48V 12AH 6-LED Display Series Charger
Input Voltage: 180-260V
Output Voltage: 54-59V
Output Current: 2A

Functions:

Three-stage charging process, including constant current, constant voltage, and float charging modes, which can ensure the battery is fully charged and prevent battery swelling.

Constant Current Charging Stage: In this stage, the charging current remains constant, the charged electricity increases rapidly, and the voltage rises. The main purpose of this stage is to quickly charge the battery to a certain level.

Constant Voltage Charging Stage: When the battery voltage reaches a certain level, the charger will switch to constant voltage mode. In this stage, the charging voltage remains constant, while the charging current gradually decreases. This is to ensure that the battery is not overcharged while continuing to provide sufficient electricity to the battery.

Float Charging Stage: When the battery is fully charged and the current drops below the float conversion current, the charger will reduce the charging voltage to the float voltage to maintain the battery's fully charged state. The main purpose of the float stage is to prevent battery self-discharge and keep the battery in the best state.

Protection Functions:

Overcurrent Protection: High-power chargers are usually equipped with overcurrent protection circuits inside. Once the current exceeds the rated value, it will automatically cut off the power output to prevent damage to the equipment and battery caused by overcurrent. Overcurrent protection is usually achieved by monitoring the current or using a current sensor.

Overvoltage Protection: The overvoltage protection circuit of the charger can prevent the output voltage of the charger from exceeding the set value, which could cause damage to the equipment and battery during charging. When the charging voltage exceeds the set value, the overvoltage protection circuit will automatically cut off the power output to protect the equipment from the impact of overvoltage.

Overtemperature Protection: High-power chargers usually install temperature sensors inside to detect the temperature of the charger itself. Once the temperature exceeds the safe range, the charger will automatically stop charging and send an alarm signal to avoid safety issues such as fire and battery short circuit caused by overheating.

Short Circuit Protection: Short circuit protection is a very important safety protection function in high-power chargers. When the output of the charger is short-circuited, the short circuit protection circuit will automatically cut off the power output to avoid the risk of fire and equipment damage caused by excessive current.

Reverse Connection Protection: When the output and negative pole of the charger are connected reversely to the battery, the charger will also automatically shut off the output. It will automatically resume charging after the polarity is correctly connected.

Undervoltage Protection: Undervoltage protection is usually used to prevent reverse charging of the battery. When the battery voltage is lower than the set value or the connection with the charger is incorrect, the charger will automatically stop charging to prevent reverse charging of the battery and avoid battery damage.

Temperature Control Protection: High-power chargers are usually equipped with temperature control protection functions, which use temperature sensing elements to monitor the temperature of the equipment or battery. Once the temperature exceeds the safe range, the charger will automatically stop charging to avoid the risk of fire or equipment damage caused by temperature rise.

Overload Protection: Overload protection is used to prevent the output power of the charger from exceeding the rated value and protect the charger from excessive load. When the load of the charger is too large, the overload protection circuit will automatically cut off the power output to protect the safety of the charger and equipment.

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