Joined
·
1,473 Posts
dain254: whose "cheap top balance BMS" are you using?
Personally I'd want a fuse on each of those BMS lead jumpers between cells to protect the conductors. But, given the small current flows which I would expect between pairs of paralleled cells arranged like this most of the time, it looks like it should be OK. You might get in trouble if you ever start scraping the bottom of your SOC though- one cell could easily go 0.5 volts below its neighbour and the current flow between them could become pretty high (hence the desire for the fuses).
It's a darned sight easier than what Yabert did with his- he TIG welded bare copper wire to the terminals of the cells between groups of Chevy Volt pack cells to put them in true parallel.
Personally I'd want a fuse on each of those BMS lead jumpers between cells to protect the conductors. But, given the small current flows which I would expect between pairs of paralleled cells arranged like this most of the time, it looks like it should be OK. You might get in trouble if you ever start scraping the bottom of your SOC though- one cell could easily go 0.5 volts below its neighbour and the current flow between them could become pretty high (hence the desire for the fuses).
It's a darned sight easier than what Yabert did with his- he TIG welded bare copper wire to the terminals of the cells between groups of Chevy Volt pack cells to put them in true parallel.
