Questions tagged [battery]
Concerning devices that store electrical power which can be used to run various devices in the absence of external power.
1,228
questions
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iPhone to make a sound when it shut downs due to low battery
Is there a way to have the iPhone make a sound just before it goes to sleep due to low battery (i.e. when battery goes from 1% to 0%)?
2
votes
0answers
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Macbook 2015 with normal battery won't charge even after SMC
My MacBook won't charge. Here are the things I have done so far:
I tested the MagSafe charger to another laptop to make sure it is not faulty ( MagSafe is working )
I did the SMC reset ( shift + alt +...
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vote
0answers
28 views
iOS 13 breaks smart battery case on iPhone 6S
I've been using the Apple Smart Battery Case on my iPhone 6S for the past few weeks to hold me over until I can get the iPhone battery replaced, because it's dying. The case has been working great for ...
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vote
1answer
27 views
Macbook Pro 15 inch 2019: will charging from LG 38WK95C-W via USB-C damage/fry the macbook's battery?
I just received a new 15 inch macbook pro (2019). I connected it to my external monitor LG 38WK95C-W via the monitor's provided USB-C cable.
It does video/data transfer however since it is a usb-c ...
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vote
1answer
20 views
MacBook Pro new battery not charging. Defective?
Model: MacBook Pro 13" Retina early 2015
My MacBook Pro had a battery in the condition "Replace now" so I bought a new battery on ebay and got it replaced. The problem is the MacBook identifies the ...
4
votes
1answer
22 views
Macbook Pro 2018 battery not charging
I am having a version of the battery not charging issue on my Macbook Pro 2018 (13-inch, Four Thunderbolt 3 Ports). The symptoms are somewhat different from related issues, such as in this post. I am ...
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0answers
30 views
Spotlight Significant Energy Usage
The battery life on my MBP 2017 has recently decreased to around 3-4 hours after lasting around 8-9 hours for the past 9 months. Activity monitor also shows spotlight having an average energy impact ...
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5answers
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Does battery condition have anything to do with macbook pro performance?
Hello I'm using a mid 2015 MBP.
My battery lasts 1-2 hours now, I got this text Condition: Replace Soon on the battery icon.
Other stuff are my computer sometimes heats up, gets really slow and ...
2
votes
0answers
23 views
Is there any list or reference for maximum fast charging values/wattages of Apple devices?
From what I understand, many of Apple’s iOS (and iPad OS) capable devices are capable of fast charging since the iPhone 6 (6s?) was released. And nowadays, all MacBooks (MacBook, MacBook Pro and ...
2
votes
0answers
18 views
Check system logs for “Service Battery” entry
I would like to find evidence of when the "Service Battery" warning has been activated. I knoow the console.app exists, but I'm not sure how to query it for what I am looking for.
Why I want to do ...
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28 views
Frequently Have to Reset SMC to turn on MacBook
So over the last 2-3 weeks my 2014 13 inch MacBook Pro has developed an issue. I have to reset my SMC in order to power it on. This has occurred about 4-5 times. Additionally, my battery is on it's ...
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28 views
MBP shuts down at 40%~ battery, and recalibration didn't help [duplicate]
EDIT: I don't think this is a duplicate question. My MBP is only 2 years old and its battery cycle count is only 90.
I have a MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports) with macOS 10.12.6, ...
3
votes
0answers
35 views
My iPhone 7 Plus died after being exposed to cold weather and a bit of rain. Will I be able to retrieve my data?
My iPhone 7 Plus won't respond to a hard reset. I'm not able to switch it on either. The phone detects the Home button being pressed only sometimes. I haven't backed up my data in a long time and ...
3
votes
2answers
105 views
IPhone X randomly crashing while in use
This started yesterday morning, and crashes about every 20 min or so of use, it was fine all night. And when it crashes, I get this red spike in battery performance.
What’s going on and how do I fix ...
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votes
0answers
30 views
Fluctuating battery capacity in coconutBattery
I am a new MacBook user. I have a problem with my battery. When I tried to see its stats from coconutBattery, sometimes it said 6200/6667(93%) and sometimes it said 6560/6667(97%) to be the full ...
3
votes
2answers
57 views
Does charging to 100% damage an iPhone battery
I have an XR and as I am indoors a lot of the time, my phone does spend a few hours charing at 100% (although I unplug at night). It's rare that I let the phone run past 80% and even rare that it ...
2
votes
3answers
43 views
MacBook Pro immediately shuts down when disconnected from charger, auto starts when opening MacBook, even after shutdown
I am running macOS 10.14.6 on a late 2013 MacBook Pro. The system immediately shuts down when the charger is unplugged. Oddly, even after intentionally shutting down the computer, it auto-starts ...
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36 views
Low Battery Notification for All Devices
Is it possible to get "low battery" notifications for all the devices that are connected to my iPhone? I have AirPods and Apple Watch connected to it.
I know I can see the battery levels in the "...
0
votes
1answer
27 views
Can I charge a DC 5V - 2.15 A power bank with an Apple Macbook charger?
Can I charge the following power bank with a macbook chager?
Power bank input: DC 5V - 2.15 A (Input port: Micro USB)
Macbook charger: Apple 29W USB-C Power Adapter: 5.2V @ 2.4A, 14.5V @ 2A
(with ...
2
votes
0answers
19 views
Battery status in menu bar is not changing though It is charging?
My Mac book pro 2015 is charging however the battery status is not changing. But when I toggle the button "Show battery status in menu bar" in Energy Saver it shows the correct battery percentage. So ...
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votes
1answer
20 views
set audio alarm for when charger is disconnected
My macbook air is getting old, so the battery is rather unreliable. This means I have to keep it constantly charged, or my computer may shut down suddenly as the battery plummets. But the charger is ...
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vote
1answer
35 views
Can a brand-new iPhone be stored in its box long-term?
I purchased an iPhone SE last year but still haven’t opened it. Is it safe to leave an iPhone unopened in its box long-term (at room temperature if that makes a difference) without any negative ...
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vote
1answer
75 views
How to minimise the risk of using a MacBook Pro 2015 recalled due to battery faults
My MacBook 2015 pro Retina 15'' has to be recalled by Apple. The reason is that its battery may be a fire hazard; eg macromors. Apple said the repairs can take two-three weeks. Because of my work, I ...
2
votes
1answer
264 views
Does macOS show battery health for third-party replacement batteries?
My late 2013 13" retina MacBook Pro's battery is on its last legs, and I need to replace it soon. I'm thinking of buying a replacement battery kit from iFixit, and I'm wondering if macOS will be able ...
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votes
0answers
17 views
USB-C charger only delivery direct power to Macbook even if battery is not full
I have a USB-C charger 87W which I use for my MacBook Pro 15-inch (2018). It only delivers power to my MacBook but doesn't charge the battery (shows a black icon at the top right-hand corner) even if ...
2
votes
1answer
50 views
Macbook feels a lot hotter than usual; are these temperatures normal?
I have an early 2015 13" Macbook pro with a 3.1 GHz Intel Core i7 processor.
I've been having some battery issues lately, that could be been attributed to charging my laptop and plugging in foreign ...
2
votes
2answers
74 views
iPhone 5s shows low battery symbol with lightning bolt when plugged in
I have an iPhone 5s, purchased in ~2013. The battery is original and has never been replaced. I have had charging problems with it recently - I needed to wiggle the cable to get it to charge. I ...
1
vote
2answers
64 views
Can I get any compensation for 2-week turnaround on 2015 MacBook Pro battery recall?
I have a 2015 MacBook Pro (still under AppleCare) that is covered under the battery recall issue. However, the machine is my primary work computer, and the Apple Store has said that they have to ship ...
2
votes
1answer
25 views
How do I prevent my MacBook Pro from dimming the screen on battery power?
I sometimes work on my MBP in the car (from the passenger's seat, of course) and it is impossible to see anything unless the screen is on the maximum brightness. Every few minutes, however, I have to ...
3
votes
2answers
179 views
Has Apple indicated that some 2019 MacBook Pros have a fault relating to power, battery or shutdown issues?
I bought a MacBook Pro two days ago and when I was using it for the first time I noticed that when it drops below 40% (20%-40%) it shuts down with no warning and it's impossible to turn it back on ...
3
votes
2answers
178 views
What is the safest way to leave my MacBook on 24/7 with macOS Mojave?
I used to use sudo pmset -a hibernatemode 25 to try setting my MacBook to hibernate instead of sleep, so that it pulls power away from the RAM/hard drives, etc. and puts the laptop into a proper sleep....
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vote
0answers
14 views
MacBook Pro 2011 battery not detected
My MacBook Pro 2011 battery is not detected. There is no spill of water or whatsoever on my logic board. One day I took out the battery and when I placed it back the problem occurred.
So I tried ...
4
votes
2answers
224 views
My brand new MacBook Book Pro dies at 30% with no warning
I got my MBP earlier today and when I'm using it it works just fine but when it dies it gives me no warning and it dies around 30%, I don't know how to fix this issue as it's supposed to have a 10 ...
1
vote
1answer
27 views
How do I know how much time battery has left on my MacBook?
macOS used to show how much time your battery was good for before it died (e.g. 4 hrs and 22 mins). I don't see it anymore though. Now it just gives a percentage. I'm running macOS Mojave 10.14 on a ...
14
votes
4answers
2k views
What does Apple mean by “This may decrease battery life”?
Does it mean that my battery will "lose capacity" over the years (months?) or that it will just uncharge faster because it's consuming more energy?
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vote
2answers
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LG Ultrafine 5K always keeps my Mac charging, is this bad?
The LG Ultrafine 5k Monitor is great for Apple computers. But the thing is that it will always keep your Mac charging, whether you want it or not. Is this bad for the battery life?
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0answers
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My AirPods do not keep their charge nor do they charge in general
I am having trouble charging my AirPods.
I only got them a month ago and they were working completely fine. I take very good care of them, keeping them in the box when not in use. I came to charge ...
0
votes
1answer
32 views
MacBook Pro Retina 15" (Mid-2015) New battery has weird metering
New battery installed.
Charges up to 100%, runs down to 50% then suddenly instantly drops to 7% and stays there for about 2 hours. Battery seems to continue to work but metering is wrong. Tried all ...
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0answers
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MacBook Pro late 2013 (Model: A1502) won't boot or respond to any Input
I have a big problem with my MacBook Pro late 2013 it does not boot or light up in any way.
Current behavior
The only reaction that I get is, when I connect it to the powercord and start with the ...
8
votes
2answers
191 views
Update MacOS on a MacBook with dead battery
I have a macbook 12'' running sierra that I use occasionally.
The battery died some time ago, showing an X in the status bar.
I want to update to a new version of macOS but the installer shows:
...
1
vote
1answer
53 views
Macbook Pro keeps waking from sleep during the night and draining battery
My 15-inch MacBook Pro (Touch Bar, mid-2017) has always been plagued by issues with sleep.
After not using it for a few months, I started using it again yesterday and found out that during the night ...
0
votes
2answers
48 views
What to do if MacBook Pro 2017 uses more wattage than the charger can give?
I wanted to ask, what to do if MacBook Pro 2017 uses more wattage than the charger can give? Why I am asking this or thinking this might be a problem? I tried to play some games on BootCamp (playing ...
2
votes
1answer
59 views
Macbook battery bar showing as red; battery % jumps around; battery condition normal; out of US charging
I've been in Europe since 7/5. I've been charging my 2015 macbook pro (purchased in the US) in the UK from 7/5-7/11 and in Italy from 7/11-current. I use a power adapter (not a converter) since the US ...
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votes
2answers
19 views
Suggestions for a safe-n-fast charger for a bunch of 6th gen iPod Touch Devices?
I have about 30 iPod touch devices that connect to a charger with multiple ports on it.
There are 4x 5V/2.4A ports and 4x 5V/1A ports on the device that charges them.
It seems as though the the 5V/...
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0answers
61 views
iPad Mini 2 - Not Charging After Drained
My iPad Mini 2 won't turn on anymore after it drained even when i'm plugging in the charger it will just show (see image) then turn off again..
Before this case happened my 10W apple charger suddenly ...
2
votes
0answers
64 views
Standard charger for Macbook Pro insufficient [duplicate]
I recently bought a MacBook Pro (15-inch, 2018) and I am using the OOTB Power Adaptor (87W) and USB-C cable.
I am finding that when I run computationally expensive processes (e.g. I utilize multiple ...
0
votes
1answer
23 views
MacBook Pro goes into hibernation immediately after login, how do I fix this?
My Mid 2012 MacBook Pro, goes into hibernation immediately after logging in. Battery indicator still shows around 95% charges when it does that. When I plug in and reboot, battery shows 0%.
This does ...
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vote
0answers
23 views
Fully charged 2015 MacBook Air shuts down instantly when disconnected from power
My father is using an Early 2015 MacBook Air (i5 Dual-core, 128GB SSD, 4GB RAM). He's been using it without any problem since the day he bought it, until it started turning off instantly the minute he ...
2
votes
1answer
271 views
MacBook Pro 2018 battery drain with lid closed, wakes every 2 hours
My MacBook Pro 15" 2018, running macOS Mojave 10.14.5, is losing about 10% battery overnight, despite the lid being closed. Here is the output of pmset -g log, from the time I closed the lid yesterday ...
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vote
2answers
57 views
How can I ensure that laptop batteries I buy are genuine?
I need new batteries for my for MBP 2012 8.1 13". I ran across a site selling what seems to be actual new Apple batteries. Is this a scam? I would like to buy a real Apple product, so how can I be ...
