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--- doc:appunti:hardware:xiaomi_yi [2021/04/08 09:37] – [Time-lapse] niccolo
+++ doc:appunti:hardware:xiaomi_yi [2021/04/13 06:29] – [Battery duration] niccolo
@@ Line 98: / Line 98: @@
 This means that a new battery **does not fit** into an older camera, instead an old battery **requires a thickness of 1 mm** to stay into the new camera. The only change in sizes are about **battery** and **battery cover**, it seems that sizes of the camera body is unchanged.
+===== Battery duration =====
+I tested some batteries for duration in video recording. Some baterries are rather old, some are brand new. The video is automatically split approximately every **1.9 Gb**, using high quality video this means about 22 minutes.
+During the test I experienced some unexpected stops in recording: the camera emitted a beep followed by three short beeps (FIXME check actually) then stopped recording. The camera remained on, the battery was not empty (the ring LED was still blue) and SD card had plenty of space. No overheat was evident: room temperature was about 19 °C and camera body was cold. I just pressed the video button again to start another recording. May be some glitches into the SD card? It was a Samsung 32 EVO microSDHC, Bus UHS-I, UHS Speed Class U1.
+^ Battery Model and Brand     ^ Service Status     ^ Video Recording Duration  ^
+| AZ13-1 Yi original 1010 mA  | Used, 5 years old  | 70 min  |
+| AZ13-1 Kingma 1010 mA       | Used, 5 years old  | 64 min  |
+| AZ13-1 MTB 890 mA           | Brand new          | 89 min  |
 ===== Lens Distortion Correction =====