D-LI50 DLI50 NP-400 Camera Battery For Pentax K10D K20D For SAMSUNG GX-10 GX-20 SIGMA SD14 For MINOLTA a7 a5 - AliExpress
Konica Minolta Maxxum 5D Battery and Charger - Replacement for Konica Minolta NP-400 Digital Camera Batteries and Chargers (1600mAh, 7.4V, Lithium-Ion) - Walmart.com
Amazon.com : HQRP 3V Battery Compatible with Konica Minolta Maxxum 70/50 / 5/4 / 3, Dynax 60/5 / 40/4 / 3L / 30 Digital Camera : Electronics
Camera Battery (3 Units) Replacement for Minolta NP-400 - 1600mAh, 7.4V, Li-ion | 888302265