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[BUG] 14.13 New Stopwatch Battery Drain

The updated stopwatch app drains battery extremely fast (~1%/hour) if you keep the stopwatch screen on. Running stopwatch in the background consumes negligible amount of battery. This looks like poor optimization since the stopwatch face only updates once per second (except for the first 8 seconds when it shows centiseconds) like a watch face.

0 FlipStone over 2 years ago

What was drain like before?

As I mentioned in the other thread, watchfaces can redraw very efficiently but widgets/apps etc are simpy 'active' which will drain battery way faster... So this doesn't surprise me at all, not sure if the highly efficient power mode is available outside watchfaces or what issues it could cause when used outside it because I know it's pretty sensitive in time-allowed etc.

0 1078445 over 2 years ago in reply to FlipStone

Last time I tested the old stopwatch was on a Fenix 6 pro and it was using ~0.5%/hr. Never tested on the FR955 but ~0.5% feels right based on my experience. The difference between the old stopwatch and the new one is significant enough that I immediately noticed a lot shorter battery life with a lot of stopwatch use and the battery graph widget also shows unusually steep drops whenever stopwatch is in used.

So something they did made the stopwatch drain battery almost twice as fast. In fact, the new stopwatch drains battery as fast as a custom activity with GPS turned off. If the reason is they implemented as an app so this level of battery drain is expected, that's poor design to me because there's little reason a function as simple as stopwatch should be implemented in such an inefficient way on a watch designed for good power efficiency.