2 Pack of High Capacity Batteries For Canon EOS 5D, 10D, 20D, 20Da, 30D, 40D, 50D, D30, D40, And 300D/Digital Rebel SLR Cameras
Features lithium technology, & Integrated microchips that prevents overcharging & lengthens battery life which will ensure maximum battery life and maximum power. It also features no memory effect that lets you recharge partially drained batteries without reducing performance.Please note-These batteries are NOT compatible with the "Canon 5D Mark II".