The NB-4L lithium-Ion battery pack is the perfect power source for select Canon cameras. The battery pack is rechargeable, allowing for multiple usage. The battery can hold its charge well and does not suffer from memory effect. Moreover, Lithium- Ion batteries offer the best energy to weight ratios of any battery technologies, ensuring that the batteries remain small and lightweight. Battery for Canon Elph 100, Elph 300, Elph 310, PowerShot SD400, SD430, SD450, SD630, SD750, SD780, SD960, SD1000, SD1100, SD1400 is, TX1 Cameras.