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How to Select The Correct Laptop Battery,Laptop AC Adapter                Wednesday,Oct.28,2009

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: Armada, Business Notebook, Evo, OmiBook, Pavillion, Presario
SONY: VAIO
Dell: Inspiron, Latitude, Precision, XPS
IBM: Thinkpad
TOSHIBA: Satellite, Satellite Pro, Dynabook, Portege, Qosmio, Tecra
APPLE: MacBook, iBook, PowerBook
ACER: Aspire, Travelmate, Extensa, Ferrari
HP: Pavilion, Armada, COMPAQ Presario

For Windows 98 - Vista Only

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

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

Selecting the correct 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.
If in doubt please email us on our contacts page.

Once you have selected you Brand and Model from the 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 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 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.

Laptop Batteries Maintenance & Care Related Articles:
7 ways to make your laptop battery last longer
How to Select The Correct Laptop Battery,Laptop AC Adapter
Traveling with Spare Laptop Batteries,Camera Batteries
10 Ways to Make Your Mobile Phone Battery Last Longer
Why buy laptop batteries,dell laptop batteries from a1-battery.co.uk
5 Reasons To Own A Portable Car Battery Charger
How Many Cells Are In A Laptop Battery
3 Tips That Will Keep Your Auto Battery Charger Charging
Top 15 Ways to Extend Your Laptop's Battery Life
Finding Value in Replacement Laptop Batterie

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