Sunday, September 5, 2010

Is it Possible to Overuse Your Laptop AC Adapter by Keeping it Plugged in Too Long?

People who use their laptops excessively often wonder if they are actually harming their laptops in some way. This apprehension is more pronouncedly felt when the laptop is used constantly over its AC adapter. The direct question that’s asked here is whether the laptop AC adapter will burn out because of being constantly connected? Or will there be some kind of direct damage to the laptop itself?

The common problem that’s noted here is of overheating. Any electronic device or component heats up when electricity is constantly passed through it and laptop AC chargers and the laptops themselves are no exception. There have been cases where laptop AC chargers have burned out when used for too long. However, this is not the rule-there are several people who use their laptops over their AC adapters constantly and still nothing untoward happens.

The bigger fear is that the laptop itself might burn out. Now, while that’s a possibility too, it is one that can be easily averted by providing good ventilation for the laptop. This can be done by adding a laptop fan which will help to dissipate the heat.

Another problem that might happen is the burnout of the battery. Though the AC adapter mightn’t be harmed directly, it might direct an excessive amount of electricity into the battery which might retard its functioning. Laptop batteries work in terms of charging cycles and such constant electricity supply can be harmful to their longevity. Moreover, the laptop batteries might get used to the AC adapter and might not function as effectively as they did when they were newly out of the shop. For instance, if your battery gave you a charging of 3 hours earlier, consistent AC adapter use might reduce it to 2.5 hours. It is therefore advisable to remove the battery from your laptop if you intend to keep it on for a long time directly through the AC mains.

There are other things to consider, such as the excessive wear and tear of the components. Laptops, after all, are built for portability and that implies they will be rebooted often. That’s the reason most laptops won’t be able to take the pressure of constant use through the electricity mains directly.

HOT AC Adapter

Toshiba PA3589U-1BRS Adapter

Toshiba PA3516U-1ACA Adapter


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2 Tips For Finding Cordless Drill Replacement Batteries

Often it can be extremely difficult to find cordless drill replacement batteries, especially if your cordless drill is an older model out of production. It seems many stores do not carry older battery packs just to entice you to buy the latest new drill, well, lets not let that happen. This article is here to help you find a battery pack.

When you get frustrated looking for a replacement battery and end up at a dead end, use these two tips to get back on track.

Have the model number for your drill. This number should be located somewhere on your drill, and represents the serial number of the product. You can use this number to help you find the appropriate battery as many online stores list replacement batteries with the number in the listing.

If using the drill's model number doesn't work then a better idea is to find the serial number on the battery pack. Doing a search for this number almost always returns a good result.

These are just two tips on how you can better your search for cordless drill batteries. Looking for one can be frustrating, but perhaps the most frustrating part is having to pay an arm and a leg for a new battery pack. I guess when a seller knows you need it badly they think they can charge a hefty price for it.

It definitely isn't fair to have to pay so much for a new one, but other than finding one somewhere for cheaper than other places you could always try to revive your battery. There are a couple of how-to's out there that show you exactly how to revive a battery back to life. One video I saw used a welding tool to juice it back up.

If you know where to look then you can definitely find a pack for cheaper. I know of one place where you can find cordless drill batteries for cheap (which just goes to show how many places are overcharging...). It also has some helpful tips on how you can restore your battery back to life and save some money. All in all its just an excellent place to visit for your cordless drill battery needs.

How to select the correct laptop battery and laptop ac adapter for your laptop

Finding your laptop Brand & Model

Your owner’s manual should have the brand and model on the front cover. If you don’t have your owner’s manual then almost every laptop has a manufacturer’s label on the bottom of the computer. This label should have the brand and model number on it.

Once you have the Brand and model of your laptop, use the Search Wizard to select your Brand and Model. Once this is done it will display the compatible Battery and AC Adapter under the Product column.

Here are some models from the major brand laptops:

COMPAQ Laptop Battery: Armada, Business Notebook, Evo, OmiBook, Pavillion, Presario

SONY laptop battery: VAIO

Dell laptop battery: Inspiron, Latitude, Precision, XPS

IBM laptop battery: Thinkpad

TOSHIBA laptop battery: Satellite, Satellite Pro, Dynabook, Portege, Qosmio, Tecra

APPLE laptop battery: MacBook, iBook, PowerBook

ACER laptop battery: Aspire, Travelmate, Extensa, Ferrari

HP laptop battery: Pavilion, Armada, COMPAQ Presario

For Windows 98 – Vista Only

If all else fails, turn on your computer and follow these instructions:

Go to your desktop.
Click ‘Start’ on the bottom left of the screen.
Mouse over ‘Programs’ > ‘Accessories’ > ‘System Tools’
Click on ‘System Information’.
Your computer’s manufacturer, model, etc. will be listed on the following page.

Selecting the correct laptop ac adapter

Before purchasing an AC Adapter you need to make sure make the AC Adapter will give you the correct voltage and suitable current output.

To find out the voltage & current, turn your laptop over and look for a label, sticker or writing which shows the voltage and current, it should look something like the examples below. The voltage figure will have a “V” after the number i.e 19V and the current will have a “A” or “mA”. i.e 3.15A. You can also find these shown on your original AC adapter if you have it. The Voltage must be within 10% of your original AC Adapters Voltage. The Amps may be higher but they cannot by lower.

If you are purchasing a universal AC Adapter or Car Charger you will need to work out the Watts of your original AC Adapter and select the universal AC Adapter or Car Charger with the same Watts or next highest Wattage. You can work out the Wattage by multiplying the Voltage by the Amps i.e 20V X 3A = 60 Watts. There is no 60 Watt AC Adapter so you will need to select the next step up which is the 70 Watt AC Adapter.

PLEASE NOTE: If the wattage requirement for your laptop is lower than the 60W or 90W output of the adapter, it will not damage your laptop, your laptop will only take the amount of power it requires. I.E. If your laptop needs 45W, then either the 60W or 90W will work OK. If your laptop needs 80W then you will need the 90W one as the 75W one will not be powerful enough.

Once you have selected you Brand and Model from the Laptop AC Adapters Search Wizard it will display the compatible AC Adapters under the product column. Once you have clicked on the battery you will be redirected to the page displaying alllt he information about the AC Adapter. Click on the photo of the AC Adapter to enlarge the image and view the tip dimensions to ensure they are similar to your original AC Adapters tip dimensions.

Selecting the correct laptop battery

Batteries have two main ratings on them: Volts and Amps. Because laptop batteries do not carry a very large amount of power when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Milliamps. One thousand Milliamperes equals 1 Ampere. When buying a battery, always go for the battery with the most Milliamperes (or mAh).

Once you have selected you Brand and Model from the Laptop Batteries Search Wizard it will display the compatible batteries under the product column. Once you have clicked on the battery you will be redirected to the page displaying alllt he informationa about the battery. Ensure the battery is the same shape as your original and most importantly the Voltage is within 10% of you original batteries specified Voltage.

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