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My laptop turns off as soon as I disconnect my charger.I think the battery might not be properly connected. Normally, when connected to the charger, my laptop would signal a green light when the battery is fully charged and a red light when it is being charged.

But now that light turns red and green alternatively when I connect the charger.

I've included pictures of the battery. There is a close-up picture which shows some slits. All the slits have some yellow thing in them, except for the second slit. Could this be the probelm causing the battery to not connect properly? I used to remove the battery (then insert it back in) frequently in the past whenever the laptop would freeze. Could the yellow thing in the second slit have fallen off? Is this repairable?enter image description hereenter image description here

This is the portion of the laptop where the battery connects too. Those yellow slits connect to these yellow stripes. Here too, one strip is not yellow.

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    Now seeing your newly added picture it would appear that it is not missing anything on the battery. That black piece on the laptop matches up with the part on the battery with the bigger gap and missing yellow piece. Your battery just probably hit its end of life. Buy a new battery. – n8te Jul 15 '18 at 8:48
  • @n8te It's 7 years old. Is this the average life of these batteries or did I f*** up early? – Ryder Rude Jul 15 '18 at 9:38
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    I've had laptop batteries last far less than 7 years, so there's definitely nothing out of ordinary about the fact that yours is dying now. – n8te Jul 15 '18 at 9:41
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    Modern batteries have limited number of charge- and discharge cycles. After 7 years of average use it is likely at the end of its useful life. Depending on bad use (e.g. always drain fully, then plug in to recharge when empty) they may even go bad after two years. – Hennes Jul 15 '18 at 11:53
  • You can try to reset battery charging, which costs nothing, though at 7 years, the battery is probably deceased. See dell.com/support/article/gu/en/gubiz1/sln296542/… for Dell, for example. – DrMoishe Pippik Jul 15 '18 at 18:11

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