NP-50 D-Li68 KLIC-7004 Battery with Charger for Fujifilm NP50 X10 F50 fd, for Pentax Optio S10 Q7 D Li68, for KODAK K7004 - AliExpress
Nikon F50 - Specifications
Idx System Technology Sl-f50 Sl-f70 Lithium-ion Battery 48wh Lithium Ion Battery Power Camera For Sony L-series (np-f) Batteries - Photo Studio Kits - AliExpress
Nikon F50 batteries, Nikon F50 Digital Camera Batteries