COB High Lumen LED Headlight Bulbs H13 H11 9005 Hb3 H7 H4
|Lamp Body Material||Aluminum||Working Temperature(℃)||-40 - 60|
|Led Light Source||COB||Working Lifetime(hour)||50000|
COB High Lumen LED Headlight Bulbs,
H11 High Lumen LED Headlight Bulbs,
Hb3 LED Headlight Bulbs
Wholesale Auto Car Led Headlight Bulb High Power H13 H11 9005 Hb3 H7 Led H4 Car Led Headlights Led Car Lights Auto Bulbs
Etclite I6 Pro Auto 9005 Led Bulb Headlight For Car
|Product Name:||Car LED Headlights|
|Advantages:||China Direct Factory|
|OEM/ODM:||Welcome (Mixed Colors Acceptable)|
|Payment:||T/T, Western Union, Credit Cards, Trade Assurance etc.|
|Delivery Time:||7-14 days (for stock goods)|
|Packaging Detail:||OEM package, carton package, custom-made package|
Electric properties – why too much current is damaging
If voltage is applied to an LED, the resistance falls to zero. LEDs are extremely sensitive components, and if the permissible current is exceeded even by a small quantity, they may be destroyed. Therefore it is important never to connect LEDs directly to a voltage source. They may only be connected if a current limiter or series resistor is built into the circuit. High-power LEDs are controlled via an electronic ballast that provides a constant current.
The adjacent graphic shows the circuit required for an optional functioning of the LED. In this case, a series resistor is used as a limiter which controls the forward current IF that flows through the LED. In order to choose the proper resistor, the forward voltage UF must be determined beforehand.
In order to calculate the series resistor RV, you need to know the total voltage, the forward voltage and the forward current.
Q: Product warranty ?
A: 14 months
Q: Is sample availabel ?
A: Yes. Sample order is acceptable
Q: What is terms of packing?
A: Normally we use neutral package.
Q: What is your terms of payment?
A: TT, Paypal, Western Union etc.
Q: How much will the shipping charges be?
A: Depends on the size of your shipment and the method of shipping. It's better to let us know your quanity and shipping way before asking shipping cost.
Q: How long does it take to produce?
A: 7-15 working days are possible to finish your order if raw materials are in stock.