... Advantages:1, High energy density2, High working voltage for single battery cells3, Pollution-free4, Long cycle life5, ... consistency, low self discharge10, Light weight, small sizeBattery Quality: 1. Cells: A grade cells to make sure batteries in high and ... , anti-overcurrent, anti-overload3.Compose Type : Injection Technology to make battery more stable4.Certifications : CE,UL,FCC, RoHS,ISO90015 ...