1.CE,RoHs,ISO9001-2008. 2.Grade A 18650 cells 3.Weight:0.37kg 4.Dimension: ... protectionSecondary protection Advantages:1, High energy density2, High working voltage for single battery cells3, Pollution-free4, Long cycle life5, No memory ... reliable8, Factory price& High quality9, Good consistency, low self discharge10, Light weight, small sizeBattery Quality: 1. Cells: A grade cells to ...