Computer Audio Asylum

RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V)

222.131.64.177

kclo

A

In Reply to: RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V) posted by jackwong96 on November 27, 2011 at 03:50:12

Hi Jack,

I am planning my next music server, and am also a believer in battery power supply. Would like to get your input on something I found in Taobao:

http://item.taobao.com/item.htm?id=4472332925&ali_refid=a3_420435_1006:1102524038:6:%B5%E7%C4%D4%B5%E7%D4%B4:c31f8980be71f171b0dcf92593006536&ali_trackid=1_c31f8980be71f171b0dcf92593006536

Would something like this be able to simplify the power supply issue?

Thanks for your input, as always,
KC

Follow Ups:

RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V) - kclo 16:23:02 12/20/11 (0)
And, jack,

Is it possible for you to sent me an email.

Thanks
KC
RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V) - jackwong96 08:44:37 12/20/11 (2)
Hi KC,

The product highlighted is very good value for SQ performance. Just slightly more expensive than an ATX PS, you can get a battery switching PS. The good thing is that you will certainly get rid of all power-line noise. The bad is that it's still a switching PS, but at this price I don't think one should ask for more. My comments are that you cannot possible buy a better PS at this price and it can possibly outperform some linear PS.

The choice is very personal. This product offers ease of installation but is not a choice for ultimate performance. If you want better performance, look somewhere else.

The LiFePo4 options are preferred. SQ will benefit from adding some good bypass capacitors and ferrite chokes. Of note, even with this PS, a separate 12V is still needed for the P4 for noise isolation.
- RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V) - kclo 16:29:08 12/20/11 (0)
  Hi Jack,
  
  Is it possible for you to sent me an email?
  
  Thanks
  KC
- RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V) - kclo 16:20:28 12/20/11 (0)
  Hi Jack,
  
  Thanks for your input. My intention is to use my existing work bench linear PS for the charging supply.
  
  KC
RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V) - theob 03:28:50 12/19/11 (2)
KC any english translation available? What is jist of article?
- RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V) - kclo 04:06:40 12/19/11 (1)
  Hi Theob,
  
  This board accepts:
  
  1. Battery input (24V/21V/19V)
  2. Charging input (220V/12V-car lighter/12&24V-car battery)
  
  and output 12V, 5V and 3.3V for the MO and display card
  
  You don't really need the Chinese, just look at the diagram and my description above
  
  KC
  - RE: LiFePo4 Battery from 13.2V to 12V (or 11.8V) - theob 04:32:45 12/19/11 (0)
    Thanks

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