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Electronics For All (EFA)

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About EFA Community: For People around the world, who are interested in Embedded SW/HW, Electronics, Industrial Automation, Robotics, OSH, OSS, Beacons, 3D Fab,Professional N/W'ing, knowledge sharing & discussions on these technologies & engineering.35 Servers

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12 Jul 2023
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13 Jul 2023
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20 Jul 2023
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23 Jul 2023
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@rd2:matrix.orgrd2what do I need to make a portable battery with output 12.6 V 14.7 A. 15:52:42
@danielp3344:matrix.orgDaniel
In reply to @rd2:matrix.org
what do I need to make a portable battery with output 12.6 V 14.7 A.
Does it absolutely need to be 12.6v?
16:29:57
@danielp3344:matrix.orgDanielIn that case you probably need a 4S lithium battery and a regulator16:30:21
@danielp3344:matrix.orgDanielBut 15A is going to kill most batteries fast16:30:41
@rd2:matrix.orgrd2what do I need to make sure that the battery pack is always outpuiting 12.6v16:51:48
@danielp3344:matrix.orgDanielWell batteries don't have an inherently stable output voltage17:54:17
@danielp3344:matrix.orgDanielSo you'll need a regulator of some kind17:54:31
@rd2:matrix.orgrd2is this the job of the bms?17:54:53
@danielp3344:matrix.orgDanielIt could be18:24:43
@rd2:matrix.orgrd2why batteries do not come built in with buck boost converters?20:02:45
@rd2:matrix.orgrd2 * Why don't batteries come with built-in buck boost converters?20:03:10
@danielp3344:matrix.orgDanielProbably for the same reason you shouldn't try to run a mac off one :P20:04:32
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24 Jul 2023
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26 Jul 2023
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28 Jul 2023
@rd2:matrix.orgrd2According to the datasheet for the Victron Peak Power Battery with a capacity of 20Ah, it specifies a continuous output current of 30A from Output 2 and a nominal voltage of 12.8V. However, if the logic board consumes 12.8V at 14.7A, it is unclear if the battery will supply more current than the specified 14.7A to the logic board.! https://www.victronenergy.com/upload/documents/Datasheet-Peak-Power-Pack-EN.pdf any tip is appreciated02:19:32
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@wastl:matrix.binary-kitchen.deDO5RSW - SebastianIsn't how much current flows specified by the party that comsimes it?08:31:18
@wastl:matrix.binary-kitchen.deDO5RSW - SebastianThe values for current and wattage pm batteries and psus are always the maximum it can supply08:32:21
@danielp3344:matrix.orgDaniel
In reply to @rd2:matrix.org
According to the datasheet for the Victron Peak Power Battery with a capacity of 20Ah, it specifies a continuous output current of 30A from Output 2 and a nominal voltage of 12.8V. However, if the logic board consumes 12.8V at 14.7A, it is unclear if the battery will supply more current than the specified 14.7A to the logic board.! https://www.victronenergy.com/upload/documents/Datasheet-Peak-Power-Pack-EN.pdf any tip is appreciated
Ohm's law isn't true for all components/circuits but it's a great tool for understanding
10:32:10

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