Re: Battery suggestions

OK -- yes, it is Lithium-Ion.

So I just charge it up and go with it.

Mel
"PDR" <peter.rieden@xxxxxxxxxxxxxxxxxxxxx> wrote in message
news:47a0b8a5$1_1@xxxxxxxxxxxxxxxxxxxxxxxxx

"MZB" <moo@xxxxxxxxxxxxxxxxx> wrote in message
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Now for my question: what's the best way to deal with the new battery?
Obviously, I place it in my laptop. Should I charge it extra long? Should
I run it until it is completely discharged a few times? In other words,
is there anything special I should do?

If it's a NiMH battery then you should give it one long charge period to
achieve the full "forming" charge (15-20 hours), and then make a habit of
running it down to as near empty as you can at least 2-3 times a week -
NiMH batteries don't like being "float charged" and the deep discharges
reallyu extend their life.

But NiMH packs in laptops are rather rare these days, the majority being
Lithium (Lithium-Ion, Lithium-Polymer or Lithium-Phosphate) these days.
The lithium cells just need to be fully charged (usually around 90 minutes
from empty, but the charging systems vary so check your laptop
instructions) and then used. The laptop's battery management circuits will
ensure the cells aren't over-discharged, and lithium cells don't really
care about partial-vs-deep discharging, so the use pattern doesn't really
affect them.

The thing that DOES affect the life of these cells is temperature. Try to
avoid exposing them to temperatures below 10degC and above 40degC. The
"catch" is that it's not unusual to find that the cells get quite warm
when a laptop is sitting in a docking station or on a desk usuing mains
power, largely because the battery bay cooling is inadequate when the
laptop is sat on a smooth surface like a desk. If you make a habit of
using the thing on mains power for extended periods you can significantly
extend the battery life by removing the battery once the mains power is
connected. Other than that, you just take the life it gives you!

PDR



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