A prepaid card loaded with credit in advance (short for "prepaid card"); used for payments at stores, transport, etc. Colloquial/abbreviated term.
プリカに5000円チャージして、週末の買い物に使った。
I loaded 5,000 yen onto my prepaid card and used it for weekend shopping.
このプリカはコンビニでしか使えないタイプだ。
This prepaid card is the type that can only be used at convenience stores.
プリカの残高をアプリで確認したら、あと200円しかなかった。
When I checked the prepaid card balance in the app, there was only 200 yen left.