Electronics > Projects, Designs, and Technical Stuff
Lion Battery Packs, BMS's Chargers...
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mrpackethead:
Hello Folks, who know stuff i dont.
I'm got a need to build 2 Lithium Ion Battery Packs using 18650 battery packs. One will be 10s, 5p, ( 36V nominal ). I want to use this to power up my Makita Lawnmower, which flattens the LXT batterys quite quickly and i need ~10 to get through my lawn. I'm building it with a JK BMS ( BD4a17S4P ), that is appropriately rated for the job. I have a very low capacity charger, but it will take 3 days to charge it up!
The other will be a 12s, 4p, ( 44V nominal ) which i want to use for a heavy lift ( well, 6kg ) drone. Have not yet started this, and dont' have a BMS for it.
What i'm wondering about is a charger.. I have several Meanwell RSP-48-2400 PowerSupplies, which can be adjusted up to around 56V, and down quite a long way..
Does anyone know of a ready made DC input charge controller that might be suitable?
p.larner:
look for ebike chargers on aliexpress,i just got a 54.6v 3a unit for 12 pounds delivered.
XxMandragoraxX:
Hellow mrpackethead.
I saw you were making battery packs for applications that need a lot of power. You can’t use standard batteries because you need a high C-rate for those, especially for the Makita. I know the post is old, but I’m also interested in making efficient BMS, like u. Did you manage to get any info in the end?
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