The Duracell DRC511 Lithium-ion Rechargeable Camera Battery is compatible with Canon EOS cameras, an ideal back-up or a perfect replacement for a Canon BP-511 battery. Reliable camera battery The high quality lithium-ion Duracell 7.4 Volt 1400 m Ah digital camera battery provides the power you need to shoot movies or photos. As an additional battery it means that you can embark on long-lasting shooting sessions, so you'll never miss that moment due to a lack of power. Complete with a 3-year warranty, the Duracell DRC511 Lithium-ion Rechargeable Camera Battery offers reliability & performance.