Canon 5D Mark IV very fast battery drain in stand-by
Just wondered if any of you encountered this issue (I will take it to a service facility, but wanted to know similar issues):
Camera has 95k clicks and the battery drains very fast: at 2-4%/hour rate. Tested with three batteries, one brand new and with different lenses. Of course, no WIFI/GPS active. It basically drains completely overnight. Before all this I left it unused for 3 weeks, then connected to my laptop to check the shutter wear using a free program (Tornado).
If the camera is set to Off or I set the Auto Power Off to the minimum setting (1 minute) there is no drain. So it's definitely a camera issue.
Have any of you experience these drain?
Jul 20, 2025 at 04:05 AM
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