Amazon.com : Wasabi Power Battery (2-Pack) and Charger for Fujifilm NP-95 and Fuji FinePix REAL 3D W1, X100, X100S, X-S1 : Digital Camera Batteries : Electronics
Fujifilm X100S battery,high-grade replacement Fujifilm X100S battery from Malaysia(5.0Wh,1 cells)
Maximalpower for Fujifilm NP-95 Battery, Fits Fujifilm NP-95 and Fuji FinePix REAL 3D W1, X100, X100S, X-S1 (2 Batteries) - Walmart.com
Amazon.com : STK's Fuji NP-95 Battery - 2000 mAH for Fujifilm Finepix X100S, X100, F30, X-S1, F31fd, Real 3D W1, NP-95, BC-65 : Digital Camera Batteries : Electronics
Fuji X100S camera review
Fujifilm X100S review: A great camera improved, but still a bit quirky - CNET
DuraPro 2200mAh NP-95 NP 95 NP95 Battery+LCD USB Charger For FUJIFILM NP-95 F30 F31 F30fd F31fd 3D W1 X100T X100S X100 X-S1 3DW1 - AliExpress