> > I see Type I, II, III, and VST batteries for the Duo's. And Apple made a
>> small 2 battery Type I and II charger that used the AC supply for power.
>
>> What the difference between these batteries?
>
>Type 1 is the original battery that came with Duo 210 and 230. These battery
>do not mention Type 1 on the case anywhere. It holds very limited charge and
>won't last long on newer Duo (especially the 280's and 2300c) Type 2 came out
>later and held more charge and would laster longer on the 210 and 230 plus it
>was designed for the 250 and 270c. Type 3 is the last one Apple made and
>holds the longest charge of all 3 and will work in any Duos.
From what I recall, the Type 1 was 1100 mAh, Type 2 was 1500 mAh, and
type 3 was 1600 mAh. I think the Type battery used a different size
of cells compared to the Type 2 and 3.
>I don't know much about the VST brand but I heard it's even better.
I think they are 1800 mAh.
> > Will the Apple charger charge the Type III or VST batteries? Or are other
>> chargers available/needed?
The apple charger (M1812) can do Type 3. Presumably if the VST
battery uses higher capacity cells, it should be chargable with the
apple unit.
For example, I have a rebuilt Duo battery that has 2700 mAh (thats
what they told me) cells. It charges just fine on AC or in the dock,
although I have not yet tried the charger.
>Apple brand charger should work with all batteries. I do know there are 2
>different models of the charger, with the older one not able to charge Type 3
>battery at all. Newer version can use Type 3 battery but it may need a
>firmware upgrade. If you plan to use Type 3, make sure you have the battery
>charger model M1812.
If you are using a system 7.5.5 or later, I think you have all the
software necessary to charge the batteries. An older charger may
need to be flash updated to charge Type 3 batteries though.
Look through the www.support.apple.com site for duo information. it
is all there.
>
>Sometimes yes, sometimes no. With Duo, you need a dock of some kind to get
>anywhere beyond simple typing and printing. No dock, no floppy drive, no
>external monitor, no etc.
True. The duos are cheap. The batteries are about $100 new for a
good one, docks are cheap (except minidocks). Floppy and adapter go
for ~$30.
Mad Dog
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