Replacement laptop battery UK

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wilson1973

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Hi,I have just purchased a Dell Latitude E7240,can anyone tell me where would be a good place to get a replacement battery at a good price and is it best to get a genuine Dell battery or do you know of a good generic battery place?
 

flavallee

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The Dell Latitude E7240 laptop was introduced about 5 years ago, so I'm assuming you purchased yours in used/refurbished condition and its battery has very little burn time left in it.

From what I can determine, it comes with a 45 WHr 4-Cell Lithium-Ion battery
Manufacturer part number HJ8KP
Dell part number 451-BBFX

You can confirm that by looking at the labels/stickers on the battery in yours.

If you do a Google search by manufacturer or part number, you should be able to find several sites that sell a replacement one.

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managed

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I would try a search for 'Dell Latitude E7240 battery' on Ebay.co.uk to get an idea of prices.
Personally I go for the cheapest I can find here in the UK.
 

wilson1973

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I would try a search for 'Dell Latitude E7240 battery' on Ebay.co.uk to get an idea of prices.
Personally I go for the cheapest I can find here in the UK.
Thanks do you think the chinese dell cheap ones might be a bit dodgy?Do you think they have a shelf life is somebody has had them knocking around in a warehouse for years?
 

managed

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I've always got batteries from sellers in the UK because delivery from China can take a few weeks. I think batteries made in China are fine though. Most of the 'genuine' batteries are also made in China.
 

wilson1973

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I've always got batteries from sellers in the UK because delivery from China can take a few weeks. I think batteries made in China are fine though. Most of the 'genuine' batteries are also made in China.
Ok thanks for your help
 

wilson1973

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I've always got batteries from sellers in the UK because delivery from China can take a few weeks. I think batteries made in China are fine though. Most of the 'genuine' batteries are also made in China.
Do you happen to know what the best way to keep a battery in good condition for the longest time,for example how far should it be discharged before recharging etc
 

managed

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I think the best advise is to only charge the battery when it's charge gets low enough to really need it and to remove the battery if it's fully charged already and you will use the laptop for a long time with the charger plugged in.
Also if you don't need the battery for long periods, like several days, charge it to about 40% and then remove it and store it in a cool place.
Heat tends to reduce the battery's useful life and it can get quite warm when it's in the running laptop. And a battery will only work for a certain number of charge/discharge cycles so charging it as few times as possible seems a good idea.

The above is what I have read online and seems to make sense although you may find other opinions.

If you can't easily remove the battery, as in many modern laptops, then I suppose you can only follow the first paragraph above.
 

wilson1973

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I think the best advise is to only charge the battery when it's charge gets low enough to really need it and to remove the battery if it's fully charged already and you will use the laptop for a long time with the charger plugged in.
Also if you don't need the battery for long periods, like several days, charge it to about 40% and then remove it and store it in a cool place.
Heat tends to reduce the battery's useful life and it can get quite warm when it's in the running laptop. And a battery will only work for a certain number of charge/discharge cycles so charging it as few times as possible seems a good idea.

The above is what I have read online and seems to make sense although you may find other opinions.

If you can't easily remove the battery, as in many modern laptops, then I suppose you can only follow the first paragraph above.
Thanks for that,that sounds like good advice
 
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