QIAOJINLIN 2-Pack Backup Battery for Canon NB-9L PowerShot ELPH 510 520 530 HS PowerShot N N2 PowerShot SD4500 IS IXUS 500 510 1000 1100 HS IXY 1 3 50S 51S Digital Camera 1. Battery Type: Rechargeable Li-ion 3.7V 2. Output Voltage: DC4.2V (max); DC3.6V (mean) 3. Can show battery level in camera's LCD screen as original version. 4. 24-month warranty,tested under strict quality control standards 5. Package includes: 2x Brand New Battery ; 1x User Manual