They set out to answer those questions this afternoon, and they were kind enough to document the process with high quality photos.
Unsurprisingly, the first thing you’ll notice when you pry off the back panel is a very large battery. The Kindle Fire has a 4400mAh, 16.28Whr battery which Amazon says should provide up to 7.5 hours of video playback time.
While the battery is the dominant feature, there’s also a small system board which houses the 8GB of flash storage, 512MB of DDR2 RAM, WiFi, and audio chips as well as other components. Everything appears to be soldered to the board, so it doesn’t look like it would be easy to upgrade the storage space on the Kindle Fire, which is a shame since the tablet doesn’t have a microSD card slot.
You can find more photos and details about the Kindle Fire’s internals at iFixit.