Long time burning before shipment,

2. High-quality service:Three years warranty,7*24 Hotline&E-Mail Technical support

3. The Best Quality:Only using well-known brand led chip,Long-term stable suppliers to ensure that the raw material quality

4. Ultra energy efficient: 1W LED =2W Fluoerecent= 10W Incandescent

5. Long lifetime: 50000 hours led life span, 10 times to Fluoerecent,50 times to Incandescent

6. Environment and health protection: No UV &IR light, No Mercury, No flash, visual comfort

7. Solid-state light source:Distant range transport safety 



Light up colorful home life ,DIY household lights for hallways, stairs, trails ,windows,

Light up colorful life hotels decoration use,Theaters, clubs, shopping malls, Dining-room,meeting room telephone booth, light box, showroom,studio and exhibition etc


Customized options

1. Customized label/ Logo can be made onto Product or box.

2. OEM/ODM are avaliable.


Packing & Delivery



 1 x Bulb

 1 x Inner Box



Shipping Service

Estimated Delivery Time


2-8 business days


3-8 business days


2-10 business days


1-7 business days


6-14 business days


7-12 business days

China Post Air Mail

7-15 business days

China Post SAL

14-30 business days

By Sea

30-40 business days

1. 3-5 business days for Sample Orders; 7-15 business days for Bulk Orders for Bulk Orders.

2. "Business days" means Monday-Friday, excluding holidays.

3. DHL and UPS cannot ship to military or P.O. boxes address

4. The Shipping Service above is for reference only, for any other questions, please feel free to contact us.



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Q:What's the reason for the LED bulb strobe?
8W offline LED driver GreenPoint reference design with solid state lighting standard energy star "as an example, the sine wave regulator side flyback power conversion does not provide constant energy to the primary bias, dynamic self supply (DSS) circuit can be activated and the light induced flicker. To avoid this problem, it is necessary to allow primary bias to be discharged at each half cycle, and accordingly, the values of the capacitance and resistance that constitute the bias circuit need to be appropriately chosen.
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:Why can't the voice switch control the time of the LED bulb?
The power of LED bulb is much less than that of incandescent lamp, and the control loop and light bulb of simple sound control lamp are connected in series, and the load is different and the time delay is different
Q:LED thread specifications for bulb bulbs?
Commonly used thread specification: E27 screw.Commonly used household ordinary E27 spiral lamp holder;
Q:What's the difference between a glass cap for a bulb and a PC hood?
1, impact strength comparisonPC and glass is the biggest difference resistance shock, PC is transparent plastic, the most resistant to impact, smashing not broken.Similarly, PC is 200-300 times the impact resistance of glass. PC is 30-50 times the impact strength of PMMA acrylic.
Q:What are the types of LED bulb?
power LED bulb is the traditional incandescent lamp 1/10, half of the power of the energy-saving lamp, high efficiency and energy saving is the best
Q:What's the cause of the noise during the aging of LED bulb bulbs?
This should be the power problem. It's easy to make a noise because there are so many parts of the power supply.
Q:LED bulb w can replace 40W incandescent lamp
The standard of luminous flux according to the luminaire is lumen (LM). Incandescent lamps are w 11-12lm per 40w=440-480lm
Q:LED what is the glue between the aluminum base of the bulb and the cooling aluminum?
Heat conductive adhesive is best.Heat conductive adhesive, also known as thermal conductive silica gel. Organic silica gel as the main body, adding fillers, thermal conductive materials and other polymer materials, mixed by silica gel, has better thermal conductivity, electrical insulation performance, widely used in electronic components. Also known as: thermal silica, silicone rubber, silicone heat, thermal conductivity of silicone. The accelerator is used to solidify a transformer, transistor, and other heating elements onto a printed circuit board assembly or radiator
Q:Ordinary lamp LED bulb can?
No problem, the heating LED bulb is mainly aluminum shell above on the lamp body, a lamp holder will not affect the interface, and the heating temperature does not exceed 60 degrees, and the plastic cap interface at least 160 degrees above the melting point, so is not affected on the lamp interface, you can rest assured that use
Our company specializes in exporting all kinds of LED products and toys. Like LED bulb light, LED Tube, LED strip, LED flood light, LED tunnel light, LED miner's labor lamp, LED corn light, LED global light etc. Our products sell well in Hong Kong, Taiwan area, Europe, the United States and southeast Asia.

1. Manufacturer Overview

Location Zhongshan,China
Year Established 2010
Annual Output Value
Main Markets

Mid East;Western Europe
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shenzhen
Export Percentage
No.of Employees in Trade Department 30 People
Language Spoken: Chinese
b)Factory Information  
Factory Size: Above 4,000 square meters
No. of Production Lines About 6
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Cheap and professional