Cylinder lithium ion battery 2s1p 2200mah 7.4v li-ion icr18650 battery pack

7.4V li-ion battery pack 7.4V li-ion battery pack Cylinder lithium ion battery 2s1p 2200mah  icr18650 battery pack Product Features: 1)High energy density 2)High working voltage for single battery cells 3)Pollution-free 4)Long cycle life 5)No memory effect 6)Capacity, resistance, Voltage, platform time consistency is good 7)With short-circuit production function, safe and reliable 8)Factory price& High quality…