Amazon.com: Replacement for Canon PowerShot SX500 is Battery - Compatible with Canon NB-6L Digital Camera Battery (1000mAh 3.7V Lithium-Ion) : Electronics
Battpit: Digital Camera Battery Replacement for Canon PowerShot SX500 IS (1000 mAh) NB-6L 3.7 Volt Li-ion Digital Camera Battery - Walmart.com
Amazon.com : Batmax 2 Pack NB-6L NB-6LH Replacement Batteries for Canon Powershot SX500 is, SX710 HS,SX520 HS,SX530 HS,SX510 HS,S120,SX700 HS,SX610 HS,SX600 HS, D30, and S95 Cameras : Electronics
Amazon.com: Replacement for Canon PowerShot SX500 is Battery - Compatible with Canon NB-6L Digital Camera Battery (1000mAh 3.7V Lithium-Ion) : Electronics