Ni Hao, I'll arrival @12 Nov at Pudong Int' Airport, Terminal 3,by Singapore Airlines

Wanna buy Shanghai Public Transporcard,( as a souvenir card), what should I put? the value of money can be able transfer to my card? will use it for 3 days in SH, 2 days in Suzhou, 2 days in Nanjing, 1 day in Hangzhou. Don't want to much money inside in the card.