UpStart Battery Canon PowerShot S120 Battery - Replacement for Canon NB-6L Digital Camera Battery (1000mAh, 3.7V, Lithium-Ion) - Walmart.com
Canon PowerShot S120 Accessories - Canon UK
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