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February 11th, 2023 05:00
Full Charged Capacity E7470
Hi, i bought this laptop a few days ago used, and i had no problem with it, except from battery. The first day the battery showed its condition as "Excellent" but now its says "Fair" so i checked it with the html report and each day it was losing 2000mWh of its full charged capacity. It also drops from 30 to 7%. I already tried to manually calibrate the battery but nothing solved, i even lose like 4000mWh from the process. My question is, if i replace it will be solved? because maybe theres some problem with the pc and not the battery, maybe the new one its gonna do the same. (Sorry for my english).
Ask me if u guys need anything else.
Thanks!!
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JOcean
11 Legend
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February 11th, 2023 05:00
The E7470 is around 5-6 years old and if that battery is the original then it could very well need replacing. Losing charged capacity like you have stated can be a symptom of a battery showing it's age. And if it is not an original Dell battery that could account for problems as well. Battery life in a Dell laptop is usually 1 1/2 -2 years depending on usage and how many charge cycles the battery has been through. If you decide to replace, genuine Dell OEM batteries can be found at Parts-People web site here.
MM6789
3 Posts
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February 11th, 2023 05:00
Yes, but do u see that normal? 2000mWh dropping each charging cycle. Do u think this can happen with a new battery? or 100% its gonna be fixed.
Thanks!
ejn63
12 Elder
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February 11th, 2023 07:00
The battery has less than half its design capacity left. It does need to be replaced.
If the system has a warranty, ask the seller for a replacement battery (assuming it's covered).
If not, you need to purchase a new battery, preferably OEM.
MM6789
3 Posts
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February 11th, 2023 07:00
But do u think this massive drop of mWh its not gonna happen with a new one? do u think it could be a problem with the laptop itself?
ejn63
12 Elder
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February 11th, 2023 08:00
No one can ensure that the issue won't occur with a new battery, but given that the battery is clearly at the end of its lifespan, you won't know until you replace the battery.
It's highly likely a new OEM battery will solve the problem. If you decide to try a third party battery instead for cost reasons, look for a reliable seller that is willing to stand behind the product. Non-OEM batteries can be very good, viable units -- or they can be under-engineered junk.