Thank you Ronni.
Some research to do after the weekend.
I will keep you (and WAMUG) informed.

> On 24 Jun 2018, at 8:33 am, Ronda Brown <ro...@mac.com> wrote:
> 
> Hi Stephen,
> 
> iPhone Battery and Performance
> Preventing unexpected shutdowns
> https://support.apple.com/en-au/HT208387 
> <https://support.apple.com/en-au/HT208387>
> 
> Check battery usage
> https://support.apple.com/en-au/HT201264 
> <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 <chap...@bigpond.com 
> <mailto:chap...@bigpond.com>> 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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Regards,
Stephen Chape






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