iFixit has conducted an iPad mini teardown, finding a Samsung LCD and confirming stereo speakers — making the iPad mini the first handheld iDevice to have stereo speakers. It’s noted that though the teardown unit uses a Samsung LCD, some other iPad minis likely use different manufacturers. The battery is marked with confusing labels — it’s marked as a 3.72V, 16.5 Watt-hour, 4400 mAh battery. But elsewhere, it appears to be marked as…