1. Battery capacity

　　Battery capacity refers to the amount of charge that a battery can store, usually measured in ampere hours (Ah). The capacity of marine power batteries determines their power supply capacity. Generally speaking, the larger the capacity, the longer the power supply time of the battery. When selecting marine power batteries, it is necessary to determine the appropriate capacity based on the energy consumption requirements and sailing time of the vessel.

　　2. NominalVoltage

　　Rated voltage refers to the nominal voltage of a battery, usually measured in volts (V). The rated voltage of marine power batteries determines the stability and applicability of their power supply voltage. In the ship's power system, the rated voltage of the battery needs to match the voltage requirements of other equipment to ensure normal operation.

　　3. ChargeRate

　　Charging rate refers to the maximum charging current that a battery can accept, usually expressed as a C value. The C value is a multiple of the battery capacity, for example, C/2 indicates that the charging current is half of the capacity. The charging rate of marine power batteries determines their charging efficiency and charging time. Generally speaking, the higher the charging rate, the shorter the charging time of the battery.

　　4. Discharge Rate

　　The discharge rate refers to the maximum discharge current that a battery can provide, usually expressed as a C value. The discharge rate of marine power batteries determines their power supply capacity and usage time. Generally speaking, the higher the discharge rate, the stronger the power supply capacity of the battery, which can support the operation of higher power ship equipment.

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