The Powerextra Digital Battery Charger is a high-quality charger designed specifically for Canon Powershot cameras. It is compatible with various Canon models such as Powershot SD3500, SD4000, SX700, and SX710 HS. The charger has a capacity of 1300mAh and is designed to charge Li-Ion batteries at a voltage of 3.7V. It can be powered by AC 100V-240V or DC 12V-24V (car charger) and includes a charger for convenience. The Powerextra charger is a reliable and efficient option for charging your Canon camera batteries quickly and effectively.