Progo Brand Li-Ion Rechargeable Replacement Digital Camcorder Battery For Canon BP-808 Made with info-chip, which can show remaining time on camcorder LCD. It also can be charged by Canon original charger and camcorder. 100% Compatible with original manufacturer equipments and chargers, guaranteed! Integrated microchip prevents overcharging, overheat & provide short circuit protection. Premium Li-ion Cell. Absolutely no memory effect so that you can charge battery at anytime One year USA warranty!