Ersatzakku NP-20 Casio Akku accu Passend für Exilim Card EX-S880 EX-S880BK EX-S880RD EX-M1 /Exilim EX-M2 EX-M20 EX-M20U EX-S1 EX-S100 EX-S100WE EX-S1PM EX-S2