ClearMax 2 Pack of High Capacity Batteries For Canon G1X, Powershot G15, PowerShot SX40 HS, Powershot SX50 HS (Canon NB-10L Replacement) This Kit Includes 2 High Capacity Lithium-ion Batteries Rechargeable Li-Ion Batteries with Premium Battery Cells Integrated Microchip Prevents Overcharging & Lengthens Battery Life The Canon Info-Lithium Rechargeable Battery Pack is for Canon Digital Cameras such as: Canon G1X, Powershot G15, PowerShot SX40 HS, Powershot SX50 HS