[Swansea Hackspace] New Project - Powerpack for a laptop

[Neil Jones]

On 12/09/14 13:05, djdavies83 wrote:
> I wouldn't mind adding a little content to the project/batteries section.
> On the way home a the other night I stoppoed into Aldi for some bits 
> and notice a 14.4v Acer laptop battery next the the recycling point 
> and thought I wiuld do the responsible thing and teuse rather than 
> have it go through a process of recycling.
>
> Checked each cell and they were all at 4.18v, used a iMax B6 charger 
> and disscharged then to 70% for storage and from the mAh disscharged 
> they appear to be 2700(ish)mAh even though the labels say 2500mAh.
>
> So very happy with that find, I'll put a pair in my DIY transmitter 
> and properly record the process of salvaging used laptop cells fow low 
> power application.
>
> Won't make it again tonight, family life snares me once again.
>
I am finding this discussion absolutely fascinating. I'd really like to 
know more about how these batteries can be used safely.
There are issues with Lithium Ion batteries as some of us know. This is 
the on-line diary of one of our members

http://zeniv.linux.org.uk/~telsa/boom/

Neil
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