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

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28 views

MacBook Pro mid 2009 reports “Service Battery” but works ok

I get a message saying "Service Battery", but it continues working ok. How do I service the battery?
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1answer
47 views

Test iPhone 4s hardware without battery. Possible?

So, I have this iPhone 4s, which was broken. So i replaced the screen. While I was replacing it, I accidentally broke the black wire that connects the battery to the motherboard. So I dont know if it ...
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0answers
59 views

Severe performance issues with my Macbook Pro Retina 13 - mid 2014

A few weeks ago I bought a used Macbook Pro Retina and I've been having severe issues with it since. The first thing I did when I bought it was to upgrade from whatever version of OSX it was using to ...
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2answers
127 views

How to enable display on Dell monitor connected to MacBook Pro when not charging?

I've just purchased a Dell P2415Q monitor which I've connected up to my MacBook Pro (running OS X El Capitan). Everything works great in terms of the display, however I've noticed that it goes into ...
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0answers
120 views

Improving the battery life of Windows under Bootcamp

I run Windows 10 through bootcamp on a mid-2014 macbook pro with a discrete graphics card. The battery life is unfortunately about a half of what the system gets under osx. Other posts on ...
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2answers
99 views

When apple replaces the battery in a 15" MBP retina, do they replace the entire top portion of the case?

Apple's site says it is $199 to replace the battery. Do the techs replace the entire top portion of the case including the keyboard and trackpad? I've read a few things on the internet alluding ...
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0answers
12 views

battery diagnostics ipod touch 5g

I recently bought an iPod 5th generation off of Craigslist and I'm pleased with the device, however the battery does seem to run out fairly quickly. This in itself may not be an anomaly, however it ...
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0answers
33 views

Why can't I turn on my MacBook after resetting SMC

Lately there've been some problems with the charger of my MacBook 12 inch. I searched on the internet and I was advised to reset the SMC by shutting down the MacBook, pressing shiftalt/optctrlpower at ...
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1answer
29 views

Can I use the battery from an early 2014 MacBook Air in a mid 2012 Air?

I just bought a used mid-2012 MacBook Air to replace the early-2014 model my dog killed but the battery life is terrible comparatively. Can I take the battery out of the 2014 and use it in the 2012 ...
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0answers
16 views

What are the specifications of the battery inside a 13-inch MacBook Pro with Retina Display?

The Apple website has the following information about the battery: Built-in 74.9-watt-hour lithium-polymer battery Line voltage: 100V to 240V AC Frequency: 50Hz to 60Hz I need exact ...
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2answers
58 views

Is it safe to charge a MacBook Air after the green LED shows?

Is it safe to charge my macbook after the green light shows? Would it not overcharge the battery, or reduce its lifespan? I've heard that doing this is completely safe and it increases the cycles or ...
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1answer
56 views

Best practices for Macbook Pro usage [duplicate]

I have a new Macbook Pro and I want it to last and keep a healthy battery. How do I best ensure this? If I am using it, do I let it discharge, or leave it plugged in? If I am discharging it / ...
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78 views

How do you ascertain that the battery drain in an iPhone is software related

So, my iPhone 6 Plus battery has been draining very badly. Whereas I used to get over a day on a single 100% charge, I barely make it half a day now. Even the charging in takes whole night even on a ...
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1answer
85 views

Is it possible to replace battery in an old iPad?

I have an old iPad 2. The battery goes dead when it is unused for only one day. Should I change the battery and if yes, how should I do it?
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3answers
34 views

Should I change my battery?

I Have a MacBook Pro (13-inch, Mid 2009). Now the battery status is "Service Battery". I'm thinking of getting a new Laptop. My question is can I use my laptop even battery is dead by plugged in? ...
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0answers
128 views

Apple Diagnostics Reports Bad Battery but AASP Says Battery Is Perfect

I live in Italy. I have a rMBP 15 late 2013. It's performing just fine. It's covered by AppleCare for 1.5 more years. Every month I make Apple Diagnostics tests. I always had the ADP000 outcome, ...
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0answers
21 views

How can I SMC Reset with this issue?

Okay so my friend gave me his old mid-2010 MacBook Pro. It has an aftermarket battery in it, the first one died and after his friend put the aftermarket one in it never started. I did the cycle where ...
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0answers
1k views

Why Safari is consuming so much battery?

From last 2-3 weeks I started noticing that my iPhone is consuming more battery than usual, around two to three times more. When I looked at battery consumption details I found out that Safari is ...
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1answer
58 views

mid-2012 Macbook Pro Retina 15" won't recognize new adapter

I recently bought a new power adapter off Amazon, and it worked with my mid-2014 MBP at work and my colleague's mid-2014 MBP, but not my mid-2012 MBP Retina 15" (which, frustratingly, it was bought as ...
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1answer
38 views

MacBook Pro replacment battery recommendations [closed]

I need to replace the battery in my MacBook Pro early 2011. Since my Mac is quite old I am looking for less expensive non-original replacement battery. I only need it to get me through one more year. ...
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0answers
14 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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0answers
59 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
36 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
49 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
13 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
56 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 ...
0
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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
204 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 ...
3
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2answers
197 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
64 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
45 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
39 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
53 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
127 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
11 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
68 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
113 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
18 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 ...
0
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1answer
243 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
153 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
14 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
70 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 ...
0
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1answer
69 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 ...