ClearMax NB9L NB-9L Lithium Ion Replacement Batteries (2-Pack) for Canon Powershot SD4500IS / SD4500, Elph 510 HS, Elph 520 HS, Elph 530 hs Digital Camera + LCD Screen Protectors Never run out of battery power when you're about to capture the perfect moment with this Canon NB-9L compatible li-ion battery. Extra power for your digital video camera / camcorder. High capacity / rechargeable li-ion battery with premium cell. Built-In Safety Fuse - Prevents overcharging & lengthens battery life No Memory Effect - Lets you recharge partially drained batteries