Amazon.com : Batmax 2Pcs 1300mAh NB-6L NB 6L NB-6LH Battery + LCD USB Charger for Canon PowerShot S120, SX170 is, SX260 HS, SX280 HS, SX500 is, SX510 HS, SX520 HS, SX530 HS,
Canon PowerShot S120 Battery Replacement
Amazon.com : Synergy Digital Camera Battery, Works with Canon PowerShot S120 Digital Camera, (li-ion, 3.7V, 900 mAh) Ultra Hi-Capacity, Compatible with Canon NB-6L Battery : Electronics
Special 2 Battery Pack Kit for Canon Powershot S120, D30, SX700, SX280 — Beach Camera