is this alternator problem

[scotty493]

i recently bought a used alternator from ebay had it fitted and the car has run fine for 2 weeks got in it this morning it started first time went 3 mile down the road the abs light and the esp symbol came on the dash then my stereo started turning off then on again pulled into work turned it off then went to start it and the battery is flat and the battery light ,service light,stop light and the others above are all on its a brand new battery thats on it too....?

any info much appreciated

 

[scotty493]

^^^^^^^^^

 

[OEM Battery Nonce]

If its not charging your battery I'd say its an alternator problem then yeah