Battery power supplies for the Regen

[mmerrill99]

LOL

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If your device demands a fixed, regulated voltage, you can connect a battery pack with a range that fits the desired voltage, then supply the pack with an LPS that's regulated at the desired voltage for your device - a la JKenney and his Ciúnas DAC or the French-made Audiophonics PCM5102 DAC. Both of these DACs rely on internal LiPo batteries to filter noise coming from the regulated LPS. (I'm not so sure about that, but it might hold some merit.) The trick here is to select a battery pack where the desired voltage for your device (as regulated by the constantly connected, trickle-charging LPS), is as close as possible to 3.8V per cell - for the sake of the battery's longevity. (3.8V is the ideal long-term storage voltage of a LiPo cell.)

 

Mike

AFAIK, Jkenney uses LiFePo4 batteries - a whole different ball game than LiPo batteries - no fire risk, very flat discharge curve (remains nominally at 3.3V throughout discharge) & are constantly trickle charged at 3.3V?