Posted by
Hemos
on from the fun-with-my-screwdriver dept.
Griffone writes "The Gadgeteer has four quick photos of a dismantled Palm VII. Question though - you can see its rechargeable battery, but what are the OTHER two holders for? Batteries? "
other holders are for the AAA's
by
stripes
·
· Score: 3
It uses two AAA's like a normal (non-V) Palm. The batt you see is the one for the wireless crud which gets charged from your AAA's automagically. Why? I donno, maybe it needs some odd voltage Palm couldn't get from the AAA's, or the wirelsss goop was from another compony and that was the way to tack it on with the fewest changes, and therefore the lowest time to market.
It's a bit of a kludge.
Re:other holders are for the AAA's - not a kludge
by
BenW
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· Score: 3
The rechargeable battery is just a reservior to smooth out the load. NiCads have a much lower internal resistance (and therefore higher current capability) than alkalines. The radio needs short bursts of relatively high currents on transmit.
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It uses two AAA's like a normal (non-V) Palm. The batt you see is the one for the wireless crud which gets charged from your AAA's automagically. Why? I donno, maybe it needs some odd voltage Palm couldn't get from the AAA's, or the wirelsss goop was from another compony and that was the way to tack it on with the fewest changes, and therefore the lowest time to market.
It's a bit of a kludge.
The rechargeable battery is just a reservior to smooth out the load. NiCads have a much lower internal resistance (and therefore higher current capability) than alkalines. The radio needs short bursts of relatively high currents on transmit.
:)
Think of it just like a very big capacitor.