Question about Dell Inspiron 1501 Notebook

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Replacement battery for Dell Inspiron 1501 won't charge

I just bought a replacement battery for my Dell Inpspiron 1501 laptop. This was a replacement battery purchaed from a company other than Dell to save some $$$. The battery works fine, but the laptop will now not take a charge. Is there a way to fix this, or has Dell built something into the laptop to prevent people from buying cheaper replacement batteries?

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  • kmtaylor5 Dec 12, 2008

    I have the same problem. My mom has same laptop, so I borrowed her laptop. My battery works in hers and her battery works in mine. My charger works on hers. Her charger doesnt work on mine. So it seems to be a problem with my computer.

  • Anonymous Dec 19, 2008

    I'm having the same problem.  When I plug in my new battery (bought off ebay) the light flashes green and orange and it says it doesn't recognize the battery and won't charge.

  • Anonymous Dec 27, 2008

    yes the battery is not charging,and evetything else works fine but my battery is dead

  • Anonymous Jan 03, 2009


  • Anonymous Jan 04, 2009

    This is the DELL marketing or they really screw up with their batteries made in japan! Judging by the number of complains!

    You should think about buying a brand new laptop. The cost is 150$ at least for a new battery and you will have the same problem in less then 1 year.


    PS: I sure my Acer is better than my Dell

  • Anonymous Jan 07, 2009

    I expect Gimpoid has insufficient knowledge of DC (direct-current) power. It takes 2 conductors to deliver the 19 volts, period. You can't deliver 19 volts on 1 conductor, i.e. an open circuit. The electrons in the DC electricity must flow from one conductor (negative pole) to the other conductor (positive pole). It is possible that a 2.5V AC ID signal is embedded on top of the 19 V DC, but I am not dissecting my power supply to find out. This AC voltage could easily be filtered out by the circuitry inside the Dell laptop.

  • Anonymous Jan 20, 2009

    Another question.

    We live in a completly paranoid world. Why the hell are so many persons having the same issues?

    I'm starting an anti dell campain! This is just the begining. Bad laptops. Especialy the cheap ones.

    I can't believe i was comparing this brand with HP.


  • vioice7 Jan 21, 2009

    I have the same problem. The battery won't go above 10% ... this is stupid ... now at each start the pc says that it doesn't know the battery.

  • Anonymous Mar 13, 2009

    same problem

  • em_e_86 Mar 28, 2009

    My laptop on the original battery said that it couldn't recogonize my battery and wouldn't charge it. Changed the AC as a dog chewed threw it. Then I ended up replacing the battery and it worked fine for about 5 months then started saying the same thing when I turn on my computer if it unplug it I get maybe 15 mins of battery life. I have tried letting my battery die completely 2-3 times and plugging it in to charge and nothing happens. So now I just leave my computer plugged in 24-7 and am thinking about getting a new laptop however at the moment money is tight. Other than the battery problem I love my dells

  • t c jo Mar 31, 2009

    I replaced my dell battery with the expensive dell battery, but I still get the error message. A friend had a dell power cord, so I tried her power cord to see if my old power cord was the problem; it wasn't the problem. When I called dell again, they said I was out of warranty and would have to ship the compute to them for diagnosis--that it was probably the mother board. I am so frustrated. I have been on the phone for over 30 hours and have spent much time on the computer searching out sites. My computer works only with the power cord and will not take a charge.

  • Delphi51
    Delphi51 May 01, 2009

    Original battery died suddenly. New one lasted 2 weeks and died. By died, I mean the notebook would not start up on it. Took original battery apart. Noticed that there are 3 pairs of batteries - each pair in parallel, the 3 pairs in series. The first 2 pairs had 3.67 Volts, the last pair only 2.5. I put a power supply set to 3.6 V across the low pair and it took 300 ma (dropping to 50 ma over a couple of hours) with no heating. Gradually charged it to 3.67 Volts an hour after charging. Note that 3.67x3 = 11.01 and the battery is rated at 11.1 Volts. This should be at least half charged. Computer still won't start. When running on AC it says the battery is charged to 0%. CMOS settings run for a few minutes, also indicates 0%.

    2nd battery has the middle pair at much lower voltage. Actually it is a set of 3 in parallel - this battery pack has 9 cells at is rated at 10.8 Volts, 8800 mAh.

    Would like to know why the pairs are all connected separately to the battery electronics with heavy conductors. What could cause one pair of batteries to be at much lower potential? Does all this suggest a connection problem in the notebook?

  • hadi218 May 16, 2009

    hi, I have a problem with my dell 1501; When the computer is turned on but before Windows starts to boot up, I get this message on a black screen:
    WARNING: The battery cannot be identified.
    This system will be unable to charge this battery.
    Press Any Key to Continue
    Press 2 times to enter SETUP
    Press and Any Key to enter Boot Menu
    so please if you know the way to deal with this
    kindly let me know
    thanks a alot



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If your old battery was doing the same (not charging), then is is because the charger is not charging the battery. Do you have a friend with a Dell laptop? Maybe you can use a borrowed charger to test and see if it will charge the batteries. To answer your question , no Dell does not have anything built in to prevent you from using a 3rd party battery.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Posted on Nov 28, 2008

  • JDTec
    JDTec Dec 26, 2008

    I don't understand why you rated this as inappropriate, I am just trying to help and what I stated it the known fact. I could have helped you troubleshoot this further.

  • JDTec
    JDTec Dec 26, 2008

    You have to make sure that the wattage rating is coerrect on the 3rd party power adapter. I use a universal power adapter made by Targus.

    This is Dell's statement:

    When powering on a Dell portable computer, you may receive an error message similar to:

    The AC adapter type cannot be determined. This will prevent optimal system performance.
    Strike F3 key ( before F1 or F2 key) if you don't want to see power warning messages again.

    Strike the F1 key to continue, F2 to run the setup utility.

    The system will continue to power on after pressing the key, but the error message is repeated every time the system is turned on. Also, the system may exhibit symptoms such as sluggish performance or the battery does not charge.

    The error message can be caused by any of the following:

    • An unsupported AC adapter is connected to the system or docking station.
    • The AC adapter is not fully connected to the system.
    • The wall power cord is not fully connected to the AC adapter
    • The AC adapter or system's AC adapter port is damaged.

    » Ensure a compatible AC adapter is being used.

    Dell portable systems have different power requirements based on the processor type, system features, and configurable options. Use the list below (Table 1) to determine the minimum AC power required to effectively run the system and charge the battery.


    Supported System Models


    Inspiron 1420, 1501, 1520, 1521, 6000, 8600, 8600c, 300m, 500m, 510m, 600m, 630m, 6400, E1505, 640m, E1405, 700m, 710m, XPS M1210, XPS M1330, and XPS M140

    Latitude 131L, D400, D410, D420, D430, D500, D505, D510, D520, D531, D600, D610, D620, D630,D631, X300, Vostro 1000, Vostro 1400 and Vostro 1500

    These systems can also use the PA-10 90W AC adapter.


    Inspiron 1150, 1720, 1721, 5100, 8200, 8500, 9200, 9300, 9400, and E1705

    Latitude 100L, D800, D810, D820, and D830

    Precision M20, M4300, M60, M65, M70 and Vostro 1700


    Inspiron 5150, 5160, XPS Gen2, M170, M1710 and Precision M90


    Inspiron XPS, Inspiron 9100, and XPS M2010

    * Systems that are compatible with the 65W PA-12 AC adapter must use the PA-10 90W AC adapter when connected to a Dell D/Port or D/Dock docking solution.
    Table 1: AC Adapter Compatibility


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Yes, they do have somethnig built in to detect if you are using a non-Dell battery, ergo you would not receive messages like "Battery cannot be identified" at boot up, and a warning that the system won't charge the battery. It is simply a ploy to ensure users buy Dell batteries at their inflated price. It's also known as anti-competitive behaviour in the business world.

Just so you know, they incorporate the same system with the power adaptor. If you use a non-Dell one, it will state that it cannot determine the power adaptor type and then let you know that the laptop will run slowly and will not carge your battery. Another way to make sure you behave and buy only Dell spares. Incidentally, with the adaptor it knows if it's a Dell one because Dell use the centre pin of the adaptor jack connector to send a 2.5V ID signal to the laptop. The positive and negative of the 19V supply is on the inside and outside of the metal barrel of the jack plug. Internal pin is solely for ID signal.

I'm afraid the only recourse is to purchase a Dell adaptor if you wish for the battery to charge. I'd recommend a second-hand one from eBay. Try to buy the highest wattage one you can.

Posted on Dec 25, 2008

  • kattnnip Dec 14, 2010

    I have this problem with the battery, I had connected a non Dell adapter and I got that message but I still went ahead and used the adapter. Now I have a dell adapter but the battery is still not recognized and won't charge. How can I configure my laptop to once again recognize dell adapters?


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I'm using a Dell power supply and Dell battery with my Inspiron 1501. Updating the BIOS fixed the problem. The battery was fully charged during the BIOS update BTW.

Posted on Feb 16, 2010

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A new dell inspiron 1501 battery comes in a discharged condition and must be charged before use . Upon initial use (or after a prolonged storage period) the 1501 battery may require three to four full charge/discharge cycles before achieving maximum capacity.
New dell 1501 batteries are hard for the device to charge; they have never been fully charged and are therefore "unformed". Sometimes the device's charger will stop charging a new battery before it is fully charged. If this happens, remove the battery from the device and then reinsert it. The charge cycle should begin again. This may happen several times during the first battery charge. Don't worry; it's perfectly normal for the inspiron 1501 battery

Posted on Mar 03, 2010

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Update your BIOS:

Posted on May 30, 2009

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Trouble Shooting for Unrecognized Adapter
1. Check along the wire and the dell inspiron 1501 Adapter box for any signs of abrasion or physical damage.
2.Check the connection between the power cord and the Adapter box. Also the status LED’s color.
3.Check the port in the laptop for any signs of damage and see if the Adapter connector is tight or wiggles.
4. Connect the Adapter to the computer and open up BIOS and check whether both the dell 1501 battery and the adapter is recognized or it gives an unrecognized adapter error.
5. Reseat the battery and the laptop ac Adapter power cord and check if it works.
6. Try flashing the BIOS once if possible, because I recall a bug in one of the older inspiron notebooks in which the dell inspiron 1501 adapter was recognized after the BIOS was flashed, but they would have most probably got it fixed by now.
If all of the above steps dont fix the problem, the Adapter has probably gone bad, Contact Dell Tech Support.

Posted on Jan 26, 2010

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