Sony 1.55 V watch battery, silveroxide (SR, SR.SW or SR.W)
Original Replacement Sony Battery For Sony W380c W508 W910 R300 W20 W908 W910i T707 Bst-39 920mah Authentic Phone Battery - Mobile Phone Batteries - AliExpress
2 Pcs /lot Original Sony Bst-38 Battery For Sony Ericsson W980 Z770i C510 C902 C905 K770 930mah - Mobile Phone Batteries - AliExpress
Swit Lb-su90c Sony Bp-u Series Compatible Battery For Pxw-z280, X280, Fs5, Fs7, Fx9 Etc, Has D-tap Socket & Usb-c - Battery Packs - AliExpress
Sony WH-1000xM3 Battery 1588-0911, SM-03, SP 624038