A Chimpy Powerbank at a Chimpy Station costs the same as a Chimpy Powerbank at any other point of sale. Unless you return the Chimpy Powerbank to a Chimpy Station within 30 minutes, then a Chimpy Powerbank only costs CHF 2.- francs or EUR 1.5.
In Switzerland, a charge costs CHF 4.- and the deposit is CHF 15.-. You pay CHF 19.- when you rent a Chimpy and get CHF 15.- back when you return it within a week. From day 8 on, CHF 2.- are deducted for each additional week (up to a maximum of CHF 15.-).
In Germany and France, a charge costs EUR 3 and the deposit is EUR 15. You pay EUR 18 when you rent and get EUR 15 back when you return it within a week. From day 8 on, EUR 2 are deducted per additional week (up to a maximum of EUR 12).