Ultra Capacity (Non-OEM) Battery (3000 Mah) Chemistry: Lithium-Ion (No memory loss) Integrated microchip for communications with camcorder and charger, prevents overcharging, & lengthens battery life Includes 3 Year Replacement Warranty New Canon BP-828 replacement Li-Ion rechargeable Intelligent battery. Rated with 3000mAh. This battery lasts 4.750 hours. This battery is made with the info chip, which shows remaining battery duration on Vixia LCD. It may also be charged with the Canon original charger and camcorder.