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        • Name: 550mAX4-Slot Quick Charger
        • Model: WQC-790

        Function and Characteristic
        General power supply AC90-240V
        Switching power supply mode
        Charging control mode—Voltage detection
        Independent charging and monitoring for single battery
        Independent indicator for battery charging state
        Trickle charge
        Battery overvoltage protection
        Battery open-circuit protection
        Battery short-circuit current limit protection

        Charging Indicator
        Power Indicator—Red LED is normally on.
        Charging indicator for four batteries is indicated by LEDs singly.
        Charging Indicator LED is off when batteries are unavailable.
        Charging—Charging indicator LED is normally on.
        After Charging—Charging Indicator LED is off.

        Charging Current
        Quick Charging Current –4*250mA
        Trickle Charging Current—4*50mA

        Charge Indicator

        Charging State

        Red LED

        Green LED

        No battery

        Off

        Off

        Bad battery

        On

        Off

        Precharge

        Normally on

        Off

        Quick charge

        Normally on

        Off

        After charging

        Off

        Normally on


        Average Charge Current

        Charging Mode

        AA Battery

        AAA Battery

        1pcs

        2pcs

        3pcs

        4pcs

        1pcs

        2pcs

        Quick Charge

        900mA

        900mA

        600mA

        450mA

        500mA

        500mA

        Trickle Charge

        15mA

        15mA

        15mA

        15mA

        15mA

        15mA

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