Original Canon NB-11L battery for IXUS 125,IXUS 132, IXUS 140, IXUS 245 CB-2LFE | eBay
NB-11L 680mAh Camera Battery | Jupio
Amazon.com: Synergy Digital Camera Battery, Compatible with Canon PowerShot A4000 is Digital Camera, (li-ion, 3.7V, 900 mAh) Ultra High Capacity, Replacement for Canon NB-11L Battery : Electronics