When the mini BMS company stop selling they're Mini BMXs I started
exploring some of the ones sold on eBay for bicycles packs. I came across
one that I was pretty impressed with. It does a small amount of balancing
but can show all the battery voltages on your cell phone with download of
the app. The BMS board is not designed to run a relay but it will control a
small amount of amperage. I use a small power supply and a relay set up 2
run a contactor for the charger and a buzzer when in drive mode. I also
found that if you tap on one of the windows showing the individual cell
voltage that it will data log the cell voltage if left hooks to the
Bluetooth connection. You can adjust all parameters with a computer with
Windows 8 but not Windows 10. I've spent a lot of time trying to figure out
how it works and there is not a lot of information provided by the
manufacturer. There's more information on our website
www.greenshedconversions.com Steve Clunn Greensconventions
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