Ultra High Capacity (Non-OEM) Battery (3000 Mah) - Longer Lasting And Applicable On Canon VIXIA's Using Canon BP-718 Battery 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 BP-727 Canon replacement Li-Ion rechargeable Intelligent battery. Rated with 3000mAh. This battery lasts 4 hours. This battery is made with the info chip, which shows remaining battery duration on Canon LCD. It may also be charged with the Canon original charger and camcorder.