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#75108 - 02/13/07 10:58 PM Renew cordless drill batteries..
Cinner Offline
Member

Registered: 12/01/04
Posts: 77
Loc: Kelowna, B.C., Canada
Does anyone know if you can renew your codless drill batteries?

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#75109 - 02/13/07 11:58 PM Re: Renew cordless drill batteries..
Elviscat Offline
Member

Registered: 08/13/05
Posts: 214
Loc: Seattle Washington USA
well I know you can both have the batteries rebuilt, and buy new cells for them that you can solder together yourself, this link should help http://electrical-contractor.net/ubb/Forum1/HTML/007438.html

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#75110 - 02/14/07 02:41 AM Re: Renew cordless drill batteries..
jdo1942 Offline
Junior Member

Registered: 11/13/05
Posts: 32
Loc: st. louis, mo. usa
You can get the batteries rebuilt at "Batteries Plus" or other similar stores.

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#75111 - 02/14/07 05:12 AM Re: Renew cordless drill batteries..
NORCAL Offline
Member

Registered: 09/25/02
Posts: 807
I had a battery rebuilt at "Batteries Plus" it was $15.00 cheaper then a new one and had to drop off and pick up the battery so where are the savings?

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#75112 - 02/14/07 07:04 AM Re: Renew cordless drill batteries..
NJwirenut Offline
Member

Registered: 09/15/01
Posts: 816
Loc: Bergen County, NJ
I rebuild them myself. You can buy NiCd and NiMH cells with solder tabs from DigiKey or other electronic suppliers, and stick new packs together with a soldering iron and some hotmelt glue.

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#75113 - 02/14/07 09:50 AM Re: Renew cordless drill batteries..
gfretwell Offline

Member

Registered: 07/20/04
Posts: 9045
Loc: Estero,Fl,usa
There was an article on a machinist BB the other day about this and they talked about zapping NiCads with a lot of current to burn the whiskers off. The safe way is with a big capacitor, charged up to about 1.5x the working voltage. Other thoughts were automotive battery chargers or just using jumper cables to a car battery for the 9.2v
It was pointed out that if the vent is plugged these things might blow.

I have zapped a NiCad before and it does work but some battery packs have a fuse in them that blows when you do this. (notably the IBM "Convertible" PC battery)

I would suggest putting these batteries in a piece of 4" and don't stand near the ends if you try it.
_________________________
Greg Fretwell

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