http://www.mpoweruk.com/bms.htm
http://liionbms.com/php/bms_options.php
http://www.reapsystems.co.uk/_products/products_BMS.html
http://visforvoltage.org/
http://www.dmcinfo.com/Case-Studies/View/ProjectID/200/Battery-Management-System-BMS-Validation-Test-Stand.aspx