Changes to Step #21

Edit by Walter Galan

Edit approved

Deleted
Added
Unchanged

Step #21 Lines

[* black] Each separate cell lists its rating of 3.78V3.78 volts and 14.60Wh14.60 watt-hour. They're graced with some more matrix barcode tags and wonderful inscriptions that read 741-0065-A P11GG9-01-F01TS. Swoon.
[* black] Each separate cell lists its rating of 3.78V3.78 volts and 14.60Wh14.60 watt-hour. They're graced with some more matrix barcode tags and wonderful inscriptions that read 741-0065-A P11GG9-01-F01TS. Swoon.
[* black] Chris Foresman at Ars Technica compared the energy density to the battery in the iPad 2, and it comes out about the same—around 0.0014 watt-hour / mm^3.
[* black] Apple physically increased the size of each cell by about 70%, explaining the big jump from 25 to 42 watt-hours.