Concerning devices that store electrical power which can be used to run various devices in the absence of external power.

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13 views

My iPhone 5c's time will always be not synchronised, every time I leave it alone or it discharges it stops synchronising

I had a question in the topic. Every time my iPhone runs out of battery it won't have the synchronised time. At first, I thought it maybe had a CMOS battery and it had run out of battery, but having ...
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0answers
8 views

Is it possible to see how much time I've been running with the last charge? [duplicate]

Just like in smartphones in which we have a graphic showing the status of the battery since the last charge, is there something like that for a Macbook? Basically I'm interested in knowing how much ...
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52 views

How does the battery life of the Magic Mouse 2 compare to the original?

I know it's a somewhat inexact comparison (with the 1's AA batteries and the 2's Lightning charger). But if anyone has used both, is there a noticeable difference?
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1answer
32 views

iPhone not turning on when pressing lock button/erroneous charging

When I try to turn on my phone by holding the lock button, it doesn't turn on. It just stays dead. But when I connect the Lightning cable, all it does is show the battery symbol, then go to the ...
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1answer
35 views

Macbook Air recognizes battery while starting, but later says “no battery available” (battery icon X)

I spilled a full glass of water on the keyboard of my Macbook Air 11" mid-2011 (running OS X Mavericks). After drying everything out, etc., here's what happens when I start the laptop: It has to be ...
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2answers
47 views

MacBook Air 2012 won't charge or boot

I have a Mid 2012 11" MacBook Air that won't charge or boot. I've tested the charger with multiple other MacBook Airs, and the charger works fine. I have researched this and have done everything from ...
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0answers
12 views

Ipod Shuffle: Loses Bookmark when Warning of “Low Battery”

I have the strangest problem with my new iPod Shuffle (4th Generation). Normally, the shuffle will automatically remember where you were last when you shutdown the device, and start it up at that ...
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1answer
52 views

iPhone 6 Plus battery reduced to a fourth of what it was recently

I have an iPhone 6 Plus - Bought the Plus size because I could really do with a better battery. The battery used to be excellent earlier - lasting upto 2 days on one full charge The phone is barely ...
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1answer
14 views

Battery discharge

My battery discharges when the ipad Air 2 I own is plugged into the wall for charging and I am using the unit during the course of the day for business. Thus, I am supposed to be charging from the ...
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1answer
107 views

Charging an iPhone 4S with a Samsung USB charger

I have an iPhone 4S that I charge via a USB cable (plugged into my laptop). I also have a Samsung USB charger with the following specifications: 5.0 V and 1.0 A. Is it safe to plug my Apple USB cable ...
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2answers
194 views

Is it normal for a MacBook Pro battery to regenerate itself?

Let me first give a quick background. I got the 2015 MBP 15" with Retina display second hand like a week ago. As every normal person who just switched from Windows to Mac I was doing this and that and ...
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1answer
35 views

Using iPhone as modem - battery damage

I am using my iPhone as a modem, transfrerring a lot of data(4G) over long periods of time (awesome provider plan with lots of internet), connecting it to my laptop with the usb cable. I searched the ...
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1answer
55 views

Replaced iPhone 4S batteries, won't boot, won't recover (even in DFU), iTunes says “Waiting for iPhone”

I've tried multiple machines, multiple iTunes versions, multiple cables, and ports. My phone was originally rebooting randomly. Thinking it was an electrical short problem, I put in a new battery. ...
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1answer
20 views

Should I change my MBP 13" early 2014 battery

I recently checked my battery cycles count: 942, this is very close to the limit 1000 as indicated by Apple https://support.apple.com/en-us/HT201585 If it becomes 1000 do I have to replace it by ...
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2answers
44 views

Battery not charging? (Even after SMC reset)

So, I've seen a couple topics like this that already exist, but none solved my problem. I plug in my charge to my 13-Inch MacBook Air, Early 2015, and the LED light did not turn on, and the battery ...
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2answers
44 views

If I don't plan to use my MacBook Pro

I wanted to ask, let's say I plan not to use my rMBP for a few days (5-7), is there anything special I should do in order to keep the battery in good condition? Thanks
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0answers
33 views

iPod Shuffle (4th Gen) is in a coma

The iPod lights up when connected to a power source but it doesn't turn on. Here are my observations: It syncs perfectly with iTunes, with the yellow light flashing and all. The yellow light is ...
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0answers
45 views

2011 Macbook Pro won't boot unless I SMC reset and do a combination of attaching battery and charger

From what I read, on this model of MacBook, an SMC reset is done by removing the battery and holding the power button down for 5 seconds with no charger or battery attached. I tried the other method ...
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2answers
121 views

My battery icon has x in it

My MacBook Pro 15" battery has a black X in the battery icon and the indicator lights on the side do not light up when button is pressed. What could be the problem? It runs fine when plugged in
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0answers
10 views

MacBook Air Battery Not Recognised

From time to time, my late 2010 11" MacBook Air stops recognising its battery. It behaves in every way as if the battery had been removed. Resetting the SMC and PRAM makes no difference; I have to ...
0
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1answer
60 views

How “safe” is my laptop running on Service Battery

I've had my Mac for over 3 years and I've been good about checking the battery's condition, which was always Normal, but all of a sudden the dreaded Service Battery suddenly showed up. This was not ...
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0answers
104 views

How to diagnose the cause of accelerated power drain in iPhone 5s / 6s?

I recently upgraded from an iPhone 5s to a 6s. Most days my phone battery lasts the entire seven hour work day easily (my 6s typically lasts about two days). But now and again with the 5s I would ...
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0answers
17 views

What is a possible non-jailbreak way to trick an iPhone into thinking it is being charged even though nothing is plugged in?

Does anybody know a trick to make an iPhone 5 make that charging sound and have that green battery icon appear, but not actually charge or have anything plugged in? I need it as a demonstration for a ...
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1answer
231 views

Macbook battery information (cold weather & plugged in usage)

I kinda have two questions but they're both battery related so I just made one post. 1) Does it harm the battery if I cary my MacBook around with me and the weather is really cold? This has been a ...
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1answer
136 views

Where does iPhone store information about current battery percentage?

I wonder how is it exactly with the calculation of the battery percentage: from 100% down the software calculates which resources were used and for how long and thus it approximates the current ...
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1answer
13 views

Is there a USB brick / portable battery that will work with the MacBook (2015+, USB-C) and regular USB?

?I have the early 2015 MacBook with USB-C charger. I want to have one brick for that AND my iPhone. I also bought a USB-A to USB-C cable, but I can't find a USB-A brick with enough power to charge my ...
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0answers
4 views

Pismo G4 (upgraded) laptop

Pismo with G4 upgrade. I have an old that I use for music. Connects with music files to keyboard and Logitech 5500. Suddenly, It won't start at all. I took the battery out and an external charger ...
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2answers
58 views

charging my Macbook Pro (85w) with my Macbook Air (45w) charger

seeing if anyone as done this. Has any used a 45w charger (like the one that comes with the Air) to charge their Macbook Pro? I left my Pro charger at a friends house and will not be able to get it ...
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1answer
60 views

Macbook will say it's charging, but it's not

I have a Macbook Pro 13" i7 Early 2011 (MacbookPro8,1). It's on its second battery (DP bq20z451 manufactured Dec 2012) from March 2015. It was working fine for a while, but in the last month it's ...
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0answers
12 views

Start up normally after low battery hibernate (instead of reloading application state)

Sometimes when I start up my macbook pro after it hibernates due to low battery, I want it to just start up normally and forget the previous state that was written to disk. The only way I've figured ...
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2answers
29 views

Can having a MBP constantly charging damage the battery?

I constantly have my MBP connected to its charger. I was curious though, can this affect the battery? If the battery is always at 100% and power is constantly being fed into it, does this damage the ...
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0answers
81 views

Is it possible to tell the charge of the Apple TV Siri Remote from OS X?

My Apple TV Siri remote just dropped below 20% battery charge so I thought I would charge it in my Mac. How do I know when it is done charging? Is there some OS X command or utility for checking the ...
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1answer
90 views

Does anyone use Xcode Playgrounds on a Macbook 2015? [closed]

I'm interested in the MacBook 2015 form factor and wondered if anyone uses Xcode Playgrounds on one and how it handles it in terms of responsiveness, battery drain and screen size. I realise that ...
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0answers
19 views

13" mid 2007 Macbook, battery / power supply issue (white, A1181 model)

So, I have mistreated my macbook somewhat and would like to repair the damage. The problem is, there is "no battery supply", the icon at the top bar is a battery with a cross through it. There are ...
0
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1answer
52 views

Battery life of iPhone 4 reduced dramatically since iOS 7

Since I updated my iPhone 4 to iOS 7 (11A465), the battery began to drain really quickly, though the Bluetooth, GPS and the LTE are closed most of the time. It makes me wonder whether there are ...
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0answers
22 views

Macbook Air 11" mid 2013 keyboard backlight doesn't work

I've bought a Macbook Air mid 2013 trough a secondhand website. After test it all I told the man that I'm interested. So I payed. Once at home, I realize the keyboard backlight doesn't work. I've ...
0
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2answers
212 views

2011 13" Macbook Pro shows a green charging light but battery was draining and now it won't respond to SMC Reset

I was using my Macbook Pro and I was letting it discharge to about 30%; then I plugged it back in to charge. It charged for a while (orange light) but after a few minutes, it changed to green. My ...
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1answer
792 views

iPhone connected to charger and shows charging but not charging battery

Last night I charged up my iPhone 5c and this morning I woke up and it was on 1 percent. After this, I checked that the iPhone's charger was plugged in properly and it looked fine. I turned on my ...
3
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1answer
95 views

My iPad has a Bad battery-is that possible?

I had my iPad on airplane mode while traveling across country. I went to turn it on and got a extremely low battery icon. Plugged it in to wall all day and then found it to be warm and damp inside ...
3
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0answers
162 views

Is it possible to disable CPU throttling on a MacBook Pro with a completely dead (not recognized) battery?

I have a MBP late 2011 running El Capitan, recently my battery died (x over the icon and "no battery available" in the dropdown.) I've noticed since then that CPU intensive tasks are very slow, and I ...
0
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1answer
115 views

High fan, No battery symbol, Battery not charging on Macbook Pro Mid 2009

Recently, my MacBook Pro has had the following issues: If the battery dies, I need to do an SMC reset for it to even start up. When it does, the fan is running at high speed and there is either no ...
4
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1answer
739 views

As the Mac mini has no battery, would it fail or just suspend if the power is cut?

I was interested in buying a Mac mini for work (I love Linux but it requires too much maintenance). However, it turns out that it has no battery at all (different to a MacBook Pro/Air etc). I have ...
0
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1answer
260 views

Macbook Pro (Mid 2012) Battery Not Charging

I have a Macbook Pro (Mid 2012) 13" unibody and having issues with a battery that is not charging. Here are the specifics: Battery is not charging Magsafe light not illuminating at all Macbook is ...
16
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1answer
3k views

I don't ever use Siri, but it's using too much battery

I never use Siri, but when I look what has been draining my battery it says it's Siri!
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1answer
293 views

rMBP Early 2015 wakes from sleep every minute

My Macbook Pro 13" after upgrading to El Capitan 10.11.2 wakes from sleep every minute. This effectively drains battery overnight. Tried to reset SMC, turned off wifi but nothing helps. Does anybody ...
0
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2answers
114 views

MacBook Pro battery will not charge even though cycle count is below max count

I haven't used my MacBook Pro (Mid 2011 version with non-removable battery) for over 6 months, as I was out of country. Now it only works on power connected and battery won't change. Symptoms I ...
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1answer
92 views

MacBook Air 2015 Shuts Down in Boot Camp Randomly

My MacBook Air (2015) randomly shuts down (like, the power just cuts off) in Boot Camp. This doesn't happen if I have the charger plugged in. While I vaguely recall it happening once or twice in ...
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0answers
96 views

Apple Music filling iPhone with everything

Just turned on Apple Music on my Mac (not that Apple has relaxed the 25,000 song limit). After doing so I notice my iPhone getting hot and where I once had ~60 GB of free space, now I'm getting ...
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1answer
59 views

iPhone 4 Battery Problem

I am having a problem with the battery in my Mom's old iPhone 4. She recently had to replace her phone because it was showing this screen: That isn't her phone, but that is what it was showing. When ...
2
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0answers
85 views

Audio warning to warn you that your laptop's battery is low

I have two computers where I work back and forth, sometimes I'll launch a render on the MBP and go work on the iMac. But sometimes, I unplug the MBP, go do something else, and rendering uses up all ...