• Understanding Laptop Batteries

    Date: 2010.01.24 | Category: Uncategorized | Tags: ,,,,,,

    Types of Laptop Batteries:

    Nickel Cadmium (NiCd) Batteries: These were the primary rechargeable batteries manufactured for laptops. They were relatively inexpensive, had high output and versatile, as a result of they could be employed in a wide selection of products. However, NiCd batteries have currently been abandoned by laptop makers with the introduction of a lot of efficient and lighter-weight batteries.

    Nickel Metal Hydride (NiMH) Batteries: NiMH was a massive improvement concerning power output, reliability, cost, safety and capacity. The “memory effect” was the sole issue with NiMH batteries that need them to be fully discharged before recharging to gain maximum output. These batteries will still be found in older model laptops.

    Lithium Ion (LiON): This kind of batteries has become the most popular for laptops since the “memory effect” has been eliminated, and much lighter than the other 2 in weight. However, the market value is additionally the highest.

    Battery Cycle:

    One battery cycle is used every time a battery is charged or discharged. Technically speaking, it is outlined as the number of cycles a battery can perform before its nominal capacity falls below 80% of its initial rated capacity. Lifetimes of 500 to 1200 cycles are typical. For example, NiCad battery contains a cycle lifetime of five hundred-a thousand or additional cycles.

    Battery Run-Time:

    Battery run-time depends on a range of factors. Most of the time, it is the look of, and the power demands made by the machine that determines the particular battery run-time. For instance, use of the screen, the laborious drive and different accessories can considerably influence the duration of the run-time.

    What are Good and Dumb Laptop Batteries:

    Some laptop batteries are equipped with internal microprocessor circuits that help manage battery energy, set the charger to the right charge algorithm, predict running time, or according to Smart Battery System (SBS) forum, provide a state-of-charge (SoC) indication. These batteries are called “Good” batteries. Those batteries termed as, “dumb” do not have these features, might be just counterparts, or may operate to provide power only.

    Optimizing Laptop Batteries:

    1. “Condition” may be a term for fully charging and discharging a replacement laptop battery to maximize performance and permit it to achieve its maximum rated capacity. NiMH and NiCd batteries want to be conditioned at least once a month to cut back the “memory impact”.

    2. Metal connecters should be cleaned occasionally to maintain smart conductivity

    3. Guarantee that device’s power management options within the BIOS and Operating System are optimized, turning off the screen, using speed step

    4. Avoid leaving your laptop on overnight incessantly whereas charging. The laptop ought to be turned off occasionally.

    5. Store the battery during a cool, dry, clean place if you’re not going to use it for a month or longer.

    6. Turn down the brightness of the LCD screen when watching a movie on our laptop. Decrypt DVD movies and store it on your onerous disk drive to avoid constant use of the DVD drive that consumes a ton of power

    7. Never expose your laptop battery to heat, moisture, short-circuit, drop or physically abuse it.

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