Ultra High Capacity (Non-OEM) Battery (8850 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 AG-VBR89, AG-VBR89G replacement Li-Ion rechargeable Intelligent battery. Rated with 8850mAh. This battery lasts 8.75 hours. This battery is made with the info chip, which shows remaining battery duration on Camera's LCD. It may also be charged with the original charger and camcorder.