... 3.Weight:0.37kg 4.Dimension:38mm*38mm*132mm 5.One year warranty after ship 14.8V 4400mAh lithium ion battery Rechargeable battery ... protectionSecondary protection Advantages:1, High energy density2, High working voltage for single battery cells3, Pollution-free4, Long cycle ... is good7, With short-circuit production function, safe and reliable8, Factory price& High quality9, Good consistency, ...