My Reply follows quote. On 17/06/2003 10:08 [EMAIL PROTECTED] said: 
 

>My PB145 works fine with charged battery, dead battery, or no battery
>at all. I just booted it not 5 minutes ago without one. The only thing
>that would prevent booting was a bad or totally dead battery. In the
>case of totally dead, plugging in the PB (off, not asleep) with battery
>over a weekend.
>
>Incidentally, does anyone know how to open up a PB 1xx battery pack
>without damaging it? Or with a minimal amount of damage?

Well, I have opened them. Because they are glued/welded at the seams, 
some damage does happen. However, by using a slim screwdriver and 
starting at the area near the connector I have worked my way around the 
perimeter with little enough damage to be able to glue it back together. 
I expect your results depends largely on how much glue was used in the 
first place.

>And does anyone know an approximate average Amp-Hour rating for a
>normal 6V lantern battery?

Hmmm, no, but the real problem with these things is that they are either 
the old carbon-zinc or the newer alkaline things (at least the 
non-recargeable ones). Thus their voltage curve in use makes them not 
suitable for computer use. A Nickel-Cadmium cell has a rather flat decay 
curve until it reaches near discharge. The older cells have a steady 
slope decay and, while they will deliver some power over a longer time, 
their delivery voltage quickly drops below that needed for electronic 
devices such as a computer which need a constant voltage supply.

Ken


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