Amazon.com : Wasabi Power Battery (2-Pack) and Charger for Pentax D-LI68, D-LI122 and Pentax Q, Q7, Q10, Q-S1, Optio A36, Optio S10, Optio S12, Optio VS20 : Digital Camera Batteries : Electronics
Amazon.com : Pentax Optio S1 Digital Camera Battery Charger (110/220v with Car & EU adapters) - Replacement Charger for Nikon EN-EL11, & Pentax DLI-78 Battery : Camcorder Battery Chargers : Electronics
Amazon.com : Micro USB Battery Charger for Pentax Optio S, S4, S4i, S5i, S5n, S5z, S6, S7, SV, SVi Digital Camera : Electronics