I want to power an audio circuit board which draws a maximum current about 85mA ( 4 x NE5532/JRC4559 + 2x OPA2132 + 1 LED)). Now,I am exploring the possibilities of powering it with 6 x 3.7v (22.2v) Li-ion (either 18500 or 14500) batteries in series and incorporate a battery PCM board primarily for optimal current consumption & as a protection for the batteries!
I contacted a manufacturer,who is willing to supply me 1-2 boards, but wants to know the maximum discharge current for factory adjustment prior to dispatch. Here below is a typical PCM board with Charge/discharge currents between 4-12A
BRIEF SPECIFICATIONS OF THE PCM
Maximum Charge Current = 12A (can be adjusted)
Maximum Discharge Current = 12A (can be adjusted)
Balanced Current Single Cell = 42 +/-5mA (85mA version available)
Q:So, what should be the the Maximum discharge current limit?
Secondly, is it possible to charge li-ion batteries in series connected to a PCM board on a NON TRICKLE LAPTOP CHARGER, if ever there is one?
This is my first ever entry into the world of rechargeable batteries so I am a little drained on this subject, although I'd like to think that I know a little more now than I did a week ago! So any advice from an/ expert(s) out there would be most welcome!
I contacted a manufacturer,who is willing to supply me 1-2 boards, but wants to know the maximum discharge current for factory adjustment prior to dispatch. Here below is a typical PCM board with Charge/discharge currents between 4-12A
BRIEF SPECIFICATIONS OF THE PCM
Maximum Charge Current = 12A (can be adjusted)
Maximum Discharge Current = 12A (can be adjusted)
Balanced Current Single Cell = 42 +/-5mA (85mA version available)
Q:So, what should be the the Maximum discharge current limit?
Secondly, is it possible to charge li-ion batteries in series connected to a PCM board on a NON TRICKLE LAPTOP CHARGER, if ever there is one?
This is my first ever entry into the world of rechargeable batteries so I am a little drained on this subject, although I'd like to think that I know a little more now than I did a week ago! So any advice from an/ expert(s) out there would be most welcome!
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Looks like my post/thread got drowned in the loudness war...so let me try again.
I am trying to power a small preamp drawing about 85-100mA max with 6 x 3.7v Li-ion batteries. I'm also planning on incorporating a PCM board to optimize the batteries for efficiency & safty.
The PCM is rated @ Max Charge/discharge current of 12amps,but this could be adjusted by the factory to my specifications.
So, should I specify the maximum discharge current to 100mA?
Secondly,I wonder if it is possible at all to use a laptop charger to charge these batteries? If so, what should be the correct voltage & current ratings of the charger, say for instance to charge 6 x 3.7v/3A or 4A batteries. Btw,the batteries will be connected in series to the PCM & would be charged through it.
What should be the maximum charge current then for 3 & 4 amps/batteries?
Trickle charging of Li-ion batteries is not recommended,so would this be a problem? All laptop chargers are of this type I gather! On the other hand,the charger will be disconnected when the pre is in use, so this shouldn't present any problems right?
The little I know so far about li-ion batt. is what I've read & understood in the last 2 weeks,so my knowledge is definitely drained flat or basic a.t.m!
I am trying to power a small preamp drawing about 85-100mA max with 6 x 3.7v Li-ion batteries. I'm also planning on incorporating a PCM board to optimize the batteries for efficiency & safty.
The PCM is rated @ Max Charge/discharge current of 12amps,but this could be adjusted by the factory to my specifications.
So, should I specify the maximum discharge current to 100mA?
Secondly,I wonder if it is possible at all to use a laptop charger to charge these batteries? If so, what should be the correct voltage & current ratings of the charger, say for instance to charge 6 x 3.7v/3A or 4A batteries. Btw,the batteries will be connected in series to the PCM & would be charged through it.
What should be the maximum charge current then for 3 & 4 amps/batteries?
Trickle charging of Li-ion batteries is not recommended,so would this be a problem? All laptop chargers are of this type I gather! On the other hand,the charger will be disconnected when the pre is in use, so this shouldn't present any problems right?
The little I know so far about li-ion batt. is what I've read & understood in the last 2 weeks,so my knowledge is definitely drained flat or basic a.t.m!
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Title fixed, clean up done- Status
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