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Odd battery issue

When I'm using the computer on battery power, as soon as it gets to 50% it suddenly drops to 5%. The same thing happens when charging, once it hits 50% it jumps to 95%. Is there any reason this should be happening?

Posted by Kimberly on


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Try to replace the battery.

Posted on Jul 29, 2007


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Hello, I have a dell latitude e6430. it works fine on either ac or battery but not both. attempting to connect ac when battery is attached, shutdown the laptop and vise versa.

sorry youre wrong, the AC pack is 19vdc (unregulated ) so 19.5 to 20.5 is par, ok
first off learn that the power pack is 2 things,
one its power, if 19vdc is on the 2 pins, at all times plugged into the wall AC jack and the PC at the same time the power is ok
now feature, #1
the pack also has this other odd feature.(power fail logic)
(and can fail and do just what you see)
first off the pack needs to be 65watts or 100 and for HP computers
not some universal thing, off fleabay. (for sure with a voltage switch on the pack is NO GOOD)( I cant see yours so.... yah,...)
that is because of the power down logic wire on the wrong packs is wrong. or missing.

the Pack AC if you unplug it to from the wall signals the PC
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to prove and learn this magic feature, unplugging the DC cable first on a LAPTOP will make it crash, on many laptops.

this PC is now 6 years old, not too old but sure is old in the world of batteries.

The causes are ( cheap to expensive) easy no? see 5 first.sorry
1: the main huge battery is bad. this is 99% failure rated device,
batteries fail easy, and often so why not own 2 like me , so if on say vacation im not stuck trying to find a battery in a panic
spend $15 now and not $100 in a panic at say Tahiti.
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it runs AC, just do that until a new set of batteries are found,
15 for big, $2 for coin.( 50% chance on coin bad)

2: the power pack is bad, as i told you above. the power logic signals are dead. but DC side ok. or WRONG PACK.

3: the mother board power jack is bad, on mine it is $5 cable that goes inside PC, laptop , but others its a hard soldered jack to the MOBO if bad is not easy to fix. with that. I have some very expensive tools to fix the hard ones and is still not easy.
we heat gun it first, then clean the holes, (hard) and put on a new jack easy if one can get this far....

4: last is the charge chip on the mother board is bad so mobo is bad and $100 up for used good one.
5: Ill add this too, as all PC over 7 years old the coin cell goes bad.
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if that is too hard here is a guess list.
1: new coin,
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