I have a BBS02 750W with the upgraded FET's.
I ordered the programming cable from Lunacycle to see what the settings were on my drive. I had bought the motor off of ebay (kit with display and battery -...
So a year ago I bought a BBS02 motor with a Samsung 48V 12Ah battery.
http://www.ebay.com/itm/Bafang-BBS02-750W-Mid-Drive-Motor-Ebike-Kit-2016-Slim-48V-12Ah-Samsung-Battery/222021063577
I love it, it has been great for me - I weigh 205lbs and ride this thing a lot - I have put over 700 miles...