A battery chemistry widely used in many modern electronic devices, characterized by high energy and power density.

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51
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6answers
7k views

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 ...
0
votes
2answers
52 views

Is it bad to put 3.7V on 3V mice?

I have mouse that take two AAA batteris, so it take 3V. Is it OK put one 10440 of 3.7V and one spacer instead?
10
votes
2answers
2k views

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 ...
0
votes
1answer
180 views

Should I keep my laptop plugged in as much as possible? [duplicate]

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 ...
0
votes
2answers
1k views

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 ...
0
votes
1answer
1k views

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@...
0
votes
1answer
650 views

Prolonging Lithium-ion battery life: what should I do? [duplicate]

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, ...
3
votes
1answer
3k views

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 ...
1
vote
2answers
166 views

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 ...
2
votes
1answer
485 views

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 ...
15
votes
2answers
8k views

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 ...
9
votes
3answers
1k views

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 ...