The high-capacity Canon NB-4 L rechargeable lithium-ion battery works with select Canon Ix us 110/100/80/75/70/65 digital cameras. It features lithium technology, which ensures maximum battery life and maximum power. It also features no memory effect that lets you recharge partially drained batteries without reducing performance. 

The NB-4 L is a rechargeable Lithium-ion battery pack made to withstand approximately 400 recharges. When shooting with the LCD monitor off, you can expect approximately 350 images when fully charged, or 140 images when shooting with the LCD monitor on under normal environmental and shooting conditions. Similarly, the battery offers about 180 minutes of image playback time.