TechFuel Battery for Canon PowerShot SD1200 IS Camera Replaces NB-6L Battery TechFuel&reg; rechargeable battery packs feature the latest battery technology including advanced circuitry, voltage regulator Battery Storage Capacity: 1000 mAh / 3.7 Wh, Voltage: 3.7 volts, Chemistry: Li-ion This TechFuel&reg; battery has a one-year limited warranty and a thirty-day money back guarantee when purchased from Batteryheads Manufacturing facility is ISO 9001 Certified and RoHS compliant to ensure quality and safety.