5 ms·

There’s a chip that is on even when the device is off - others will have more information and links. There was discussion recently about this. I think it’s to

• bsjks 5y ago
  I don’t think that that feature is using 100% of battery in a week.
  • dt3ft 5y ago
    This is what I'd venture to say as well, having had my fair share of experience tinkering with attiny45, which I could run for years on very low power. It doesn't add up.