BM Premium NB-7L Battery For Canon PowerShot G10, G11, G12, SX30 IS Digital Camera Li-ion Rechargeable Battery for Canon PowerShot G10 G11 G12 SX30 IS Digital Camera Energy Storage Capacity: 1300 mAh Voltage: 7.4 volts 100% Memory Free Super Long Time Recording This product has a 1 year Limited warranty.