There are 2 equivalent BP-511 BP-511A BP-512 batteries & 2 chargers to choose from

Outline Model Type RunTime Capacity Price
Canon BP-511 BP-511A BP-512 Camcorder Battery BLI-193
(BP-511
BP-512)		 Li-ion 2hrs 7.2v
1300mAh		 $31.71 Cdn
($28 US)
Canon BP-511A Digital Camera Battery UL-BP511
(BP-511A
extended capacity)		 Li-ion 2.5hrs 1600mAh
7.2v
(new technology lasts 40% longer than the original)		 $36.77 Cdn
($33.34 US)

Battery Charger

Outline Model Description Price
Samsung SC-D351,SC-D352,SC-D353,SC-D354,SC-D355,SC-D557,SB-LS80,SC-D6550,SB-LSM80 Camcorder Battery Charger VBC-193P

Works in the car or at home - AC and 12V DC power adapters included.
120 volt
(Specify in comments if 100/220 volt is required+$15Cdn)

 $41.17Cdn
($36.80US)
Canon BP-511 Camcorder Battery Charger Lenmar MSC1LX
 Fast 30 minute Li-ion battery charger.

Charges most Canon, Panasonic, JVC, RCA, Hitachi  7.2/7.4v Li-ion batteries. Includes DC car cord and AC adapter. Works overseas without power adapter.

 $73.51 Cdn
($65.99 US)