I hope you’ve been enjoying my posts lately. I thought I might do something different today and rustle up a few bits of info from around the WWW. These are some of the news items and blog posts that have been popular over the last few weeks. Leave me your thoughts.
4 CHANNEL CHARGER FOR AA/AAA RECHARGEABLE BATTERIES £3.24 …
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Batteryless Flashlights; Never Get Caught In The Dark Again
by: Tyson J Stevenson
Batteryless Flashlights
As the name suggests a Batteryless Flashlight works without any requirement of batteries. One can also call it as the forever flashlight. These types of flashlights need to be shaken back and forth for few seconds and they will give light for many minutes, sometimes even hours. The main features of these Batteryless Flashlights are
1) Never needs any batteries or bulbs
2) Now with magnet and tether strap
3) Compact and water resistant.
Perhaps the biggest feature is that these flashlights are rechargeable at any time.
· Magnetic Batteryless Flashlights
The product Magnetic Batteryless Flashlight is the newest technology among the batteryless flashlights. One just has to shake the flashlights for 60 seconds and you will get up to 2 hours of light from this magnetic batteryless flashlight. These flashlights have three super bright LEDs which emit bluish white light that helps us in viewing clearly in the dark.
There is a high field strength magnet inside these flashlights, that slides back and forth inside a coil of copper wire, as we shake it to generate electric power. This power then gets stored in a small capacitor. The stored energy in the capacitor then powers the high brightness white-light LEDs.
It is prudent to turn the switch off at the time of shaking the flashlights for charging. If the switch is not turned off then pulse with the power spikes coming from the coil can be seen in the LEDs. The operating switch of these batteryless flashlights is durable and intrinsically safe. These flashlights lights are very light in weight and are completely designed to be waterproof. They are also fully portable.
· Dynamo type Batteryless Flashlights
Another type of batteryless flashlights is of dynamo type. These were the oldest technology among the batteryless flashlights. These types of flashlights have little fold-out cranks and we need to wind on for a while so that we can use the light again. In Dynamo type flashlights, by winding the cranks for a few minutes, a sector gear starts to move causing a tiny pinion gear to spin which drives a PM dynamo. The dynamo generates electrical energy which is used to light the LEDs in the batteryless flashlights. For years there have been dynamo types flashlights around that the world those work by squeezing a lever handle. Dynamo type battery free flashlights are quite reliable than the ordinary battery lights.
· Batteryless Flashlights review
The Batteryless flashlights are mainly used for emergency purpose. These flashlights sometimes come with built in FM radio. The main advantage of this Batteryless flashlight is that they are absolutely maintenance free. These flashlights can be stored for long periods of time without the worry of leaking batteries. In case of battery powered flashlights they often have their battery contacts loose & dbecome dysfunctional, but the batteryless flashlights don’t go dead as you are miles away from home late at night.
The main disadvantage about these batteryless flashlights is that they are not as bright as most other battery powered flashlights, but that’s a small price to pay as they are infinitely brighter than any other battery powered flashlights who’s batteries are drained of energy or their bulbs are broken or burned out.
About The Author
Tyson J Stevenson has a nifty website at http://www.HubbuH.info, as well as a site spcifically on BatteryLess Flashlights at http://www.led-flashlights-review.info.
If you want to know more about Ann Arbor home buying.