Inexpensive Alternatives to the Uptone LPS?

[barrows]

Batteries basically suck.  I have experimented with many battery based solutions, both post regulated/filtered and not, and all the battery based systems I have tried have not ever equalled a really good linear power supply (or even a really good SMPS with post filtering/regulation).

Batteries are also a PIA, bad for the environment int he long term, and they change their performance (noise, output impedance and voltage) with the level of charge present.  While it is possible to make batteries work well, to do so requires so much extra circuitry, that one might as well have just made a really good linear power supply instead.

[barrows]

18 minutes ago, CrushingIt said:

I'm not going to get into a discussion on sound quality, but almost all forms of electricity are bad for the environment. Solar would be nice, but then you are dependent on batteries for storage. 

Umm, I think you are not following me, perhaps I need to be more specific.  As to batteries impact not he environment, I was speaking more to the point that batteries require frequent replacement, as their ability to hold a charge degrades over charge/discharge cycles.  So one then needs to dispose of them.  

For electric cars, which can have such a positive impact not he environment (I think the evidence shooed eb pretty clear to most anyone living in a lockdown such as lately, where airborne pollution levels have radically decreased in such a plain way as t be obviously visible) I ma willing to accept that we need batteries.

But for powering home audio gear there is no such need.  As a good linear supply outperforms batteries anyway, and is more convenient to use.