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From: boebert@sctc.com (Earl Boebert)
Newsgroups: comp.sys.laptops
Subject: Re: T1000SE battery life (Again!)
Message-ID: <1991Mar9.230924.388@sctc.com>
Date: 9 Mar 91 23:09:24 GMT
References: <1991Mar6.144407.3956@batcomputer.tn.cornell.edu> <1092@rna.UUCP>
Organization: SCTC
Lines: 27

dan@rna.UUCP (Dan Ts'o) writes:

>In article <1991Mar6.144407.3956@batcomputer.tn.cornell.edu> pwong@theory.tn.cornell.edu (Patrick Wong) writes:

[stuff deleted]

>)So, should I start considering connecting some small dc light bulb to help
>)the battery to discharge further (some netters mentioned earlier about doing
>)it to their batteries) or do nothing (other netters said Toshiba tech people
>)won't recommend this, although Toshiba also admits that the battery actually
>)still has charge by the time the machine shuts itself down).

>	The battery definitely has quite a residual charge left when the
>machine shuts down. I think Toshiba really wants you to drain the battery until
>the machine loses its "hard RAM". I don't know why Toshiba can't set the
>shutdown point to make greater use of the battery's residual charge. Perhaps
>I'll try and go into the machine to alter that set point. must be a pot or
>voltage divider somewhere...
>	I've taken to discharging the battery after the T1000SE has shutdown
>using a 6volt flashlight lamp. The lamp stays brightly lit for perhaps an
>hour or more -- plenty of charge left. I stop when the voltage is 4-5 volts
>or so. It seems to help quite a bit.


The Toshiba manual for the external charger states that batteries left in
an unplugged charger will be discharged.  Is this a save alternative to the
flashlight trick?