Hi Stephen,

iPhone Battery and Performance
Preventing unexpected shutdowns
https://support.apple.com/en-au/HT208387

Check battery usage
https://support.apple.com/en-au/HT201264
Learn more
iOS 11.3 adds new features to show battery health and recommend if a battery 
needs to be replaced. Find out more in iPhone Battery and Performance.


 Ronni Brown’s iPad Pro 12.9-inch 256GB 


> On 24 Jun 2018, at 3:02 am, Stephen Chape <[email protected]> wrote:
> 
> Hi folks.
> 
> For the past couple of weeks my 6S has developed a strange behaviour.
> 
> I always turn it off at bedtime and turn back on in the morning.
> But now if I turn it off when the battery is at say 54%, when I turn it on 
> again it shows perhaps 9% and a red line.
> Then after a couple of seconds it turns itself off.
> 
> If I turn it back on it will repeat this behaviour.
> But if I then plug it in to charge it will show perhaps 53%.
> 
> Consequently I am now leaving it on at night to avoid this happening.
> The trouble is now I have to charge it more often.
> 
> I can’t find anything on the internet re this.
> Would appreciate any ideas please?
> 
> Regards,
> Stephen Chape
> 
> 
> 
> 
> 
> 
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