2000mAh D Li109 DLi109 D Li109 Battery for Pentax K R K 2 KR K2 KR Black Red White K30 K50 K 30 K 50 K500 K 500|Digital Batteries| - AliExpress
Original Replacement Battery D-li109 For Pentax K30 K50 K70 K500 Kr Ks2 Ks1 K-30 K-50 K-70 K-500 K-r K-s2 K-s1 1050mah - Mobile Phone Batteries - AliExpress
Original Replacement Battery D LI109 For Pentax K30 K50 K70 K500 KR KS2 KS1 K 30 K 50 K 70 K 500 K R K S2 K S1 1050mAh|Mobile Phone Batteries| - AliExpress
Pentax K-50 DSLR Review | Shutterbug
Original PENTAX D-BC109 Charger DBC109 For K50 K500 K-r K30 D-LI109 Battery | eBay
DSTE D-LI109 2100mAh Battery or Charger for Pentax KR K30 D-LI109 K-50 | Rock N' Shop