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Battery specification
Es400a scooter battery is composed of Panasonic 18650-3200mah-3c cell, which has two
different specifications: 13S3P(9.6Ah) and 13S5P(16Ah), The maximum discharge current is 20A,
the maximum charging current is 5a, and the working temperature is - 20 ℃ - 60 ℃.
BMS
OKAI scooter battery is installed with BMS system.
⚫ The lithium battery BMS can monitor the power, manage the charge-discharge and protect
the safety of the battery pack. It also provides the electrical interface and CAN interface.
Lithium battery BMS is the core of the whole battery pack, which can be divided into
monitoring function, charge and discharge management function, protection function and
communication function.
⚫ Monitoring function: Monitor the voltage, current and temperature of the battery pack in
real-time, and update battery power accordingly. One of the core functions of lithium
battery BMS is to accurately display the remaining capacity of the battery.
⚫ Charge and discharge management function: the charging and discharging operation of
the battery is managed by controlling the charging and discharging system in the control
circuit.
⚫ Protection function: Based on the voltage, current and temperature provided by the
monitoring function, the battery pack is protected. It includes over-voltage protection,
under voltage protection, over-current protection, short-circuit protection, over
temperature protection, etc.
⚫ Communication function: as a member of CAN communication, BMS can directly report
the temperature, current, voltage and other data to the IOT, and send the data to the
server through the IOT.
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