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ortek_service · 15th May 2021, 12:13 am

The linked- spec says:

Battery: 3.7V 1800 mAH LiPo 103450
• Operational time: > 6 hr continuous

So that would make the operating current < 300mA, and could well be that it's not actually switching-off. And could try measuring the current when it's on, to see if it changes much.
It might be that only the display / backlight is being switched-off and there is a shorted transistor power switch to most of the circuitry.

15th May 2021, 12:13 am	#6
ortek_service Octode Join Date: May 2018 Location: Northampton, Northamptonshire, UK. Posts: 1,442	Re: Antenna analyzer battery fault The linked- spec says: Battery: 3.7V 1800 mAH LiPo 103450 • Operational time: > 6 hr continuous So that would make the operating current < 300mA, and could well be that it's not actually switching-off. And could try measuring the current when it's on, to see if it changes much. It might be that only the display / backlight is being switched-off and there is a shorted transistor power switch to most of the circuitry.