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In Reply to: Battery Specifics posted by fmak on November 22, 2015 at 21:34:33:
You don't need A123 batteries, I just mentioned them as being the first to market & probably the best but for this use any LiFePO4 battery will do, I believe.
To charge it just provide a 3.3 or 3.4V supply to the battery on a continuous basis - this will just trickle charge it. The only problem you could possibly have is if you let the battery deplete by running power from it & not charging it. This is not recommended for the battery health & recharging from depleted draws a large an amount of current from the charger- you just need to either avoid this situation or recondition the battery with a charger that can handle a large current draw.
I already answered the question about any noise coming from the charger - the battery acts a a very large capacitor effective over a wide frequency range & absorbs 99% of any noise. Try it with various chargers & see if you can hear or measure noise on the battery output.
As regards self-noise - this is based on an old report on batteries in TNT. This report didn't include these modern battery chemistries. There are some NIST reports on the noise of these batteries showing exceptionally low noise
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- RE: Battery Specifics - jkeny 11/23/1506:34:06 11/23/15 (0)
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