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

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9 views

Unusual problem regarding old water damage, new battery not charging macbook air mid 2011

I have quite strange problem. I had some water damage on my computer few month ago. After it dried completely computer worked only when I unplugged the battery but if I unplugged the charger my ...
1
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1answer
26 views

Would the battery from a 13“ MacBook Pro (2010) work in a 15” MacBook Pro 2011?

The battery of my MacBook Pro 15" (early 2011) died recently and I happen to have the battery from a 13" MacBook Pro (2010) handy. Does anyone know of any reasons why this battery would not work? ...
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1answer
64 views

I know my battery should be replaced, but is that all of the problem? (Update)

Updated: I am using a MacBookPro8,1 with non-removable battery. Recently that battery charging status was Replace soon. But it was working fine and kept enough charge for my daily works. So I didn't ...
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2answers
77 views

How do I extend the lifespan of my MacBook's battery (2015 Retina Model)

I have just received my 2015 Retina MacBook. I would really like the battery to last long. Is there anything I can do to extend the battery life because my retina MacBook Pro's battery got ...
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0answers
51 views

iPhone 5s is draining battery really fast like 2-3% in a minute

I have taken all the measures which can fix battery life for example turning off location service, disabling push notification etc. My iPhone is updated to latest version i.e 8.3 and i have even done ...
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0answers
30 views

iPhone 5s iOS8.3 battery indicator fritzing

I noticed today that the battery indicator on my almost 6-month old iPhone 5s was giving me inaccurate readings. Throughout the day, it was draining normally until it reached 20%. As soon as it ...
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0answers
27 views

Testing an iPhone 5C without a battery or screen

I have a previously broken iPhone 5c that I removed the offending parts from. The screen was shattered beyond repair, and the battery was in pretty bad condition. I'm planning to buy some new parts ...
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0answers
51 views

Calculating battery capacity (in mAh not percentage) without removing battery

Phone batteries wear out over time, having less and less capacity to store energy. The iPhone keeps a counter of battery cycles or charges, but this does not speak to the issue of battery capacity. ...
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0answers
69 views

Low Battery Crash with no Battery Usage on ipad 2 with ios 8.3

My iPad 2 has been crashing recently with no warning and then takes several hours charging before it comes back to life. When it crashes there is only a low battery icon, and no charging symbol when ...
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0answers
17 views

Charger Help what do i do?

My brother just bought this iPhone 4 (black) online from eBay and for a month it was perfectly fine. Then he gave it to me and on my third day with it, it wouldn't charge when I woke up. The phone is ...
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2answers
37 views

Is safe battery replacement for iPhone 5?

My iPhone 5's (bought on January 2013) battery life is now something about 5-6 hours. I found some possibilities how to buy new battery and replace it. Does anybody have some experiences with this ...
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0answers
19 views

How do I maintain battery count cycles

I own a MacBook Pro early 2015 model since last month and my count cycles are 26 and battery health is 98.x%. I am a bit worried because I saw a video on youtube which showed that the guy was having ...
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1answer
12 views

Swap Batteries MacBook Pro & MacBook Unibody

My MacBook's (late 2008, unibody, 13") battery has just become very bad. I also have a MacBook Pro (mid 2012, 15") which has a still-ok battery. Now, since I take my MacBook (the old one) everywhere I ...
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1answer
21 views

Can I use a Early 2011 MacBook Pro 13“ charger with my Late 2013 MacBook Pro 13” with the MagSafe Adapter?

I bought a Early 2011 MacBook Pro 13" but eventually upgraded to a newer Retina Late 2013 13" model. I'd like to get another charger, but I'm curious if I could use the old charger that came with ...
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1answer
26 views

iPod less than 1 year old battery life

My less than 1 year old iPod touch (A1421) lasts about 8 hours with no use other than listening to podcasts. Is this level low enough to justify an in-warranty battery replacement? If so, do I ...
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1answer
35 views

Brand New Macbook Pro 15" Battery

I just bought a brand new 15" Macbook Pro (mid 2014) and it came with already 2 battery cycle counts, is that normal?
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1answer
29 views

iPad plugged to charger turns off due to low battery

My iPad is connected to charger yet battery level decreases (not as fast as plugged off but still). Is it a fault that can be directed to Apple Support for warranty or normal behaviour? I though that ...
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1answer
57 views

Is there a way to find out information on battery through macbook serial number?

i bought my MBP Retina display 13"(late 2013) 5 months ago; a week ago i had to change its battery at an authorised reseller when my small sister accidentally dropped a whole glass of water on it. i ...
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2answers
61 views

Is it harmful for the battery to use a 60 W instead of 45 W charger?

So, my dog bit through my MacBook Air charger and i just ordered one online without really knowing what all the specs meant. Now my question, does it hurt my battery to use a charger with a higher ...
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1answer
38 views

How to prolong battery life

I have recently brought my self a MacBook Pro (2015) battery life because I was getting 4 hours or less on my MacBook Air (2010) that had about 800-880 cycle counts. Because of the battery issue with ...
44
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7answers
15k views

Is charging iPhone all night harmful to my iPhone?

I normally charge my iPhone all night to get 100% power, does this charging way harm my phone? Or, specifically, phone battery?
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1answer
44 views

What does an Apple “battery service” involve?

I've got a mid-2012 13 inch MacBook Air that I've owned since new. Quite soon after I bought it, the drop-down menu that appears when I click the battery icon in the menu bar included the item ...
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1answer
34 views

Power adapter green light blinking on - non genuine adapter

I recently acquired a new power adapter 85W for my macbook pro retina late 2013. I made sure the specifications matched the official Apple adapter and in fact I have not noticed any performance ...
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0answers
64 views

New MacbookPro 13 Retina MID2014, temperature issues

Bought this Mac two weeks ago, and I used to have a MacbookAir. I believe in my MacbookAir the battery temperature usually stayed around 30 Celsius while using it, even heavily. With my new Macbook ...
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2answers
46 views

What does (10 hours)² mean? (specifications)

I was looking at the specifications of the MacBooks (pro) on Apples website and I saw this. Built-in battery (10 hours)². What does the '²' mean? Why (10 hours)² and not 10 hours?
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1answer
44 views

IPad Battery replacement criteria under warranty, no applecare

does the complimentary one year warranty cover replacement of batteries that go below 50% of original capacity? What is 50%...? Like how fast does it have to drain? Is there a way to measure without ...
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1answer
38 views

Difference between Express and Standard Replacement Service for iPad battery

Can a user use Express Replacement Service to get a new battery if still under warranty? How's that different than Battery Replacement Service again under warranty?
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2answers
34 views

Unused iPhone 5 not restarting

I powered off my old iPhone 5 after getting the iPhone 6 six months ago. Today, I tried to turn it on and the iPhone will not start.
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1answer
161 views

MacBook Pro battery percentage jumping down and up

Recently, my 2011 MacBook Pro 13' produces strange instantaneous jumps in battery percentage. Sometimes, when it is discharging, it drops by ~40% (and if it was near or at less then 40%, it shuts down ...
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votes
2answers
136 views

Can I run my MacBook Pro on just AC power?

I have a used little MacBook Pro 13 inch Late 2008 5,1 and I was told it needed a battery. It charges, then it doesn't, and it shuts off at the most random times, so the thought occurred to me to take ...
2
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4answers
64 views

No Battery Available

I have a MacBook Pro 15", early 2011. Earlier this week, I brought it home and plugged it in, and there was an X through the battery. Did an SMC reset, and it started charging again. The next day it ...
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1answer
71 views

What must I check after I got my new refurbished MacBook Pro 13"?

My friend wants to buy new refurbished MacBoook Pro 13" mid 2014 MGX72 in Malaysia. He's afraid of defects. So he needs advice on how to check whether it has problem or not. If it has, he must report ...
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0answers
23 views

Incoming call is not registered on iPhone if iPhone turns of before I pick up

The situation: iPhone is low on battery I receive incoming call I try to pick up and phone turns of during that moment In this situation incoming phone number is not registered on the recent call ...
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0answers
34 views

MacBook Pro 10.6.8 mid-2011 and HP Compaq LA2205wg working only when MBP on battery

Weird behavior of MBP and external HP screen. When MBP is on battery - everything works perfect. But when power supply is connected to MBP - external HP screen is going black. "Monitor going to sleep" ...
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2answers
37 views

Booting up gets hung up at around 50%

I have a 2008-era 15-inch MacBook Pro, with Yosemite on it. The battery recently failed and, using only the power adapter, with the battery removed, the status bar gets stuck at 50%. Is it only a ...
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0answers
42 views

My Macbook Pro says I'm connected to a power source even when unplugged

I have a Macbook Pro mid-2010 (Macbook 7,1) that is acting a bit weird. The battery status always says I'm connected to a power source even when the charger is unplugged. The battery still discharges, ...
2
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0answers
36 views

App to allow battery charge only to a certain extent

I'd like to charge my rMBP battery only up to 85% or 90%, in order to preserve it. Is there any app that stops charging at user selected percentages? If not, is there any other method? (Apart from ...
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0answers
49 views

MacBook Air Mid 2011 battery not charging

My battery will not charge. The ac is connected and it is a new. The green light is on. I have tried the reset. Any Help? Here is the stats:Battery Information: Model Information: Serial Number: ...
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1answer
50 views

Mac OS X - report time on battery since last AC unplug but exclude sleep time

Is there an app or existing command to report the battery time since the laptop was last unplugged from AC but exlude the time spend during sleep on battery? This can be inferred from pmset -g log so ...
1
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1answer
25 views

How can I keep my MBP's battery from charging without removing it?

My battery has expanded and has to be replaced, but I am currently writing my thesis and intend to only keep using my MBP for a few more weeks before I buy a new one. I have heard that it is dangerous ...
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2answers
43 views

how to turn on empty iPad while loading?

How do I turn on an iPad (first revision) during it is loading. Or how do I turn it on at all? When I plug it in, the display shows a battery symbol with a little bit of red juice on the left side ...
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0answers
106 views

Resetting SMC on a Macbook Pro

About a couple of weeks ago, I tried turning on my Macbook Pro and it seemed completely dead. I plugged in the power cable but it still didn't work. Since it's not under warranty anymore, I opened up ...
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2answers
76 views

Accessing Apple Hardware Tool on MacBook Air 2010 running Yosemite

I charged my MacBook Air (Late 2010) up to 100% charge overnight however my battery died within 1 hour. Because of this I want to use the Apple Hardware Tool (AHT) to diagnose the issue. My Mac is 4 ...
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0answers
53 views

1.7 GHz Intel Core i5 10.7 Macbook Air Water Damage… still works… Battery issue

While on a flight in June 2014, the guy next to me put his drink in the gap between the tray and his cup spilled liquid below including on my macbook air which was in the pouch. Unsure of whether ...
2
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0answers
374 views

iPhone 4S 64GB not charging unless switched off

My iPhone is simply not charging unless I switch it off while it is already plugged in. I suspect it to be a software problem, as when its off it charges. Windows does not seem to recognize the device ...
0
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1answer
34 views

MacBook shows it is charging when MagSafe is green

My MacBook currently shows this even though the MagSafe charger has a green light. Does anyone know why this is? If it helps I am on a MacBook Air late 2010 with 819 cycle counts, 4,995mAh ...
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0answers
58 views

iphone 4s won't hold a charge

I updated my iphone 4s operating system to 8.1.3 , now the battery drains from a complete charge in about 5 to 6 hours on stand-by. I replaced the battery with a battery I purchase online. I thought ...
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1answer
163 views

Magic Trackpad stuck battery

I have a Magic Trackpad that sat unused in a work drawer for a few months. Like a total noob, I neglected to remove the batteries. I recently reconfigured my workspace and decided to start using ...
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175 views

Macbook pro mid-2010 randomly turns off?

This has been happening for around 6 months and it has gotten worse. I thought it was the battery because it had close to 1500 cycles. But I recently replaced it and now the problem seems worse. The ...
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1answer
304 views

Macbook Pro low battery warning to instant recharge

My Macbook Pro (Mid 2012, OSX 10.10.2) sometimes gives the Low Battery warning, then immediately after dismissing the notification the battery pops back up to about 25% battery, still showing a red ...