2 Pack of High Capacity Batteries For Canon EOS 5D, 10D, 20D, 20Da, 30D, 40D, 50D, D30, D40, And 300D/Digital Rebel SLR Cameras

This Kit Includes 2 High Capacity Lithium-ion BatteriesRechargeable Li-Ion Batteries with Premium Battery CellsIntegrated Microchip Prevents Overcharging & Lengthens Battery LifeThe Canon Info-Lithium Rechargeable Battery Pack is for Canon Digital Cameras such as:EOS 5D, 10D, 20D, 20Da, 30D, 40D, 50D, D30, D40, And 300D/Digital Rebel
Product DescriptionFeatures lithium technology, & Integrated microchips that prevents overcharging & lengthens battery life which will ensure maximum battery

Source: Digital Camera and Video Store...