PENTAX D-LI109互換バッテリー「JTT My Battery Plus」を買いました(n00bs)
Amazon.co.jp: SIXOCTAVE 2 Pack Compatible Pentax D-LI109 Battery with Grade A Cells for K-r, K-30, K-50, K-70, K-S1, K-S2, KP/KF Cameras : Electronics
Promaster Battery for use with Pentax D-LI109 29144086701 | eBay
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