You can top up prepaid travel passes and e-money on your Pilsen Card at:
Pilsen Card e-shop
After topping up the card via the e-shop, you must validate the transaction (store your order on your Pilsen Card memory chip). See the instructions for more information about topping up your card via the e-shop.
Select Česká Spořitelna ATMs
See the Česká Spořitelna website for a list of ATMs – Search for your city or town and then scroll through the results to find ATMs where you can top up transportation cards (tick "More features”/“Transport card credit" on the top bar to the right)