Li-ion battery pack question (did cut a hole in a li-ion pack protective cover)

[Hagis2k]

Hi well i was replacing the panel in a siemens qv830 tablet that i bought for $10 but while i tried
to remove the battery pack my knife blade punctured the "protective aluminum/plastic film" and i smelled
a strange odor like metallic/sweet first i didnt take it to serious so i just sealed it up with some tape
nothing bad did happen in hours but i could feel that smell during charging so i took the decition to
remove the battery and trash it.

How do you remove these batteries that are stick to the rear of the display with double sided tape/adhesive
the easiest way? because i removed a battery like the way above a month ago with no problems but i guess
my blade was dull and i just changed the blade to a new one.

It is about the same as this:

http://www.ebay.com/itm/3-7V-6000-mAh-Polymer-replace-Li-Battery-LiPo-For-GPS-PSP-ipod-Tablet-PC-3691155-/181645781560?pt=LH_DefaultDomain_0&hash=item2a4aeeaa38

I just feel like it is not advisable to use that pack when you can feel the odor.

[Rasz]

whats a small fire among friends, right?

use plastic tools

[eas]

Plastic tools, and maybe a hot water bottle to heat the backside of the case to make the adhesive release more readily.

[poot36]

You can also try using liquid label remover to soften the glue (Goo Gone etc).  Just slightly lift one side of the battery and put a small amount of the liquid between the battery and case and leave some pressure on it to help it keep coming off and use gravity to your advantage to help the liquid keep flowing onto the freshly released glue.

[amyk]

^ That might also soften the battery casing, with similarly bad results.

A mild amount of heat is usually the best solution; failing that, a sharp, thin blade and careful work can also be fine.

[Hagis2k]

Yes lesson learned not to use a sharp knife, better to use plastic knife and something to lift the battery pack up slightly and maybe use the hot air to soften then glue

[mikerj]

^ That might also soften the battery casing, with similarly bad results.

It's rather unlikely that glue remover is going to soften aluminium.  It might cause problems with some plastics within the device though.