Quick charge 2.0 question

[anon(8765751)]

I recently bought the anker quick charger and the cable that came with it doesn't change the light on the charger from blue to green to confirm that it's quick charging. I tried my oem cable with it the charger light changes to green but doesn't seem to be charging much faster, I also don't see anything come up on the phone saying it has activated quick charging... Is there even a notification for that on the m8? Just wanted to try to figure it out before I contact anker. Thanks for the help.

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[mumfoau]

I've toyed with the idea of buying the OEM quick charger but havvent pulled the trigger yet

 

[ItsMikeE]

I have used the "Adaptive Fast Charger" that come with my other half's Samsung Note 4. Doesn't actually say QC 2 on it, but pretty sure it is.
Nothing on the phone says quick charging, but it does charge much faster, and you can see the details in GSAM battery monitor - both in the (negative) number of mA being used and in the estimate of charge time

 

[anon(8765751)]

Ahh Ok, just was wondering whether there was a notification for it.... Didn't try checking gsam I'll have to give that a try thanks.

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[Mooncatt]

Something to consider about charge rates: As the battery gets full, the current rate drops and it'll finish charging at a slower pace. Think of it like filling a water bucket with a hose. At full blast, water will start splashing out near the top. Turn the pressure down and you'll be able to add more water to the top. Batteries have a similar effect on a chemical level.

So if you tried a QC 2.0 charger on a phone that's already mostly charged, you won't see much of a difference. You'll notice the biggest differences with a mostly discharged battery.