Laptop INFO

December 18, 2009

The sources of disused batteries

Filed under: Battery, digital camera battery — Tags: , , , — ecsem3 @ 2:44 am

Batteries are generally divided into disposable batteries and rechargeable Sony NP-BG1 batteries. The main disposable batteries includes zinc-manganese batteries (zinc and manganese dioxide) and zinc mercury batteries (zinc and mercury oxide), etc . The main rechargeable batteries includes cadmium – nickel, iron – nickel. the most we used frequently is zinc-manganese Samsung Battery and zinc-mercury batteries in Our daily life,the main pollution is maily caused by mercury (Hg) and cadmium (Cd) from Samsung SBL-1974 battery .

  1. Mercury toxicity

    2. Mercury, which are commonly called “mercury” is a liquid at room temperature,it can prevent cell cathode zinc oxide, this approach improves the storage life of the Sony Battery.The chemical combination of mercury and mercury have the neurotoxicity ,and also have an adverse effect on endocrine system, immune system,It will trigger people’s slurred speech, unsteady gait, limb paralysis, and lastly lead to generalized convulsions, mental disorders and died.and thae most important is that it is the essential and important element ofSamsung Battery battery,so it worth paying more attention to it for human .

  2. Cadmium Toxicity

    3. Cadmium is not a trace element necessary for the human body, and there is no cadmium in the body of newborn babies, , but it increases with age, and gradually accumulated. renal toxicity fiom Cadmium can cause kidney damage ,which is irreversible.but there are some Cadmium inSamsung Battery.

  3. Manganese toxicity

    4. Excessive(which is inSony NP-FC11battery) levels of manganese accumulation in the body can cause neurological dysfunction, it Showed early an integrated sexual dysfunction, the emergence of heavier speech monotonous, dull expression, emotional indifference, accompanied by psychological symptoms.The emergence of heavier is the speech monotonous, dull expression,and emotional indifference, and accompanied by psychological symptoms.

  4. Lead toxicity

    5. it also is the important element of the Samsung SLB-0637battery,so excessive Lead is harmful to human heath ,and Lead play a major role in the nervous system,hematopoietic system, digestive system, and liver, kidney and other organs,it Can inhibit the metabolism of hemoglobin synthesis,and also be able to directly act on the mature red blood cells,it have a more impact on infants and young children.It will lead to children’s physical growth retardation,and the chronic lead fromSony NP-FC11will lead children’s mental retardation.

  5. Nickel toxicity

    6. Nickel powder from Sony NP-BG1battery dissolved in the blood, and participate in the body circulation,beacause of the strong toxicity, it can damage the central nervous system, and cause abnormal blood vessels, thae severe cases lead to cancer.

  6. Zinc toxicity

    7. Zinc is an essential element of the human body(but meanwhile it also is the essential element of the Digital Camera Battery), less toxic,oral zinc sulphate 1000mg only make people acute poisoning,However, inhalation of zinc oxide dust can cause poisoning.Its symptoms are generalized fatigue, muscle pain, difficulty breathing, vomiting, diarrhea, severe heart weakness, prostration, died after convulsions .

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December 17, 2009

Some ways to extend battery life

Filed under: battery grip, digital camera battery — Tags: , , , — ecsem3 @ 12:14 am

People have a great importance to improve the capacity of lithium-ion batteries ,and want to achieve maximum working hours by buying the physical size of the smallest battery products . However, in some applications,it is more important for longer battery life, charge times or more safer than the battery, Sony NP-BG1,capacity of the battery . Here are a few methods to extend the battery life.

there does not exist to extend or shorten theDigital Camera Battery life of any single factor, but often several factors which have combined to play a role. in terms of the extension of life cyclethe,there aire some following ways to extend battery life:

  1. to take the practice of using part of the discharge. it will greatly extend the cycle of life by using 20% or 30% of battery,Samsung Battery capacity before recharging up the battery . As a general rule,it is equal to for 5 to 10 shallow discharge cycles and a full discharge cycles. Even though some may reach thousands of discharge cycles, but it also can shorten battery life to keep the battery,Samsung SBL-1974,at full charge state. If possible, should avoid over-discharge cycles (down to 2.5 V or 3V, depending on chemicalmaterials).
  2. To avoid charging to 100% of capacity. it can do this to choose a lower float voltage . Reducing the float voltage will increase the cycle of life and service life, the cost is to reduce the battery , Samsung SBL-1974,capacity. Float ing ivoltage of 100mV to 300mV can reduce the cycle of life is prolonged from 2 to 5 times or more. Compared with other chemical materials, lithium-ion cobalt chemical materials are more sensitive to higher float voltage. the floating voltage of Lithium-ion batteries are lower than generally lithium-ion battery.
  3. Selection of suitable methods for charge termination. Choose one with the minimum charge current termination (C/10 or C / x) of the charger, you can also extend battery(for one thing,the Samsung SBL-1974) life by not charging to 100% of capacity,. For example, the effect is similar to reduce to C / 5 and ended at the float charge cycle and reduce float voltage down to 4.1V, In the both cases, the battery(such asSony NP-FC11) be charged to about 85% of capacity, which is an important factor in battery life.
  4. To Limit battery temperature. Restrictions on the limits of the battery (take the Samsung SLB-0637 for example )temperature can extend battery life, particularly the prohibition of charging below 0 ℃.
  5. To avoid a large charge and dischargeSony Batterycurrent , because it will shorten the cycle of life. Some chemical materials are more suitable for large currents, such as lithium-ion manganese and phosphate lithium-ion battery. Large current can impose too much pressure on the battery.
  6. Avoid 2V or 2.5V below the depth of discharge, because it would permanently damage the rapid lithium-ion ,Sony NP-FC11 batteries. the metal -plating deposition may occur , which would cause a short circuit so that the battery is not available or unsafe.

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December 16, 2009

The classification of the laptop battery

Filed under: Battery, battery grip — Tags: , , — ecsem3 @ 8:40 pm

In general there are three kinds of batteries for us to use, such as:Nickel-chromium Sony NP-BG1 battery ; Ni-MH battery; Lithium battery.they are generally expressed as: Ni-Cd NI-CD, Ni-MH NI-MH, Lithium-Ion battery LI.

  1. because of their too early age ,there are many headache shortcomings for Nickel Cadmium  Sony NP-FC11 NI-CD , such as: bulky, heavy weight, capacity, small, short life, there is memory effect, etc. (useless), and now no longer in use .
  2. Ni-MH battery is more environmentally friendly some compared to other Samsung,it is also by far the most environmentally friendly battery in the world.
  3. Li-ion Samsung SBL-1974could offer important advantages, including a small size, light weight, large capacity, low memory effect, charging time is short, etc.,but you will often see the back of the battery properly abandoned and handling lithium batteries instructions? It will cause environmental pollution. to discard the lithium Samsung SLB-0637

Now some people may be misunderstanding of lithium Sony NP-FC11 , they believe lithium batteries can not remember things, in fact , only  relatively small memory, it seems not to be very clear. And lithium batteries can be divided into lithium and lithium-ion battery two kinds. Lithium-Ion Digital Camera Battery has been in world for a long time ,but it is not safe when used and often might burn, burst when is  in charge, perhaps because of the sake of lithium element too active. Then there is an improved lithium-ion batteries,the element of active ingredients is added in lithium so that lithium is really safe .efficient and convenient, while the older Lithium-Ion Sony Batteryalso is eliminated.

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The use techniques of camera and camcorder rechargeable batteries

Filed under: Battery, digital camera battery — Tags: , , — ecsem3 @ 5:44 am

There are four use techniques of digital camera and camcorder rechargeable batteries,as following:

  1. the preservation method of Ni-MH battery: removed the nickel-metal hydride batteries not to use for long-term from the appliances, full of power and then stored. Otherwise,if you have not uesed them for a long time, you will find that the battery has been bad, when you begin to use them.the reason is that the excessive discharge of the battery,for one thing, the Sony battery.
  2. how to charge for the new nickel-metal hydride rechargeable Sony NP-BG1 batteries ? First thing to say is to use a new battery before, firstly to  charge or to discharge ,it depends on what you are charging. If it was  to charge slowly,you can first charge the battery , and the charge time can be longer than the normal charge of some, and thus it is beneficial to activate the battery. But if you were using a fast charge (in particular the use of no protection to prevent overcharge and over-temperature protection devices such as other fast-charge ), it is best to discharge firstly ,instead of charging. To simplify operation, no matter how we charge or the battery production date, we have better to  discharge and then recharge it, so it is beneficial to the battery,whaterever it is a  brand-name batteries (such as Samsung battery)or general.
  3. The complete charge-discharge cycles should be taken to ensure, when using the Sony NP-FC11 battery each time,which is fully charged before use no electricity to recharge, so it  help to reduce the battery memory effect,and extend battery life and maintain performance. In addition,we should avoid re-interrupted.the charging process . We usually have such some bad habits, such as when charging battery ,unplug the charger to see how hot the battery, charger and then plug back then. This usually will lead to apppera instability in the charge cycle, the battery can  re-start a full charge cycle, but in front of the charging cycle has completed. Charge cycle of instability will reduce battery life. Of course, even brand-name batteries is no exception,take for instance the Samsung SBL-1974.
  4. In selecting the fast charge and slow charge, of course, slow charge is better (although we  have to wait for 15 hours or so),the damage of slow-charge is smaller than the fast-charge , and the price of slow charge is cheaper. The pursuit of short-term charge, we can choose to use smart fast charger (take Samsung SLB-0637 for example,of course, the prices is higher), using an appropriate smart charger, some Ni-MH battery is fully charged a few hours in , and there is no damage to it , battery life would not be greatly reduced. Because a smart charger with a microprocessor-controlled, with automatic stop filling (to prevent overcharge), thermal protection and trickle charge and other functions, usually decided when the battery is full of electricity, and then fully turned off the charge or the steering trickle charge according to the design of different, .

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The experience of buying a rechargeable batteries

Filed under: Battery, digital camera battery — Tags: , , — ecsem3 @ 5:38 am

Last year I bought a Samsung digital camera (DigimaxA4), and assembly a charger and rechargeable batteries by myself, after a period of time, we found that the battery is not really very durable.In generally I used the camera no more than half an hour on the morning, ,the battery would not have power (previously I used a Sony digital cameras, Sony NP-BG1battery, there is no such situation).

Now every time I normally charge up the battery for more than 10 hours, the battery I bought is 3.7 volts, so at the begning I thought the battery capacity may be too small, and decided to buy a big point of volt-ampere battery, it may be durable . But I saw batteries ,all of them in market ,are nearly 3.7 volts (take the Sony NP-FC11for example ). I do not know is the reason why the battery is not very durable.

Finally I asked a friend, he said the battery he uses is a Samsung original rechargeable batteries, Samsung SLB-0637, it will help to extend battery life, more durable,the most important is the rechargeable batteries are also relatively more cost-effective. The first three times should charge for 12-14 hours. Because it is a memory power’s sake, so the first three should fully activate the battery. Digital cameras themselves are relatively power-hungry digital products, not the Samsung was the case.

In addition ,he tell me how to extend the service life of rechargeable batteries,such as these following colleagues:

  1. To Choice good quality rechargeable batteries (such as brand batteries: Sony battery, Samsung battery and so on).
  2. To select the qualified battery charger(in generally the brand batteries is qualified,for one thing,the  Samsung SBL-1974). A quick charge function should be intact against overcharge kinetic energy, rechargeable batteries should make full use of slow charge.
  3. To reduce the number of battery charge. Each charge should be full of electricity and be all used up.
  4. Capacity of Digital camera battery which is rechargeable ,should be same ,and can not mix old and new together .
  5. To prevent excessive discharge and large current discharge, to prevent short circuit and no electricity storage.

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