Feb 8 (Reuters) - Total Sa TOTF.PA :
* TOTAL CEO SAYS SAFT BATTERY UNIT MOVING INTO ENERGY STORAGE AND MOBILITY.
* SAYS NO REGRETS IN INVESTING $1 BILLION IN THE BUSINESS GIVEN EVOLUTION OF BATTERY SECTOR.
* TOTAL BOUGHT THE HIGH-END INDUSTRIAL BATTERY MAKER IN 2016 FOR $1 BILLION.