Re: [NTLK] 2100 Battery Pack

From: G.E. Ross (g.e.ross_at_sympatico.ca)
Date: Mon Oct 28 2002 - 20:07:54 EST


On 10/28/02 7:47 PM, "Matthew Boulanger" <matthewboulanger_at_mac.com> wrote:
> A friend of mine recently purchased a MP 2100 but it arrived with a bum
> battery pack. I've recommended that he try to refurbish it

Before you do anything extreme you might want to try this technique from a
previous post:

On 10/21/02 10:39 AM, "Vernon LeMoignan" <greenguy_at_oanet.com> wrote:

> I recently bought a 2100 on ebay as a backup.
>
> when it arrived the battery pack was dead and the Newton wouldn't
> charge it. I've worked repairing
> computers for a long time and had seen similar problems with laptops
> before, were the battery voltage
> was so low that the charging circuitry wouldn't see the battery, and as
> a result wouldn't charge it.
>
> So since it was dead anyway I grabbed my power supply set it to about 6
> or 7 volts and connected it ( + to +, - to - )
> to the battery for a few seconds. Effectively manually charging the
> battery. The battery's voltage jumped from
> about 2.5V to 3.5V. I tried it again and got it close to 4 volts.
>
> I inserted it in the Newt and it immediately started charging it. I've
> been using it intermittently for the
> last few weeks with no problems at all! Works just as well as my
> original pack.
>
> This likely won't help a battery that was working and suddenly died, or
> one that the newton is already trying to charge.
> However for a battery that may have been sitting a while and isn't
> charging at all, this could help.
>
> Sorry if this is covered somewhere else.
>
> Vern.

Glenn

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