Q:Desk lamp good still tube of good to buy LED strips? Search light tube usually can use a few years need to change?

A low power consumption and lower power LED that LED the working voltage of is generally 2-3.6 V. The working current of 0.02-0.03 - A. That is to say: it consumes the electricity is not more than 0.1 W. 5, green environmental protection, high efficiency and energy saving, the LED is made from non-toxic material, unlike fluorescent mercury can cause pollution, at the same time, the LED can also be reused.

Q:LED dual-mode folding desk lamp on external what meaning be

LED desk lamp with ac plug, directly into the 220 volts alternating current (ac) above, turn on the switch, the lamp light, this is a built-in power supply. Accordingly, it is often said that the exchange desk lamp.

Q:Led lamp is broken. Who knows what reason be? How to repair?

You want to turn the light down, take a photo, to tell you how to fix, too many kinds of LED lamps and lanterns, each have each way, this phenomenon is usually light bead is broken

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

If you are sure with 6 v battery power supply, then I suggest you use four leds, two series and then parallel, such high efficiency

Q:How bright flowers LED desk lamp, good quality

The main characteristic of LED lamps and lanterns is long life, high efficiency, energy saving, lamps and lanterns and a higher level than in the past, leds are currently, improve and mature technology development stage, the market is multifarious, the good and bad are intermingled, in spite of the LED lamp is a good thing, also want to have a mature market process, evolution process, relative to three primary colors energy-saving lamps more mature, more insurance.

Q:Three months ago I was full of electricity, this three months I was useless, now basic is full of electricity, use need not use a few hours to recharge first? Or direct charge?

When did you buy? If it is just bought, suggest you use first photoelectric charge again

Q:Hurry, common desk lamp is ac or dc output, and energy saving LED lamp?

The output ac socket After the transformer voltage between 8 v 10 v 20 v ranging from energy-saving led equivalent

Q:Are sold on the market in recent years that most students rechargeable lamps with the sort of, call what name I also do not go up, anyway, not expensive, I would like to ask you about the charging lamp charging commonly how long?

What you said is likely to be that kind of LED desk lamp, there is a difference between this kind of desk lamp rechargeable batteries, differentiate the probably only from price, twenty yuan is using a small battery, the battery is to increases with the increasing use of filling, generally charge no more than four hours, frequently and filling. Fifty yuan using nickel cadmium or nickel metal hydride batteries, such batteries is to run out of charge again, generally charge for six to eight hours. One hundred yuan with lithium battery, can be used after a period of time to filling filling, no specific requirements, such as the battery's current difference is large, large current will be longer, shorter, conversely in six hours.

Q:Amount for the LED - 666 desk lamp can use charging time

Strictly speaking, it is best not to use when charging. Because: 1. Easy to get an electric shock. 1. Affect the service life of the product. Charging desk lamp is with leds (Light EmittingDiode) the desk lamp of the light-emitting diode as Light source, with lithium battery and USB charging function, the LED is a solid-state semiconductor devices, it can be directly put DianZhuan into Light. USB charging desk lamp is a desktop or laptop computer USB mini rechargeable lamps. Is through the computer connected to the computer USB interface, downy light, most of the charging desk lamp can adjust the brightness of the light, two control as you need to change, is very convenient. The USB port on the computer (that is, everyone is used to insert USB interface) for external voltage of 5 v power supply for the equipment, the current 500 ma, USB charging small desk lamp of desk lamp is with USB interface to provide power supply, lamp take up the space is not too much, and very save electricity, suitable for office workers or students. maintenance Household appliances maintenance led rechargeable lamps? Many users haven't noticed that some users will be LED rechargeable lamp is like electricity used up until then recharging it when you are going to use it. LED rechargeable lamp light life is compared commonly, if it is not because the excess voltage or short circuit, usually don't burn out.

Q:Do LED lamps really protect your eyes?

But now on the market the LED desk lamp is very much also, choose when to pay attention to whether can face light source, gradient dimmer. TOPDAY use is good