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SanDisk Professor
Posts: 579
Registered: ‎12-02-2008

Re: AA battery powered mp3 player?


Tapeworm wrote:

vidra wrote:

The advantage of rechargeable NiMH batteries are as follows:

Respectfully discussing:

- much higher capacity. The Li-ion battery in my Fuze lasts 15-20 hours on a single charge, whereas one 2300mAh AA battery in my old i-River lasts over 40 hours, which is more than double the capacity. This was on you old i-river. How can you know what the charge/play time would be on the Sansa?

 


Fuze batteries I've seen for sale are 550 mah 3.7 volts.  So in total energy this NiMH is about 50% more (2.3 amphours *1.2 volts).  Note you can get higher capacity NiMH,  

 

Newbie
Posts: 1
Registered: ‎01-26-2010

Re: AA battery powered mp3 player?

I agree that for normal use the larger capacity mp3 players that I can just plug into the wall or pc are much better, however I'm about to deploy for Haiti next week and am looking for a battery operated mp3 player that I can buy to bring with me.  I really don't care about a sleek design and just want something that I can use to listen to music while i'm there.  Since I will be in an environment where there really is no power, except for our own generators (which isn't to be used for charging personal electronics) it really would be much easier to bring extra batteries, and not have to worry about the internal battery going dead after 12-15 hrs.  I will be there for 2 weeks so something that only gives me 12-15 hrs there is not even worth bringing there if I can't charge it afterwords.
SanDisk Guru
Posts: 3,233
Registered: ‎09-13-2008

Re: AA battery powered mp3 player?

There are battery pack devices that take 4 AA batteries and charge usb devices from them. If you decide to get one, make sure it has a voltage regulator. I have the Tekkeon mp1550 ($20) which works well with nimh rechargeables. I think using alkalines in such a device though might not be that efficient, and perhaps a bit more than half the power will be wasted as heat. You could pre charge several sets of 2900 mah nimh batteries in a one hour charger, or buy some Sanyo Eneloop or Duracell precharged 2000-2100 mah low discharge rate nimh batteries. 

 

There are usb crank chargers, and usb solar chargers, however I have not tried those. Another option is to buy a large capacity lion battery pack.

 

 

SanDisk Guru
Posts: 16,074
Registered: ‎04-17-2008

Re: AA battery powered mp3 player?

SanDisk Professor
Posts: 579
Registered: ‎12-02-2008

Re: AA battery powered mp3 player?


Tapeworm wrote:

Just stirring the pot . . .

 

http://www.anythingbutipod.com/archives/2010/01/mp3-player-battery-guide.php


 Though the author is not for replaceable batteries, the majority of responders are.  
Oddly, though the web site is "anything but ipod," the author of that article owns 2.
AFAIK Ipod was the first mp3 player with sealed batteries so lead the way for this type of design.
 
 

 

SanDisk Guru
Posts: 16,074
Registered: ‎04-17-2008

Re: AA battery powered mp3 player?


donp wrote:
AFAIK Ipod was the first mp3 player with sealed batteries so lead the way for this type of design.

True. I even remember the 'outrage' voiced by people over this. You could send the player in and Apple would replace the battery (or give you a complete re-furbed unit), but you couldn't replace it yourself.

 

Nonetheless . . . it didn't slow down their sales any. The fact that the Pod is #1 in the market year after year implies that the majority of people want smaller, thinner devices and don't really care that much about battery life, whether the battery is standard or even replaceable at all. They just want their tunes . . . at any price.

SanDisk Professor
Posts: 579
Registered: ‎12-02-2008

Re: AA battery powered mp3 player?

[ Edited ]

Tapeworm wrote: 

Nonetheless . . . it didn't slow down their sales any. The fact that the Pod is #1 in the market year after year implies that the majority of people want smaller, thinner devices and don't really care that much about battery life, whether the battery is standard or even replaceable at all. They just want their tunes . . . at any price.


It shows that they wanted *something* that ipod  offered.  Size was more due to the 1.8 inch hard drive (Apple had exclusive access to this for a significant time) than sealed batteries.  I see that the Nexus phone is thinner than iphone even though it's battery is swappable, so it CAN be done!
 Another big factor for Ipod was being the only player that worked with Itunes, and Itunes was the only (legal) source for downloadable mainstream music. 

 edit: The biggest common factor of people on both this forum and anythingbutipod is that most of us chose something else, so every decision made by apple is not right for everyone.

 

Message Edited by donp on 02-01-2010 10:13 AM
SanDisk Guru
Posts: 3,233
Registered: ‎09-13-2008

Re: AA battery powered mp3 player?

"Nonetheless . . . it didn't slow down their sales any. The fact that the Pod is #1 in the market year after year implies that the majority of people want smaller, thinner devices and don't really care that much about battery life, whether the battery is standard or even replaceable at all. They just want their tunes . . . at any price. "

 

It shows that many people are foolish, and don't think about the longer term. Think about how many people buy a printer without finding out which ink or toner cartridge it takes, and what the cost per page for ink or toner is.

SanDisk Guru
Posts: 16,074
Registered: ‎04-17-2008

Re: AA battery powered mp3 player?


JK98 wrote:

"Nonetheless . . . it didn't slow down their sales any. The fact that the Pod is #1 in the market year after year implies that the majority of people want smaller, thinner devices and don't really care that much about battery life, whether the battery is standard or even replaceable at all. They just want their tunes . . . at any price. "

 

It shows that many people are foolish, and don't think about the longer term. Think about how many people buy a printer without finding out which ink or toner cartridge it takes, and what the cost per page for ink or toner is.


 

That too. Smiley Very Happy

 

 

Newbie
Posts: 1
Registered: ‎02-03-2010

Re: AA battery powered mp3 player?

Still can't charge anything when in an electricity free part of the world -- and there are a lot of them!  A single AAA is light,lasts for ages,and is easy to carry into (and carry out again if used) any part of the world that has neither available power or suitable waste disposal systems.

No one is saying all MP3s need to be operate with disposable batteries but there is certainly a niche requirement and it could probably stand a certain surcharge on purchase. For me just something to deal with music -- no bells and whistles, just reliable, functional and a wee bit sturdy!