The BP-NB4 high capacity rechargeable lithium-ion battery is a replacement for the Canon NB-4L (9763A001). 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.
Compatible with Canon SD-30/40/200/300/400/430/450/600/630 & Similiar models using the Canon NB-4L battery.