The high-performance BP-511 with High Capacity, rechargable Lithium-Ion battery.When used with camcorders, the BP-511 gives you a maximum recording time of 2 1/2 hours using the viewfinder, or 2 hours using the LCD screen.
The BP-511A Battery Pack from Canon provides continuous, reliable power to your digital camera or camcorder. It is meant for use with Canon EOS Rebel
Technology: lithium ion
Warranty: 12 Months with option of 3 years warranty