Pcmicrostore- NB-4L Lithium Li-ion Compatible Digital Camera Battery for Canon PowerShot SD200 SD300 SD400 SD430 SD450 SD600 SD630 SD30 SD30 Digital ELPH and IXUS 30 40 50 60 65 and IXY 45 50 55 PC MicroStore 1 Year Unconditional Replacement Warranty If it breaks, We'll replace it , No questions asked - offered though PC MicroStore only!! NB-4L Canon Compatible Replacement Battery Chemistry: Lithium-Ion, Output Volts: 3.7v, AmpHours: 780 mAh Please check our full compatiblity list in the Product Descriptions below before purchasing