[Olpc-open] some questions...

[Rafael Enrique Ortiz Guerrero]

for  specials features of the machine (like Batteries)  please see:

http://wiki.laptop.org/go/Hardware_uniqueness
and
http://wiki.laptop.org/go/Hardware_specification


NiMH batteries are chosen to enable high charging efficiency from a
generator (LiION batteries require very close control of charging voltages,
so any higher voltage would have to be clamped and power wasted).
Additionally, NiMH batteries have no safety problems (LiION batteries, when
they fail, can fail by burning at extremely high temperature). And LiION
batteries should be recycled carefully. NiMH batteries pose no environmental
concerns.
Power-efficient processor & electronics. Consumes 1/10th the power of
"normal" notebooks

Long battery life => more useful. Under typical use, the computer should
last the entire school day without requiring charging. Avoiding disruption
in class rooms, and/or the need for wiring (or use of generators) in the
class room for power is very important.
Removable battery packs, that are much lower cost than conventional LiION
battery packs. This enables easy swapping of batteries so that one set might
charge while another are in use.


I wish this could solve some of your questions.
-- 
Rafael Enrique Ortiz Guerrero
OLPC Colombia
http://wiki.laptop.org/go/OLPC_Colombia
Grupo de robotica libre DROZ
http://www.el-directorio.org/DrozConfluence
http://el-directorio.org
El sitio de software Libre en Colombia
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