12 Jul 2023 |
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20 Jul 2023 |
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rd2 | what do I need to make a portable battery with output 12.6 V 14.7 A. | 15:52:42 |
Daniel | 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 |
Daniel | In that case you probably need a 4S lithium battery and a regulator | 16:30:21 |
Daniel | But 15A is going to kill most batteries fast | 16:30:41 |
rd2 | what do I need to make sure that the battery pack is always outpuiting 12.6v | 16:51:48 |
Daniel | Well batteries don't have an inherently stable output voltage | 17:54:17 |
Daniel | So you'll need a regulator of some kind | 17:54:31 |
rd2 | is this the job of the bms? | 17:54:53 |
Daniel | It could be | 18:24:43 |
rd2 | why batteries do not come built in with buck boost converters? | 20:02:45 |
rd2 | * Why don't batteries come with built-in buck boost converters? | 20:03:10 |
Daniel | Probably for the same reason you shouldn't try to run a mac off one :P | 20:04:32 |
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28 Jul 2023 |
rd2 | 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 | 02:19:32 |
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DO5RSW - Sebastian | Isn't how much current flows specified by the party that comsimes it? | 08:31:18 |
DO5RSW - Sebastian | The values for current and wattage pm batteries and psus are always the maximum it can supply | 08:32:21 |
Daniel | 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 |