1
vote
2answers
12 views

Battery life Macbook 13 Retina mid 2014

I got a new MBP 13 Retina display, mid 2014. I get on the battery up to 5 hours at most. Is this normal? This is my first product from Apple so I do not know if this is as supposed or I got the wrong ...
1
vote
2answers
136 views

What is the relevance of “Low Signal” in battery usage stats?

iOS 8 shows "Low Signal" in the battery usage stats, like here: How great is the effect of signal quality on battery life? In other words, if the signal quality was better, would the stats be more ...
0
votes
0answers
8 views

Macbook Battery calibration craziness

As explained at this Superuser question, I've bought a generic battery for my 2008 Macbook but didn't need it. Based on the answers, I've decided to use my new battery and proceeded to try to ...
0
votes
3answers
44 views

Mac book: Is battery cycle low means mac book still can be used at long time ?

I try to buy an old mac book pro mid 2012. Old user of this mac uses mac by electric all the time, so the life cycle till now just 3 cycles, but this computer has been used for 1.5 years. My question ...
0
votes
1answer
18 views

Revive Li-Ion Battery White MacBook (2006)

I have a White MacBook (2006) with a new battery (2013) that I accidentally let sit discharged for too long (a few weeks). Now the battery doesn't work. If I leave the battery in the laptop while ...
0
votes
0answers
22 views

Does the “Battery Doctor” technique make sense?

On my iPhone I've downloaded the application "Battery Doctor" (https://itunes.apple.com/gb/app/battery-doctor-master-battery/id446751279?mt=8) which makes you charge your phone while their application ...
1
vote
1answer
22 views

I Have A 2013 MacBook Air that refuses to charge. I continue to use it once it says that it has no charge left. What do I do?

I received this brand new laptop yesterday and today the charger isn't responding to being plugged in. (The lights aren't flashing as they should be). The battery icon on the upper right corner has a ...
2
votes
1answer
39 views

In-store iPhone 5 battery replacement?

I have an iPhone 5 that's eligible for Apple's battery replacement program. I haven't actually had any trouble with it, but I suppose I should take advantage of the offer before it expires. There are ...
0
votes
0answers
6 views

What behaviour should we have against batteries of a Mac? [duplicate]

I have read this general post where some people give some suggestions about the behaviour we have to adopt against the batteries of laptops. People, for example, don't suggest to remove the cable of ...
-1
votes
1answer
31 views

Battery life of macbook air with different hardware configuration

Apple states that the 2014 11-inch MacBook Air has a battery life of 9 hours and the 13-inch model has a battery life of 12 hours. These stats are for the default configuration: Processor: 1.4GHz ...
0
votes
1answer
24 views

iPod classic battery life

I have an iPod classic and tend to keep it plugged into a mains charger while playing music up to 4 hours a day. Will doing this damage the battery? Is it better to use all the battery power and ...
0
votes
1answer
24 views

Battery replacement on MacBook Pro 13" Early 2011 considerations

I need to replace battery on MacBook Pro 13" Early 2011 and I've already found the one in the local shop, but I am not sure it will fit. Old non-working battery has the following parameters: Model ...
0
votes
1answer
18 views

Installed a new LCD screen on iPod but concerned to charge

As stated, I just installed a new ipod touch 4th generation LCD. As many youtube tutorial layout I went ahead after installing my LCD to power on the screen. However, here is my dilemma, the battery ...
0
votes
0answers
219 views

Iphone 5 Panic IPS After Changing battery

First I will like to say sorry for my English that it’s not the best In the world. I have a problem with my Iphone 5, its all begin in the moment that I put my phone to charge after that I realize ...
0
votes
2answers
183 views

Macbook power adapter issue: PPP003

I'm using Macbook Pro 15" Retina Late 2013. OS is Yosemite Public beta. Once in month I usually do diagnostics (Apple's boot time diagnostics, the when you press "D" ). The last the when I did it, I ...
0
votes
1answer
39 views

MacBook Pro - Only runs while MagSafe charger connected

My 2013 MacBook Pro only runs while the MagSafe power charger is connected. Model Number: A1425 (EMC 2672) When the charger is disconnected system immediately powers off (no shutdown). MagSafe ...
0
votes
0answers
56 views

MacBook Air randomly “dies” on a full/near full battery

Since the beginning of the month, I've had a strange issue with my 2010 MacBook Air (2.13 Ghz, 4GB Ram, 128 GB SSD). It will run fine when plugged into the MagSafe, but running on battery it'll ...
2
votes
1answer
25 views

I have a MacBook (2008) that sleeps as soon as you put in a battery

This MacBook runs perfectly without a battery. Putting in a genuine new and aa genuine used battery does the same thing. The screen goes dark, you can still see the screen for a second and then it's ...
-1
votes
1answer
24 views

Macbook battery problem

I have a MacBook 13" (A1181) running Mac OS X 10.6.8, I have a problem with the battery When its turned off it responds to power button only when charger plugged in. After starting i can remove the ...
-5
votes
1answer
1k views

IPAD MINI WONT TURN ON!!! even after charging and it doesnt show a battery symbol

Ive got an ipad mini, and it is completely dead. I mean dead as it doesnt come on at all even if i charge it over a day. It doesnt even show a battery symbol when you turn it on. ive tried all the ...
0
votes
0answers
28 views

Battery Dead or Normal

I have an unusual problem. I have an 11" MacBook Air (Mid 2011). I am only able to use it via the power adapter although no light on it of any colour at all. When I check the battery in System ...
1
vote
0answers
98 views

Disparity between “Charge remaining” and “Full Charge Capacity” on relatively new MacBook Pro?

I have the latest retina MacBook Pro. While looking at some statistics, I saw the following: My computer is currently on 100% charge (charger is plugged in), and it seems odd that the difference is ...
1
vote
1answer
85 views

Are my battery cycle counts increasing when MBP is on and plugged in?

I often leave my Macbook Pro (13" - Late 2011) plugged in while working on it with the charge at 100%. This post suggests that when the battery is at 100% and the laptop is plugged in, the battery ...
0
votes
1answer
39 views

What is the ideal charging behavior for a new Retina MacBook Pro? [duplicate]

I've called Apple Support a bunch of times, but I got conflicting answers. To my knowledge, new technology makes it okay to keep the charger plugged in non-stop, but I want to make sure I am properly ...
0
votes
1answer
39 views

How's battery life of the Oct 2013 Macbook Pro 15" Retina?

I am using a Mid-2013 MacBook Air 13" and the battery life is great! Now I am considering upgrade to a bigger screen and is checking a refurbished Oct 2013 MacBook Pro 15" retina. Everything seems ...
0
votes
1answer
35 views

iOS device battery life when developing

I have an iPhone and an iPad that are constantly connected through USB to my MacBook Pro 8 hours a day. The battery of both device is always at 100%. Will this hurt my devices battery life? I've ...
1
vote
0answers
66 views

Battery Life on MBPr (2014 model) with*out* dedicated GPU

I am considering to try MBPr (late 2014 models) coming from Windows environment, which means that I would still need to use Windows about 50% of the time. One of the strong points in favour of MBPr is ...
0
votes
1answer
95 views

How to test a Macbook Air battery hardware integrity

I spilled water on my Macbook Air last week. The technician had to remove the battery because it wasn't charging. Without battery, the computer runs fine. I'm thinking of purchasing another battery, ...
0
votes
0answers
21 views

do i have a bad battery or macbook?

I have a 2007 17" MacBook pro and the battery stopped holding a charge. I did not have enough money to buy a apple one so I bought third party battery. The battery will charge to full capacity and the ...
0
votes
3answers
247 views

I have a mid-2012 MacBook Air, and the Service Battery alert is showing

My 13" Macbook Air recently started showing the "service battery" alert. It's the mid-2012 model, and is still under Apple Care. The alert seems to appear mainly when I'm running off the battery. Is ...
0
votes
1answer
69 views

Mac does not sleep

There is a week or so since my macbook stopped being able to go sleep, instead it stops by just sleeping the screen, while the system light does not go blinking (and the system won't go sleep either, ...
1
vote
1answer
43 views

new iphone 3gs dead battery

i bought a new sealed iphone 3gs from vodafone store ( yes brand new one, it seems that they got some stored old phones of different brands and models ) the problem is that this iphone wont charge by ...
0
votes
0answers
21 views

Why does my iPhone 5 refuse to turn on at a different level to my iPhone 4?

When iPhone 5 (A1529) shuts down when it's low on power and refuses to start which is expected, however when i plug it into power it starts up right away have 11% battery so i'm assuming it shut down ...
0
votes
0answers
62 views

My charger for my white macbook isn't charging

I was actually on my macbook like a few days ago and the charger was working GREAT. However a few days later like 3 more days later it stopped working. It was a LIGHT green and then it would get ...
0
votes
0answers
20 views

Macbook Air battery power = 0, odd sleep / shutdown hybrid

Does the macbook air go to sleep or shutdown when battery power is used up? Mine does something in-between... screen goes black on battery = 0%, and when plugged back in, it doesn't go through a boot ...
0
votes
2answers
126 views

in terms of battery life for the iphone 5, which battery is better? 3.8v1440mAh or 3.8v1560mAh?

ok so if I have this right milli Amp hour= mAh, Whr = Watt hour, and v = Volt is charge capacity? Where is potential discharge or work capacity and V is the rate at which the "work" is being done?
0
votes
0answers
32 views

Second battery failure

I replaced my battery on my mid-2010 13" MacBook Pro less than a year ago, while it was still under AppleCare. My new battery is now telling my computer to give me the "service battery" indicator. Is ...
0
votes
1answer
20 views

Battery Issue - Low level issue

I have installed Xubunto instead of Machintosh on my MacBook Pro machine, when i close the screen the apple lamp on the back of my laptop doesn't goes off, and the laptop runs out of power. how can i ...
0
votes
1answer
31 views

Is there an external battery available that is compatible with iPhone 4s and 5s?

The company I work for is developing an app that uses geolocation and drains battery very quickly which is obviously a problem. The customers will have both iPhone 4 and 5s so it would be great if ...
0
votes
1answer
635 views

Macbook Pro 13 Retina battery drain using Chrome browser

I'm planning on purchasing a Macbook Pro Retina 8GB/256GB to replace a 2009 Macbook Pro. I'm a long time Mac user but my hesitation is whether the Chrome browser battery drain issue in Mavericks has ...
1
vote
3answers
3k views

iPhone 5S gets very hot and drains battery

My iPhone 5S is getting very hot and the battery drains like 5 % in 30 seconds. I've tried it all, restoring and stuff and I've read that the problem is with iCloud. So I've deleted my iCloud account ...
0
votes
1answer
147 views

Can I remove battery while my iPhone 4s is still on?

I've had this annoying problem with my phone that has happened a few times now. Basically it just totally freezes. My top button is broken, so I can't turn the phone off using that. My assisted touch ...
1
vote
0answers
30 views

iOS: Default Battery Percentage Level for individual services to switch off

We all know iOS switches off services one by one when the battery reaches critical level. But is there any fixed battery level to cut down individual services. For example, Bluetooth will be switched ...
2
votes
1answer
46 views

Possible to charge iPhone through other means?

I am too cheap to purchase a USB charging connector for my iPhone, so I was wondering if there's a way to create a USB cable at home or use some other USB cable and get the job done safely. For ...
2
votes
1answer
537 views

New MacBook Pro Retina, bad battery?

I just purchased a brand-new MacBook Pro, Retina (15" screen). The "Hello" pamphlet in the box starts out: Your battery is charged and ready to go, so you can start using your Mac right out of the ...
0
votes
0answers
54 views

What are the ways to solve my iPhone power drainage problem?

I am using iPhone 5s with iOS 7.1.1 I have a problem from 3 days ago. The battery keeps draining and the phone keeps warm in the whole day. I found that mstreamd keeps starting every minute. From ...
0
votes
1answer
60 views

Effects of Current Fluctuations on Charging

iPhones, iPad, etc, all have their optimal specifications for charging. A power source that does not meet those specification results in a slow charge. However, what happens when the specifications ...
1
vote
1answer
884 views

Windows on a Macbook Pro with integrated Intel Iris Pro only

I've been wondering about this since the last refresh of the Macbook Pro range...I have a need to run some Windows-only software, and I've read in the past that many people complained about lower ...
0
votes
1answer
53 views

Should you unplug the cable once you MBP is fully charged? [duplicate]

With Mavericks is this still needed? Doesn't this eventually cause the battery to die faster because it means it'll have to go through more cycles frequently?
0
votes
1answer
30 views

my iphone5 is shutting down and has no power to turn on what do i do?

I've had my iPhone 5 for a year now but ever since iv had it it always had battery problems, i tried to replace it with a new battery but it would work for a day and the power off. Now when i try to ...