The Duracell DRC5L Lithium-ion Rechargeable Camera Battery replaces the Canon NB-5L battery, offering ongoing power for Canon photographers. Endless shooting The all-powerful 3.7 V, 820 mAh battery serves as an optimum replacement for a lost Canon battery, or as a spare during extended shooting sessions. With an energy-efficient, lithium-ion foundation, the DRC5L promises long lasting power on an extended range of compatible Canon cameras. Complete with a three year warranty, the Duracell DRC5L Lithium-ion Rechargeable Camera Battery is a reliable and effective power source for your Canon device.