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 PostPost subject: Lithium Ion Batteries        Posted: Mon Jun 15, 2009 6:59 am 
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My laptops charger doesn't charge the laptop but powers it, my laptops battery has not had any electricity in it for about 90 days. Before that it lasted for around 2.5 hours. I'm planning on buying a new charger (genuine dell) for $50NZD but will the battery still be able to hold a charge.

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 PostPost subject: Re: Lithium Ion Batteries        Posted: Mon Jun 15, 2009 7:32 am 
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I would say you need a new battery rather than a charger.


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 PostPost subject: Re: Lithium Ion Batteries        Posted: Mon Jun 15, 2009 7:37 am 
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Nah It's the charger I can see the damage,

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 PostPost subject: Re: Lithium Ion Batteries        Posted: Mon Jun 15, 2009 7:40 am 
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Yeah but you say that it can power the laptop, so obviously it is working.


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 PostPost subject: Re: Lithium Ion Batteries        Posted: Mon Jun 15, 2009 8:17 am 
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viewtopic.php?f=4&t=7732&p=86173&hilit=Haunted#p86173

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 PostPost subject: Re: Lithium Ion Batteries        Posted: Mon Jun 15, 2009 12:17 pm 
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You say its not had any charge for 90 or so days, then the battery itself will have enabled its deep discharge protection circuitry to stop you charging it, since if you attempt to charge a lithium ion battery that is too discharged, you can set off a chain reaction that will potentially make the battery explode/set on fire, etc. Its to stop you doing this and harming yourself.

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 PostPost subject: Re: Lithium Ion Batteries        Posted: Wed Jun 17, 2009 1:04 am 
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So the battery can't be safely charged :?

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 PostPost subject: Re: Lithium Ion Batteries        Posted: Wed Jun 17, 2009 2:01 am 
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Not if its internal circuitry has cut in to protect it no. And you can't reactivate them without destroying the casing to get inside so its hardly worth the effort as they're ultra-sonic welded together so they're a pain to open to begin with.

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