Garmin 820

[Mo1959]

I don’t need my phone as the 820 has built in GPS.

So you don't have the Garmin Connect app on your phone? I found that's what was running my phone battery down. Since deleted it and it's back to normal. My walking/running Garmin can download via wifi but I just have the Edge 520 for cycling which either has to sync via the phone app or connect to the pc via usb which I do now.

 

[Doobiesis]

Yes I do have Garmin Connect but I don’t turn it on whilst cycling. Just when I get home.

 

[NorthernDave]

So you don't have the Garmin Connect app on your phone? I found that's what was running my phone battery down. Since deleted it and it's back to normal. My walking/running Garmin can download via wifi but I just have the Edge 520 for cycling which either has to sync via the phone app or connect to the pc via usb which I do now.

I run Connect, paired with an 810, on my Android phone. It seems to have negligible effect on battery and will happily run for 8 or 9 hours on a ride while linking to Livetrack and still have 20% or so left.

 

[Doobiesis]

Maybe it’s an Apple thing. We all know they run updates to cripple your battery so they get you to buy a new one.

I’ll try it tomorrow when I go out.

 

[MrGrumpy]

Found the app very unreliable , my 810 sometimes connects some times doesn't . Could be an apple issue but every update appears to break something. Once I retire my 810, I may move away from Garmin to something else, thinking Suuntu for a combined watch for cycling and running.

 

[tom73]

Maybe it’s an Apple thing. We all know they run updates to cripple your battery so they get you to buy a new one.

I’ll try it tomorrow when I go out.

Apple tether battery life of older iPhone's so you don't need a new one. Anyway with the next IOS update the battery health app will let you turn off such protections so you can freely fry your battery when ever you like.