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Model number: Dorado 21700 440L 48V 20AHMax cell space: 21700 52 pcsConfigration: 13S4PMaterial: Charging port: DC2.1 port, 3Pin high current portDischarging port: 2Pin, 5Pin and 6Pin optionalCapacity indicator: 4 lever LED capacity indicatorDischarging current: Max 30ACharging current: Max 5A