Amazon.com : BM Premium 2 Pack of NB-6L, NB-6LH Batteries for Canon PowerShot S120, SX170 IS, SX260, SX280, SX500 IS, SX510, SX520, SX530, SX540, SX600, SX610, SX700 HS, SX710 HS, ELPH 500
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