Included in Box: The Koah 1250 mAh Rechargeable Lithium-Ion Battery Kit for Canon NB-13L with Charger includes a replacement battery for the original Canon NB-13L battery. It also features a USB plug-in portable charger in the box. Durable Construction: Premium Japanese cells ensure longer battery life with no effect on memory. The included battery in the Koah 1250 mAh Rechargeable Lithium-Ion Battery Kit for Canon NB-13L with Charger is a durable spare or replacement for the original Canon NB-13L camera battery. Voltage and Charge: The battery in the Koah 1250 mAh Rechargeable Lithium-Ion Battery Kit is rated at 3.6V and 1250 mAh for a longer run time and fast charging. This powerful batteries will last longer and allow you more time on your photography shoot.