justaperson76
10 mW
- Joined
- Apr 17, 2022
- Messages
- 31
Hello, I am building (almost built) a battery pack (14s4p). I am using magnets to hold the nickel strips. To cut a long story short, how much of that "vent" can be covered up? I've seen battery packs have tape wrapped all around the battery and/or pack which looks like it has very little air flow.
On my pack I've got the usual 18650 battery spacer/holders that the batteries sit in, 8mm nickel strips (doubled up actually, 0.3mm thick), and 12mm (x 3mm) magnets to hold the connections in place. The nickel strips look like they cover the whole vent and then the magnet on top doesn't look like there is much air that can get in or out of there. The strips are flat obviously so there's still a bit of air that can get in and out but yeah I can't find any info about what' acceptable in how much to cover and what not.
They will then be sandwiched together. Again now really sure how much pressure I can apply to this sandwich. The batteries don't expand in any way do they? Am hoping to have it tight enough so as to not cause any connection issues.
I know there are people against this type of build. I did go down the spot weld route but decided against it in the end. I will take precautions to make sure connections/magnets are in place. This part I'm not worried about.
On my pack I've got the usual 18650 battery spacer/holders that the batteries sit in, 8mm nickel strips (doubled up actually, 0.3mm thick), and 12mm (x 3mm) magnets to hold the connections in place. The nickel strips look like they cover the whole vent and then the magnet on top doesn't look like there is much air that can get in or out of there. The strips are flat obviously so there's still a bit of air that can get in and out but yeah I can't find any info about what' acceptable in how much to cover and what not.
They will then be sandwiched together. Again now really sure how much pressure I can apply to this sandwich. The batteries don't expand in any way do they? Am hoping to have it tight enough so as to not cause any connection issues.
I know there are people against this type of build. I did go down the spot weld route but decided against it in the end. I will take precautions to make sure connections/magnets are in place. This part I'm not worried about.