A battery chemistry widely used in many modern electronic devices, characterized by high energy and power density.
Questions tagged [lithium-ion]
20 questions
64
votes
6 answers
How to safely store a defective (bulging) lithium-ion battery
I have a defective lithium-ion battery, one that is bulging quite severely, it's about 50% thicker in the middle than at the edge.
While the battery actually still works, I've replaced it as the old one didn't fit inside the device any longer, and…
A.Grandt
- 751
14
votes
2 answers
How long do Lithium Ion batteries normally last?
On the laptop I have, I've had to buy a new Li-Ion batter roughly every year. I do use this computer quite a lot, but I'm wondering if this is normal.
Right now, my battery is completely dead (it lasts for about 0.1 seconds), so I plan on buying a…
Zifre
- 1,630
11
votes
2 answers
What happens when laptops reach 100% charge?
I have been reading alot of mixed views on how Lithium Ion batteries work when it comes to laptops. I have the new dell xps 15, with an intel i7 cpu, 16gb ram, and a 512gb ssd.
Is it bad for the laptop to leave it constantly plugged in when not on…
HuntressMain
- 329
8
votes
4 answers
How to rebuild a Li Ion laptop battery?
I have an aging Gateway NX560XL laptop. The battery is toast and a new one, even aftermarket, starts at $130. So, to experiment, I began tearing apart the old battery to see what can be done. I found it used 8 standard size 18650 Li Ion cells…
spoulson
- 1,668
3
votes
1 answer
Does freezing a Li-ion battery have any effect on its ability to hold charge?
Ok. I've heard this rumor at least 100 times. I can't find any information to substantiate it or any serious research done it. Is it a total rumor, or is there truth to it? Has there ever seen a study on this?
Evan Carroll
- 9,518
2
votes
1 answer
Laptop battery liftime from Dell specs?
Question: When I buy a Dell Laptop, I get the following choice for battery:
(Lithium-Ion main battery with X cells and Y Wh [included in price/at additional $]
Lithium-Ionen-Hauptakku mit 4 Zellen und 24 Wh [Im Preis…
Quandary
- 2,193
1
vote
2 answers
How does one guarantee that the Lithium Ion Battery hasn't sat on a shelf for a long time?
Lithium Ion batteries being the milk of batteries that they are; I was wondering if there is any way of obtaining a guaranteed fresh carton of power with an expiration date so one can tell if they are being ripped off or not?
I'd like a new battery…
leeand00
- 23,552
1
vote
1 answer
PC Shuts Down Before 10% and Battery Test Shows Battery Capacity Reduction
I recently purchased a new Li-ion battery for my HP Probook 4520s PC which claims to be 5200mAh/58Wh. When I ran battery scan with windows powershell, I saw that the capacity was 45Wh.
I was directed by the user manual to use the battery till 2%…
scisamir
- 15
1
vote
2 answers
Would using a laptop battery with 0.2 V difference hurt my laptop?
A similar question has been asked before but it doesn't answer my specific problem.
I got the HP Star Wars Special Edition Laptop (HP Pavilion series) when they were promoting The Force Awakens about three years ago. I'm looking to replace my…
Zach
- 13
1
vote
2 answers
Laptop battery stopped working overnight
I have an old laptop (Acer apire timeline X 5820tz) which actually has the original (li-ion) battery, few years old. Despite the age, the battery was working well, allowing the laptop to run for several hours (comfortably over 4 hours of work). I…
fales
- 43
1
vote
1 answer
Optimizing battery health on device that is usually plugged in
I just discovered (from an Android app called AccuBattery) that fully charging a lithium ion battery is significantly harder on it than charging it to only 80% or less. Most of my devices use lithium ion batteries, and most of the time (especially…
BlueMonkMN
- 607
0
votes
1 answer
Should I keep my laptop plugged in as much as possible?
I know there's already some feeds on this but I just can't get one straight answer. Everybody says different things. I have an Asus laptop with a Lithium-polymer. I do game a lot so what's your opinion. I want my battery life to last, so wouldn't…
Jacob B.
- 1
0
votes
2 answers
Is it safe to leave a Li-ion battery for weeks unplugged while it's not fully discharged ? And is it safe to unplug it while the PC is on?
Is it safe to unplug a li-ion battery not-discharged and leave it unplugged for a considerable period of time? (Less than a month)
Is it safe to unplug the battery while the PC is on and directly plugged to an AC power?
reaffer
- 125
0
votes
1 answer
How to initialize a lithium-ion battery?
I just bought a lithium-ion battery for a Lenovo ThinkPad T61, and frustratingly it displays being able to charge only at 91% of its design capacity (65.16 Wh out of the designed 71.28 Wh).
liv@malou-laptop:~$ upower -i…
landroni
- 419
0
votes
1 answer
Prolonging Lithium-ion battery life: what should I do?
There are many suggestions about lithium ion battery:
Prevent over-discharging. Cell reversal can cause an electrical
short.
It is good for the battery to be completely discharged every so
often, about once a month.
Q: Should I totally discharge,…
Jesi
- 101