The only two components attached to the rear panel are the microSD flap and the battery.

The battery is held in place by some heavy duty tape, but our metal spudger eventually unsticks it all.

The battery is rated at 3.7V and 1530 mAh for 5.66 Wh—a solid rating for an e-reader.

Barnes & Noble claims that the battery provides, at an average of one hour of reading per night, one month of usage per charge with the GlowLight on, or two with it off.