Factory Direct Led Desk Ligh

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Loading Port:: Guangzhou

Payment Terms:: L/C,T/T

Min Order Qty:: 500 Pieces pc

Supply Capability:: 8000 Pieces Per Month pc/month

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‍General Introduction

Factory Direct LED Desk Light

Feature

•Excellent heat management

•True glare, shadow,UV and flicker free

•Low heat accumulation

•Environmental friendly due to low consumption

•Long life span and recyclable material

•Green manufacturing process

Specifications

Product Name	6W LED models modern desks lamp
Brand Name	Mingkeda
Style and Type	Modern
Material	ABS
Dimension	Lamp shade:915cm Dia:17cm38cm
Color	Black/blue/white
Switch	Touch switch
Plug	Customized requirement is available
Power cable	Customized requirement is available
Certificate	CE,SAA,PSE
Electrical and optical parameter
LED Brand	Mingkeda
LED light source(W)	6W
Input Voltage(V)	100-240V
Luminous Flux Efficiency(Lm)	510
CRI(Ra)	85
Color temperature(CCT)	Warm white
Working temperature(°C)	-20°-60°
LED Lifespan(h)	50000
Warranty(years)	2

Export Information

Delivery Time	15-30days
Payment Terms	T/T, L/C
Package Details	1PC/GIF BOX
MOQ	1000 Piece

Packaging & Delivery

Package:

1 x Gif Box

Delivery:

Shipping Service	Estimated Delivery Time
DHL	2-8 business days
FedEx	3-8 business days
TNT	2-10 business days
UPS	1-7 business days
EMS	6-14 business days
ePacket	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. 3-10 business days for Sample Orders; 7-40 business days 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.

Q:Long amount of brand of LED desk lamp capacitor charging Fried v100uf 50: This kind of LED desk lamp, 220 v power supply is to step down by means of capacitance current limit, once the no-load, after rectification voltage will be increased to 310 v, 220 v x under the square root of 2), seconds kill the capacitance of the withstand voltage 50 v. So this failure, you must first check whether the no-load and load of power supply circuit is normal battery, check the battery cables are broken, the charging current limiting resistor is burned, if these are no problem to check current limiting capacitance itself isn't breakdown (usually the breakdown causes 220 v over-current, empty trip meeting).

Q:What is the battery charging led lamps use: We talk about the LED bulbs for first, namely light-emitting diodes (leds), the working voltage of it around 1 v, current dozens of ma can light it, this is also the characteristics of it can save electricity, because the LED working voltage is very low, if you wait until dark light bulb, it shows that the battery has been severely deficient electric (that's Achilles' heel of the battery). And as the power of its work the most time is also hundreds of ma maintenance-free lead-acid battery, you should say ten dollars, it is this), if is lead-acid batteries, will be added in time, only under the condition of the battery voltage and current saturated plate vulcanizing speed of the slowest, keep up with a three to five years is no problem. If your battery is lithium electricity or nickel, head a few times when the electricity again after filling completely (this is to activate the various chemicals inside), the time is 15 hours (around 500 ma charger) the following 14 hours, in use process (charger during normal use 200-300 ma, charging time of 8 hours) it is best not to let it lose the electricity charge again, li-ion battery and nickel electric prone to memory, long battery capacity will be more and more small, the last rush is full, one with no phenomenon, that is the life of the battery the end of the walk.

Q:What are led lamp accessories: Base, supports, lamp cover, LED lighting slab, connecting wires, switches, + 1, 220 v direct plug-in: transformer, rectifier steady pressure plate. + 2, USB plug type: USB cable, drive power panel

Q:With 10 v charger with 6 v rechargeable batteries used at the same time, that is used when mains mains, there is no mains automatic conversion electric battery. Three light bead is in series or parallel good? Add how much resistance? Step-down to to the charger? If I want the dimmer, should how to do, had better have circuit diagram: What is your 6 v battery batteries? Small battery (battery)? 10 v charger to see what the battery charger, if the battery can work with, if nimh electricity or lithium electricity will reduce the voltage. How much is the pressure light bulb? It is best to parallel, serial word broke a are not lit up. Add how much resistance depends on what you use the lamp, or led. The dimming added potentiator current limiting. How to do is very simple, still with the figure? Charger and battery, lamps (and) series of potentiometer. If it is nickel metal hydride batteries can't do, for a long time will seriously affect the battery life in charging status. The more complex.

Q:：Rechargeable led bulbs on the desk lamp is a few volts?: Voltage can be determined. You can also to baidu search, the introduction of this respect or many. I wish you well.

Q:So only the halogen lamp, but is low voltage halogen lamp, need a rectifier, and halogen lamp itself temperature is high, pay attention to the heat dissipation, color rendering index selected 90-100, color WenXuan 2700 k, the best for you.: Line loss, it is good to connect.Of course, can also according to component model and buy a change.

Q:New LED small rechargeable lamps filled with electricity or running: First power consumption, basically see your battery is what material, have the ability to remember. If nickel-chromium batteries will be used up first, then charge, you can't have the to lithium ion.

Q:I'm doing a LED desk lamp, can be through the outside light intensity automatically adjust the brightness of LED, using PWM technology, how to do excuse me: With photosensitive components after sampling the operational amplifier amplification, then send the feedback signal input terminal of the PWM controller, light to adjust the sensitivity of the feedback signal strength by adjusting the op-amp magnification (resistance), no need for A/D converter and SCM, that is too complex, workload big cost is high. A photosensitive diode, an op-amp, a PWM controller (e.g., UC3843), plus a few resistance capacitance inductance, there are ten yuan or so.

Q:Heard that LED save electricity, to follow the fashion, a grind, spent more than three hundred bought 6 LED bulbs, but less than 3 months finished bad, all manufacturers attitude can also, all changed, but also bad, depressed.: You choose the wrong factory, general theory of LED life span is 50000 hours, the actual use also in 35000 hours. Three months is bad, is basically not well-known chip in China. Now we are doing the LED business, foreign customers require minimum is Taiwan wafer chips, and some domestic retailers order chips are the most time, because Chinese people cheat, also bad complaints after seduced. Don't mind the price to buy the philips, their quality must be guaranteed. The good and evil people mixed up domestic factory, see you luck

Q:LED lamp circuit of current more conference appear what problem: Will first fever, if it is too big, can burn out directly. On the issue of the lights, string, and, have a plenty of string and share

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