Amazon.com: Pentax K-50 Digital Camera Battery Charger (110/220v with Car & EU adapters) - Replacement Charger for Pentax Dli-109 Battery - : Electronics
LVSUN Universal D-Li109 DLi109 Camera Battery Charger Car Adapter USB Port For Pentax K-r Kr K-1S K1S K-S1 KS1 K-30 K30 K-50 K50 - Newegg.com
DLi109 D-LI109 D-BC109 Battery USB Charger for Pentax K-50 K50 K-30 K30 K-S1 KS1 K-S2 KS2 and K-r Kr DSLR Cameras - AliExpress
PENTAX APS-C Accessory | Battery Charger Kit K-BC109E – PENTAX - Official Store
Amazon.com : BM Premium 2 Pack of D-LI109 Batteries and USB Dual Battery Charger for Pentax KP, K-R, K-S1, K-S2, K-30, K-50, K-70, K-500 Digital SLR Camera : Electronics