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Issue 765288 link

Starred by 1 user
Status: WontFix
Owner:
tbuck...@chromium.org
Closed: Sep 2017
Cc:
█ jennschen@chromium.org
zalcorn@chromium.org
peter@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 3
Type: Feature



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Improve low-power charger notification

Project Member Reported by zalcorn@chromium.org, Sep 14 2017 
From user feedback:

"I'm connected to my Pixel phone charger, and when I click the status area in the system tray, it says "Low power charger". There had been a notification saying the computer may not charge, too.

It would be great to get more information, such as "charging slowly", "maintaining battery level", or "draining slowly". Even if this changes based on the workload, it would still be nice to see the current value in the tray."

We've heard this from a few different folks, with proliferation of USB-C chargers we should consider improving.

@Tom, are you the right owner?

Comment 1 by tbuck...@chromium.org, Sep 18 2017

Cc: zalcorn@chromium.org
Status: WontFix (was: Unconfirmed)
I don't think this adds much to the current "low-power charger" notification (see reasons below). I could see using charging-slowly/maintaining/discharging as a signal as to whether to show the user a notification about the charger, but then we would also need to avoid spamming the user with notifications as their workload changes.

Please re-open if you disagree.

- It doesn't provide anything more actionable than the "low-power charger" notification, it just expresses degrees of urgency to find a better charger. Even if it is currently charging, we should still be clear that they will have a better experience with a full-power charger.

- We either need to still include "low-power charger" so that users know the charger is to blame for it eg. "draining slowly" (which now takes up more space), or we drop the "low-power charger" string and risk confusing users.

- What's true at one point may not be true later as workload changes, which is confusing; looking at the actual % remaining of battery over time is more accurate than the instantaneous "am I discharging or charging".

- Right now, it appears that ~3.8% of users are seeing a charger with <30W [1].

[1] https://uma.googleplex.com/p/chrome/histograms/?endDate=20170916&dayCount=7&histograms=Power.PowerSupplyMaxPower&fixupData=true&uniqueUsers=true&showMax=true&filters=platform%2Ceq%2CC%2Cchannel%2Ceq%2C4%2Cisofficial%2Ceq%2CTrue&implicitFilters=isofficial
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