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Understanding Laptop Batteries

by terhunetech on March 31, 2011

Types of Laptop computer Batteries:

Nickel Cadmium (NiCd) Batteries: These had been the very first rechargeable batteries manufactured for laptops. They had been relatively affordable, had substantial output and versatile, because they might be utilized in a wide selection of products. However, NiCd batteries have now been abandoned by laptop producers with the introduction of much more effective and lighter-weight batteries.

Nickel Metal Hydride (NiMH) Batteries: NiMH was a large improvement concerning energy output, reliability, price, safety and capacity. The “memory effect” was the only problem with NiMH batteries which need them to become totally discharged before recharging to gain optimum output. These batteries can nonetheless be found in older model laptops.

Lithium Ion (LiON): This type of batteries has become the most popular for laptops because the “memory effect” has been eliminated, and much lighter than another two in excess weight. Nevertheless, the market price can also be the highest.

Battery Cycle:

1 battery cycle is utilized every time a battery is charged or discharged. Technically talking, it is defined because the variety of cycles a battery can perform prior to its nominal capacity falls beneath 80% of its initial rated capacity. Lifetimes of 500 to 1200 cycles are typical. For example, NiCad battery includes a cycle existence of 500-1000 or more cycles.

Battery Run-Time:

Battery run-time depends upon a number of factors. Most of the time, it’s the design of, and also the energy demands produced through the machine that determines the actual battery run-time. For example, use of the screen, the tough drive along with other accessories will considerably affect the duration of the run-time.

What exactly are Intelligent and Dumb Laptop computer Batteries:

Some laptop batteries are outfitted with inner microprocessor circuits that assist manage battery energy, set the charger towards the right cost algorithm, predict operating time, or based on Intelligent Battery System (SBS) forum, offer a state-of-charge (SoC) indication. These batteries are called “Smart” batteries. Those batteries termed as, “dumb” do not have these functions, might be just counterparts, or may perform to provide power only.

Optimizing Laptop Batteries:

1. “Condition” is really a term for fully charging and discharging a new laptop computer battery to increase efficiency and permit it to reach its maximum rated capacity. NiMH and NiCd batteries have to be conditioned a minimum of once a month to decrease the “memory effect”.

2. Metal connecters should be cleaned occasionally to preserve good conductivity

3. Make sure that device’s energy management features within the BIOS and Working System are optimized, turning off the screen, utilizing pace stage

4. Avoid leaving your laptop computer on overnight all of the time while charging. The laptop computer should be turned off sometimes.

5. Shop the battery in a cool, dry, clear location if you are not going to use it for a month or longer.

6. Turn down the brightness of the LCD display when viewing a film on our laptop computer. Decrypt DVD films and shop it on your hard disk drive to steer clear of continuous use of the DVD drive which consumes a lot of power

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

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