2010年12月21日星期二

Primary batteries are electrical storage batteries that cannot be recharged

You Need To Know About Primary Battery Leakage
http://www.bestlaptopbattery.co.uk
All too often, we receive a message from a customer whose expensive flashlight has been ruined by an inexpensive set of batteries.  And in many cases, the manufacturer will not honor a warranty service request when the cause of flashlight failure is battery failure.  Over the years, we have found that a great number of flashlight users are not aware that their batteries have limited lifespans, nor that dead batteries can do some really serious damage, until they learn those lessons the hard way.  But most of these unfortunate events can be very easily prevented.Welcome to bestlaptopbattery.co.uk
Primary batteries are electrical storage batteries that cannot be recharged.  Today, rechargeable flashlight systems (and to a lesser extent, aftermarket rechargeable batteries intended for use in conventional flashlights) are continuing to gain in popu-larity.  Nonetheless, the vast majority of flashlights in use around the world today are still powered by disposable primary batteries.  The most common types of primary batteries for use in flashlights are carbon / zinc, alkaline, and lithium.  Each type has specific advantages and disadvantages, but all of them have a limited storage life.
Low-cost carbon batteries, now most commonly known as "heavy duty" batteries, are the oldest "dry battery" technology for flashlights, and they have been around for many decades.  Carbon batteries are usually very inexpensive, but they have a very limited energy capacity, resulting in relatively short shelf life (storage time) and operating life(run time).  Carbon batteries exhibit a typical initial shelf life of just one to three years,depending on the battery size and brand quality.
Acer as07b41 battery
Lithium batteries also weigh less and tolerate temperature extremes better than most other types, but they usually cost much more, and can become hazardous if damaged.

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