Amazon.com: Synergy Digital Camera Battery, Compatible with Canon PowerShot SX540 HS Digital Camera, (li-ion, 3.7V, 1200 mAh) Ultra High Capacity, Replacement for Canon NB-6L Battery : Electronics
Canon PowerShot SX540 HS Digital Point and Shoot Camera Bundle with Replacement Battery + 32GB Memory Card + LCD Screen Protectors and MORE - Intl Model DSLR Cameras - Newegg.com
Amazon.com: Canon PowerShot SX540 HS Digital Camera Battery Charger Mini Battery Charger Kit for Canon NB-6L Battery - Replacement for Canon CB-2LY Charger - (110/220v with Car & EU adapters) : Electronics
CANPSSX540B2YKF01 Canon PowerShot SX540 HS Digital Point and Shoot Camera + Extra Battery + Digita
NB-6L Battery & USB Charger for Canon PowerShot SX540 HS, SX600 HS, SX610 HS | eBay