Pop this Canon style NB-13L Lithium-Ion Battery Pack into your PowerShot G7 X Digital Camera and start shooting. The battery features 3.6V of output power, a 1250mAh capacity, and a 4.5Wh rating. It is supplied with the camera and offered here as a spare or replacement part.
 
Compatible Cameras
PowerShot G1 X Mark III
PowerShot G5 X
PowerShot G7 X 
PowerShot G7 X Mark II Video Creator Camera Kit
PowerShot G9 X
PowerShot G9 X Mark II 
PowerShot SX620
PowerShot SX720
PowerShot SX730