This item is a high-quality power supply. It is ideally suited as a replacement or secondary device and provides power to your Canon PowerShot G12 just like your conventional power supply, enabling reliable battery charging. As one of the largest suppliers of batteries, power supplies, and chargers, we have a very extensive inventory and therefore a high availability for delivery. Our customers greatly appreciate this high availability, combined with top-notch service. Note: Unless we explicitly state that this is an original product, we supply a compatible product. This means it is in no way an original product from the manufacturer and is therefore not produced or recommended by them. All brand and product names belong to their respective owners and are used solely for compatibility description.