Which one is battery-friendly? Charge in standby mode or charge while it's running/operating?

I just wanna make sure my battery lasts long..

General consideration of your MacBook battery
Contrary to popular myths about notebook batteries, there is protection circuitry in your Macbook and therefore you cannot ‘overcharge’ your notebook when plugged in and already fully charged.
However if you do not plan on using your notebook for several hours, turn it off (plugged in or otherwise), since you do not want your Macbook ‘both always plugged in and in sleep mode’.
A lot of battery experts call the use of Lithium-Ion cells the "80% Rule", meaning use 80% of the full charge or so, then recharge them for longer overall life. The main quantified damage done in the use of Lithium Ion batteries are instances where the internal notebook battery is “often drained very low”, this is bad general use of your notebook battery.
A person who has, for example, 300 charge cycles on their battery and is recharging at say 40% remaining of a 100% charge has a better battery condition state than, say, another person who has 300 charge cycles on their battery and is recharging at say 10-15% remaining on a 100% charge. DoD (depth of discharge) is much more important on the wear and tear on your Macbook’s battery than the count of charge cycles. There is no set “mile” or wear from a charge cycle in specific. Frequent high depth of discharge rates (draining the battery very low) on a Lithium battery will hasten the lowering of maximum battery capacity.
All batteries in any device are a consumable meant to be replaced eventually after much time, even under perfect use conditions.
If the massive amount of data that exists on lithium batteries were to be condensed into a simplex, helpful, and memorable bit of information it would be:
1. While realistically a bit impractical during normal everyday use, a lithium battery's longevity and its chemistry's health is most happy swinging back and forth between 20% and 85% charge roughly.
2. Do not purposefully drain your battery very low (10% and less), and do not keep them charged often or always high (100%).
3. Lithium batteries do not like the following:
A: Deep discharges, as meaning roughly 10% or less. Avoid this in all instances if you can. This is hard on your battery.
B: Rapid discharges as referring to energy intensive gaming on battery on a frequent basis (in which case while gaming, if possible, do same on power rather than battery).
C: Constant inflation, as meaning always or most often on charge, and certainly not both in sleep mode and on charge always or often.
From Apple on batteries:
http://www.apple.com/batteries/notebooks.html
http://support.apple.com/kb/HT1446
"Apple does not recommend leaving your portable plugged in all the time."

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Battery Not Charging While Computer Is On

I have a Presario cq50z-100. The wire on the AC adapter was ripped open broken wires were exposed. I never put the broken charger in the laptop. Two weeks ago I bought a new charger and have been having a lot of problems. The charger is certified to work with my computer, has the same connector, and the same voltage. It can power the computer, but while the computer is on it wont charge. The battery icon reads plugged in and charging, but there is a red x over it, it doesn't actually charge, and the battery LED on the computer flashes. However while the computer is off the LED stays lit and the battery charges. I've already updated the drivers and messed with power options I could find.

Hi JackFission,
Welcome to the HP Forums!
I would like to take a moment and thank you for using the forum, it is a great place to find answers. For you to have the best experience in the HP forum, I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I see you are having an issue charging the battery and are getting an error message about the smart adapter. If you are getting the error ""The smart AC adapter connected will power your computer, but potentially at a reduced performance level." there seems to be an issue with it. That is most likely the reason for it not charging the battery while awake, as it is affecting the performance.
Here are links to Using and Testing the AC Power Adapter
and Testing and Calibrating the Battery (Windows 8)
Please let me know if this has helped.
Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

Battery losing charge while plugged up to charger

In the past few days, I have had a new problem arise with my Droid Incredible 2. I have had my phone for about 8 months. In the past few nights, I have plugged up my phone as I have done for the past 8 months. The phone typically has about 40-50% charge remaining when I plug the phone in to the wall. When I plug the phone in, I make sure the battery icon shows it as charging. (FYI: Typically the battery icon changes to have a lightning bolt inside of it and it fills from right to left over and over again until it reaches a full charge.) After confirming the phone is charging, I fall asleep. When I have woken up the past few mornings, my phone has been powered down, and the battery charge indicator light is not on. I can unplug the charger and plug it back in and the battery indicator light will turn on. I have to allow the phone to sit for a minute before it will finally power on when I push the power button. Once the power is on, the battery icon does not show as charging, and I get a message that the battery is too low and I need to run on AC power. After about an hour of leaving the phone connected to the charger, the battery icon changes to the typical charging icon as described above. I have pulled up the battery status and history (which is a factory installed phone application). If you have a Droid Incredible 2, look under Settings > About Phone > Battery > Battery Use. The battery use screen has a chart that shows the % battery life remaining on the y-axis with time on the x-axis. It also shows a summary of the main processes running on your phone. On nights when I have had this problem occur with my phone, the chart has looked like the one in the picture attached. Notice, the phone shows it was charging at the bottom of the screen, but the battery life remaining in the chart is crashing to 0%. Where the battery life begins to increase again is when the phone suddenly decided to start charging again. After showing this chart to a Verizon employee, and telling them my story, the employee went on to say that it looked like it could possibly be the battery. They performed a battery test. (FYI: A battery test at my local Verizon store consists of powering my phone off, and fully charging the phone then calling a special number that would supposedly pull the battery power down a certain amount after a certain amount of time.) Unfortunately the battery test showed that the battery was good because it charged normally, and it depleted normally when the phone call was made. No quantitative measurements were taken to determine if the battery was good or bad. Even though the Verizon employee agreed that it may be my battery from looking at the chart attached, he said they could not replace my battery under their warranty because their policy did not allow them to replace the battery unless it tested bad in their test. The employee eventually suggested that I should uninstall some apps (which have been on my phone for a long time) because they might be causing the problem. Does anyone have any advice on what the problem could be? Does anyone know who I could contact at Verizon to discuss a policy change? If a phone has a factory installed application that can monitor battery power, then the phone supplier should be able to use that information to determine if the battery is good or bad. Otherwise there is no point in having that feature on the phone. Someone please give me some help!

Lena-It seems this is happening quite a bit. My phone has been acting the same way for about 2 wks now. I went to the Verizon store & they were little help. They suggested I contact Assurian (insurance) about a replacement phone. I tried a different USB cable & wall charger (sold by verizon) which works intermittently. I am currently signed onto the Assurian website about to order the replacement phone & pay the shocking $99 deductible...when it looks as though is is a very widespread problem.
I have found other forum entries noting overheating of the battery & I haven't yet looked for anything about my phone not syncing when hooked up to my computer. There is something clearly wrong with these phones & we should not be responsible for paying a deductible!!
Do you know of what other channels can be taken to resolve this issue? This is beginning to look like a product liability issue...

MBP 2012 Battery not charging While playing Games like Maxpayne 3

Hey guys, just a simple question.
The charger runs normally, how it should when im just browsing around online and stuff. But when I'm gaming, for instance on Max Payne 3. It would go green, ive got yesterday my new MBP non Retina (i7 2.66, Anti Glare, 750GB@7200,8GB RAM,15" NVIDIA GeForce GT 650M with 1GB,
I installed Bootcamp- win7 64-bit Ultimate, i hve same problem when i play Maxpayne 3, and also for crisis2 , but it went on green only when i quit game its charging back to orange, and i notice while in game my battery didn't charge,
i called apple they said same like go to apple store, and GPU heat is also 80 with iSATAPP , but even though it goes that heat noting happen i played almost 2 hrs, today i will again will play more time , and i will update windows updates hope will do any thing.. will post here soon...i think not only new MBP has this problem
i have still 14 days to return this. MBP.. can also return at westfield.
not sure abt retina / i dont like it coz less custom not worthy for money,,,
Thanks,

Some of the heavy gamers do feel the Windows machines are better suited since they can go to the high-end video/graphics support. But, as you say, that is a big extra expense. If you are not into that kind of high-end gaming the Mac is fine, the 2011 MBP is a great machine. I've been using this one since it came out and it is rock solid.
But I don't put a heavy load on it in the gaming area. I run FORTRAN scientific codes which are heavy loads on the CPU, but not the GPU so there is not that added electrical demand.
An external graphics card does not seem like a real need to me, especially since you would probably then be looking at another monitor, also. If you are not having any system issues beyond the 60 w charger being undersized, why mess around more than you have to?
Just my two cents

Battery loses Charge while plugged in

When I run procesor intensive apps, my battery begins to drain even when the charger is plugged in. The charger just stays amber color while the battery percentage slowly decreases.
It also makes a ton of noise while charging. This never happened until jusr recently.
Thanks

You probably have the same problem as I do. Check your AC adaptor. Here are my symptoms.
1) Computer make a lot of noise when charging.
2) If you leave your AC adapter plugged in, and remove the battery, your computer will turn to a black screen. You will need to use the power switch to restart.
3) Battery gets drained eventhough you are plugged in
My AC adaptor was getting to a point where it started to brown the plastic outside of the wire. Because of that, an apple genius refused to replace it free of charge. He is saying it's my fault. He wanted me to buy a new adaptor. I am very unhappy about this. I hope you have better luck and I hope my description helps you diagnose your problem.

Battery not charging when MBP is RUNNING

Strange thing just started happening, when my MBP is running my battery is not charging (green light on MS, says not charging on screen). When it is asleep or shut down I get an amber light and it does charge. It will also charge iPhone over USB.
When it's running it will go till the battery is drained then shut down. Also since I got it last year, if the battery is dead it will not power on for 30 min or so.
Replaced battery 5 months ago with apple orig, has 51 cycles on it. Tried a PRAM and SMC, no change. Tried many ac plugs, no change. Hard to get it to an apple dealer: any ideas?

Have you been calibrating your battery per your user manual schedule?
Calibrating your computer's battery for best performance
Apple/About This Mac/More Info/Hardware/Power/Battery Information - copy and paste the information here. *_Do not include any serial numbers._*
Apple Portables: Battery may not show a full charge in Mac OS X
Apple Portables: Tips for maximizing your battery charge
Apple notebook batteries – maintenance and troubleshooting

Battery losing charge while iPod is off

We have an iPod nano that seems to have reasonably good battery life if played immediately after charging (just over 12 hours of continuous play), but if we charge it, then unplug it and turn it off, and also put the 'hold' button on, it loses its charge overnight, and is completely 'dead' when we try and turn it on the next day. When we then plug it into the usb port, it indicates that the battery is empty, and we have to fully charge it again. We've sent it to the Apple service centre, but they are returning it saying there's nothing wrong with it. My daughter has an identical iPod, and hers doesn't present the same problem. We have tried two different cables for charging it, and it hasn't helped. Also tried resetting and updating and so on...
Has anyone got any idea what to do next??
iPod nano Windows XP

I am having the same problem with my new ipod. I just got it two weeks ago and it has been losing it's charge overnight since I bought it. Has anyone figured out how to fix this problem? I have reset it and updated it, but nothing has fixed it yet. Also, when you reset your ipod, should you lose all your songs, because when I reset it I didn't (maybe I didn't do it right, but I followed the instructions)? I was thinking of sending it back to Apple, but I read somewhere that someone else sent theirs back for the same problem and Apple sent it back saying there was nothing wrong with it. After reading that post I wasn't sure if I should send it back because I didn't want to be charged for sending it and then them sending it back saying there isn't a problem. Please, if anyone knows how to fix this let me know.
Oh, I also checked for alarm settings and there are none set. Thanks for any help you can give.
Averatec 6100 Series Windows XP
Averatec 6100 Series Windows XP

Battery not charging while connected to computer.

I just bought the iPhone and when the battery is very low, it won't charge on my computer and it won't even open up iTunes automatically when I connect it. The batter icon doesn't show as well. It does charge when I connect it to the wall outlet and it will charge on my computer if it is about 1/3 or more full. I connect it to my computer and wait to see if anything happens, but it doesn't. I tried turning it off, and resetting it, but still nothing.

I've been having a similar issue for several months now. There are several other threads here dealing with this topic and I've tried all the solutions suggested. All work some of the time. None work all the time. These include:
• changing charging device (ie, using wall charger instead of USB port, or vice versa)
• power cycling the phone
• doing a reset on the phone
The issue is intermittent and occurs regardless of the charging device in use, and does not appear to be an overheating issue, as it can happen even if the phone has been out of use for a while.
Apple has twice replaced my phone (thank God for AppleCare), but the problem has persisted. Right now, the only thing the Apple technicians can suggest is that I wait for tomorrow's OS upgrade and keep my fingers crossed.
Given that (for me, at least) the issue dates back to the approximate time of the last OS upgrade (to 3.1.3), I'm sure hoping that will take care of it.
Tonight for example, I spent two hours on the phone, while it was plugged into the computer. The phone was draining the whole time (as I discovered when the call was over). It then took me 20 minutes of fiddling with the various "fixes" to get it charging again. I'm pretty tired of this.

My battery dies even in standby mode?

As per my rehtorical question...my battery keeps dying irrespective of power save modes and all the help and advice I can find on the internet since I upgraded to Mavericks. It's really very frustrating to have to deal with now.
I've looked around for other people having battery life issues on their MBP 2011/12 models (17") and other various MPB users and nothing seems to be familiar to what's happening to mine...
Can anyone shed some light? Please?!

Is the system actually going to sleep? If there is something running it will stay warm & use up all the battery.
It should eventually hibernate & save the memory before the battery dies, but that depends on some power management settings.
See if resetting the SMC helps…
https://support.apple.com/kb/HT3964
Also reset the PRAM…
https://support.apple.com/kb/HT1379
Otherwise boot into safe mode & see if it sleeps correctly…
https://support.apple.com/kb/HT1455
Be aware that many apps won't work in safe mode & some Macs will lose wifi or other hardware features, it's just the nature of turning everything off. Reboot to get back to a 'normal boot'.

How to turn off processes (battery drain problems even in standby mode)?

I have the new iPad (3) and a number of processes keep running in the background even though I have "deleted" them in the multi-task pane, i.e., I have double clicked the circle, held down each app and then hit the red dash so that no apps are running in the background. For example, I keep getting notifications that apps need to be updated which means my iPad is checking with the app store - this is happening even though my notification center is empty. I also have a battery app that tells me 30+ processes are running even though I have no open apps. I understand that some processes must always run, but I would like to disable the unnecessary ones b/c I continue to have terrible battery performance, even in standby mode.
As for standby battery performance, the strange thing is that sometimes my battery doesn't drain in standby at all and then other times it drains over 10% over one night. Each time there are no apps running in the background and I have no idea what is causing the inconsistent behavior, but I can only assume there must some process issue.
Anyone have any thoughts?

The quickest way (and really the only way) to charge your iPad is with the included 10W USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at
Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
 Cheers, Tom

After Updating the iOS 7.04 on my iPhone 4s drain battery quickly on standby mode & also doesn't respond volume up button, why?

After Updating the iOS 7.04 on my iPhone 4S drain battery quickly even on standby mode & also doesn't respond volume up button, why?

My battery problem woes continues to persist. Yesterday, I had about 85-90% battery life in the morning. A couple hours later when I looked at the phone it was down to 65%. At that point, I shut off wi-fi, bluetooth, and background app refresh. I received one call shortly after that. The call lasted about two minutes. My battery was now down to 40%. Another hour later, down to 16%! Here's the kicker: I plugged in the phone to a charger and it jumped to 65% in a matter of minutes. I unplugged the phone and within a couple of hours it was back down to around 30%. I plugged it in again and within 10 minutes it was up to 75%.
At first glance it looks very much like a hardware issue. However, I never had this problem until I upgraded to 7.0.4. Also, the above battery roller coaster ride isn't a constant. That is, it seems that only sometimes this happens. So...I'm thinking it's either an app running in the background eating up juice (though I have Background App Referesh turned off) or the iOS is buggy.

Battery charges when asleep but will NOT charge while awake

Hello -
By battery will charge when off/asleep but will not charge while awake. It just slowly drains to nothing and dies even though adapter is plugged in. magsafe adapter light is green when open/on and orange when off/asleep and lights on battery indicate charging while in the latter state. still using stock battery that came with computer when I got it a few years ago, so it's not new by any means, but when fully charged lasts as long as it used to. I would think maybe charger is issue, but it DOES charge, just not while awake. not sure why computer wouldn't still work correctly while plugged in if in battery indicator it says power source is "power adapter," but its not. I have tried resetting PMU and calibrating battery. the combo of the two seemed to work when having issue a few months ago, but it just started doing it again. frustrating because once it dies I have to wait several hours until its fully charged again, so it cramps the workflow... any ideas? battery info from profiler below.
Cheers,
Ian
Battery Information:
Model Information:
Serial Number: DP-ASMB013-3556-2063
Manufacturer: DP
Device name: ASMB013
Pack Lot Code: 0001
PCB Lot Code: 0000
Firmware Version: 0102
Hardware Revision: 0300
Cell Revision: 0100
Charge Information:
Charge remaining (mAh): 81
Fully charged: No
Charging: No
Full charge capacity (mAh): 4571
Health Information:
Cycle count: 827
Condition: Good
Battery Installed: Yes
Amperage (mA): -1134
Voltage (mV): 10921
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 60
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 20
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 5
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 1
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Hardware Configuration:
UPS Installed: No
AC Charger Information:
Connected: Yes
Charging: No

Scott - Your answer ultimately led me to the answer, albeit months later, after much internal deliberation and some trial and error... thanks!
Ruled out battery (as crazy as that sounds - it's had a bajillion cycles) as it didn't make sense that battery would charge but wouldn't work while awake. I have a friend whose battery is completely shot and his still works as long as magsafe is plugged in, and mine wouldn't even do that. tried another adapter and that worked. then tried mine in a different plug. so in the end, turns out I had a bum powerstrip... mag safe / battery recharge works properly when just plugged in somewhere different.
So no need to buy a new charger or battery (yet!)
thanks to all,
Ian

Which one is better for uploading data LSMW or ECATT ?

I am going to implement my product in customer place.which tool I can use for uploading data.ECATT or LSMW whch one is better to upload master data and transaction data ,which one is user friendly?kindly guide me on this.

Hello TJK,
LSMW and eCATT has different functionalitites and different advantages, but common thing is they are used for data upload.
eCATT is mainly used as a testing tool for follow-on transactions i.e. Purchase Requisition, Purchase order, Goods Receipt etc.
Where as LSMW is used for Master data (Materials, Customer, Vendor, BOM, Inforecord etc) and some of the transactions data (Purchase order, purchase requisition)
There are many standard objects are available in LSMW so most of the consultants use LSMW, but again depends on the requirement.
This will help to understand the basics of eCATT.
/people/sumeet.kaul/blog/2005/07/26/ecatt-an-introduction
and here it is for LSMW
/people/hema.rao/blog/2006/09/14/lsmw--step-by-step
Hope this will help.
Regards
Arif Mansuri

Battery not charging when plugged in

I have a Pavillion g6-1d11dx laptop and I have two problems (and I don’t know if they are related). First, I have been having trouble with the battery not charging while it is plugged in to the AC outlet. The battery icon in the systray currently says “40% available (plugged in, not charging)” and the percentage has been consistently going down over many weeks. Most recently, when I unplug it from the AC it no longer goes to battery reserve, it just loses power entirely (and when I plug it back in and turn on the power I get the “system was not shut down properly…” message).
Second, and I don’t know if this is related, but for several weeks the fan has been running, seemingly non-stop, especially overnight. I don’t know if it’s relevant, but I have a scheduled nightly (1 am) definitions update and full scan that usually takes about 2 to 2-1/2 hours. But my wife says no matter when she gets up in the middle of the night, the fan is always running, and the unit has been very hot. My wife has been concerned about a fire (though it's not a model listed in the recall). I downloaded a BIOS update from the HP website hoping that would help. The fan seems to have been running less, but hasn’t stopped entirely.
I wanted to see if I could detect any problems with the battery, so I went through all the suggested troubleshooting protocols listed on the HP website, but ran into a hitch when I tried to use the HP Support Assistant utility on the laptop. When it opens, the Support Assistant displays "An error occurred" (instead of "Support Assistant") in the window's title bar and the system variables ([Product Name], [Serial Number] and [Product Number]) listed in the Support Assistant status bar all say "Loading...", but never do load. When I go to the Maintain mode to check the battery status, it says "No pending action", and, as suggested on the HP website, I click the Refresh button (then, in the pop-up window that appears, I choose the “Check all updates, but install only important updates automatically” radio button, then click OK). But while the result page displays “Pass” on the checks for “Connect to HP servers” and “Preparing the action list”, it displays “Fail” on the checks for “Downloading updates”, “Gathering information” and “Analyzing your system”. Oddly, when I run the system check from te HP website, it DOES auto-detect my system info (Serial Number: 5CG21919LT; Product Number: B7S84UA).
I tried to open the HP Connection Manager utility, but I get the HPConnectionManager.exe fails to load ("Cannot load assembly: CaslShared, Version=3.5.1.1, Culture=neutral, PublicKeyToken=9c6f83d5b7f3d097. The application will now exit.").
Can someone tell me how to properly connect to HP to allow the utilities to do their diagnoses? And/or why my battery isn’t charging and I can’t get a system diagnostic?

I should note that this unit is pretty new: purchased in august 2012.

I created a slide show in imovie for my daughters 21st with voice overs from friends and family which was all working fine but now the voice recordings are not playing at all. Obviously some setting has changed but I can't find which one.

I created a slide show in imovie for my daughters 21st with voice overs from friends and family which was all working fine but now the voice recordings are not playing at all. Obviously some setting has changed but I can't find which one.

I created a slide show in imovie for my daughters 21st with voice overs from friends and family which was all working fine but now the voice recordings are not playing at all. Obviously some setting has changed but I can't find which one.

Which one is battery-friendly? Charge in standby mode or charge while it's running/operating?

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