Battery Tips, Laptop Battery Care Guide by batteryfast.com: 五月 2011

2011年5月31日星期二

Toshiba has Released a New Line of 2.5” Mobile Drives

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Toshiba Storage Device Division has released a new line of 2.5” mobile drives. These 7200 RPM SATA drives are designed for the more demanding user and are optimized for “demanding performance, Toshiba pa3534u-1bas battery power consumption, and durability requirements.”

Three total drive lines have been released, each offering a slightly different role in small-form-factored computing. There’s the MKxx61GSY, which is made for high-end notebooks, gaming machines and mobile Toshiba pa3285u-3bas battery workstations. With sizes ranging from 160 GB to 640 GB and a release date in Q3 of 2010.

Next is the MKxx61GSY line. These are used for more stamina requiring applications such as the 24/7 blade servers used for say, Facebook’s photo gallery. Consider these to be very docile and tough. ”The MKxx61GSY is designed Toshiba PA3589U 19V Adapter for speed, with a balanced approach to storage capacity, durability, power consumption, and acoustics, compared to 5,400 RPM mobile and 3.5-inch desktop drives.” Sizes range from 80 GB to 500 GB and will be available Q4 of 2010.

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Finally, we have the SED line, or Self-Encrypting Drive, this will be used for more secretive tasks that require eyes-only clearance. Think government and secret agents. It follows the security standards from the TCG Opal Specification. No word on size or release Toshiba PA2521U PA3201U-1ACA Adapter date for the secure drives.

You can probably expect to see the first two lines showing up in laptops pretty toshiba pa3399u-2brs battery soon.

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Top Cares for how to feed of your laptop batteries by bestlaptopbattery.co.uk

Accept the fact that your battery won’t last forever, no matter what.

Oxidation in the cells can prevent an old battery from discharging properly, so even when left on a shelf, a battery’s lifespan shortens with time. That doesn’t mean that there aren’t some steps that you can take to ensure the Li-Ion batteries in your laptop or cell phone last as long as possible.

Dell latitude d630 laptop battery

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Batteries are made to be used, so use them.

Just like couch potatoes, batteries need exercise. The chemicals in Lithium-Ion batteries respond best to regular recharging. So if you have a laptop, don’t keep it plugged in all the time; go ahead and let it drain to about 40 or 50 percent of capacity, and then recharge your computer.

The life of a Lithium-Ion battery can be measured in charge cycles. A charge cycle occurs when 100% of a battery’s capacity is used. Let’s say you use 50% of your laptop’s battery one day, charge it overnight, and then you use 50% of the battery again the next day. Even after charging it back up again, you’ll have only had one charge cycle occur. Most laptop batteries are rated for a useful life of at least 300-500 charge cycles, but high-quality, properly maintained batteries can retain up to 80% of their original life, even after 300 cycles.

Periodically calibrate your battery.

Most batteries that have a “fuel gauge”, like those in laptops, should be periodically discharged to zero. This can be accomplished simply by letting your computer run until it reports a low-battery state and suspends itself. (Do not let your computer deep discharge, as I’ll explain in the next item.)

The gauge that measures the remaining power in your laptop is based on circuitry integrated into the battery that approximates the effectiveness of the battery’s chemical compounds. Over time, a discrepancy can develop between the capacity that the internal circuitry expects the battery to have and what the battery can actually provide. Letting your computer run down to zero every month or so can recalibrate the battery’s circuitry, and keep your computer’s estimates of its remaining life accurate.

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Don’t practice so-called deep discharges.

Most laptops will suspend operation if the battery drains too low. Even if your computer goes to sleep, though, most batteries that are in good working order will still have a reserve charge available. This reserve will hold the computer’s working memory in state for a little while. A deep discharge has occurred when even that percentage of reserve power is used up. The computer will have turned off completely, and sometimes you’ll notice that it will have lost track of the correct date and time. Deep discharges will strain your batteries, so try to charge them frequently.

Avoid exposing your battery to heat (when possible).

Heat can overexcite the chemicals in your battery, shortening its overall lifespan. In fact, it’s been speculated that the biggest cause of early battery expiration is the heat that batteries can be exposed to when they’re stored in computers that are running off AC power. Laptops — especially modern multi-core machines — can get very hot when they’re plugged in, easily over 100 degrees Fahrenheit. That’s hot enough that extended exposure will negatively affect your battery. If you want to be really protective, there’s nothing saying that you can’t pop the battery out of your laptop if you’re going to be within reach of a power outlet for a while.

There may be times that you can’t help but expose your laptop battery to heat; you may live in a warm climate, for instance. You can, however, try and avoid exacerbating the issue. Make sure your laptop is well ventilated and that you’re not operating it on a surface that retains heat, even when you’re not plugged into mains power.

Use a full charge cycle before recharging. All laptop batteries in our site are Li-Ion batteries, so, they do not have memory which you might find in NiCad batteries. However, each chemistry has a limited number of charge cycles, so use a full charge cycle before re-charging to maximize your battery's usage. When charging your battery for the first time, your computer may indicate that charging is complete just after 10 or 15 minutes. Don't worry, this is normal with rechargeable batteries. Just simply remove the laptop battery from the laptop and repeat the charging procedure.

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