The Vivitar Replacement Lithium-Ion Battery for Canon BP-820 Camcorder B118 is a high-quality battery designed for digital SLR cameras. With a capacity of 2100 mAh, this battery provides long-lasting power for your Canon camera. Made with Li-Ion chemical composition, this battery is reliable and efficient, ensuring that you can capture all your memorable moments without worrying about running out of battery. Perfect for professional photographers and enthusiasts alike, this Vivitar battery is a must-have accessory for your Canon camera.