Argaman_Bergman wrote:I have seen several posts where people considered to use battery other then AAA for their players. To help them all, I bring here a "table" comparing the different 1.5v standard battery types, so you could compare the theoretycal amount of performance you could get, along with weight of battery. I use information that comes from Energizer's site, so it could compare only to their batteries, and in general consider it all as it is, something you could get only at ideal conditions. In ( ) you have values compared to AAA. I have assumed 9.5 hours for the AAA type.
AAA: 11.5gr (x1), 1250mAh or 9.5 hours of work (x1).
AA: 23gr (x2), 2850mAh or 21.85 hours of work (x2.3).
C: 66.2gr (x5.7), 8350mAh or 63.65 hours of work (x6.7).
D: 148gr (x12.8 ), 20500mAh or 155.8 hours of work (x16.4).
So in theory the most efficient battery is type D, because even if it's ~13 times havier, it gives you over 16 times play time. Note that 512MB player can hold only some 9 hours of MP3 @ 128kbps
If anyone have any comments I would very much like to read them!
altean wrote:actually i'm browsing for heftier 3.6 lithiums so I could attach it to the back of my player with a velcro or something similar or even better, make the rear a bit larger out of some plastic material so the larger battery can fit under the hood
I'm testing my old cellphone battery as we speak.
i dont agree with you Zim_256 i add new ION battery with 3.7v to my 2085 chip and my player work great
Crunchy wrote:You can always safely attach anything up to 5V via the USB power lines.
USB runs on 5V, so your player HAS to be able to handle that, or else it would burn out every time you plugged the player in your PC.
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