** Shares of Boston Scientific BSX.N down 1.5% at $70.22 in afternoon trade
** BSX was aware for years that batteries in some of its pacemakers were failing unexpectedly, problems that have since been linked to at least seven deaths and more than 800 injuries, New York Times reports, citing internal company records and government inspection documents
** The report says that factory tests had flagged unusually high battery failure rates well before the company issued recalls
** Boston Scientific did not immediately respond to Reuters' request for comment
** Up to last close, stock has been down 26.3% YTD
(Reporting by Siddhi Mahatole)
((siddhi.mahatole@thomsonreuters.com))