OLPC Battery Life: What’s the Real Story?

“On Sunday night, 60 Minutes reran a segment on the OLPC (One
Laptop Per Child) project originally broadcast in May. I missed it
the first time and never got around to watching it online…

“Hearing OLPC representative Walter Bender repeat the claim of
’10 or 12 hours’ of battery life ‘with heavy use’ reminded me of an
open question from the last few times I blogged about the OLPC
project. What is the battery life of this machine, really…?”