Time：May 19, 2023 Views：850
When selecting photovoltaic energy storage lithium batteries, we can consider determining the battery specification model from comprehensive consideration, voltage, weight, weight, environmental temperature, safety, and cycle life from the battery.
1. Communication protocol
At present, the communication protocols of photovoltaic energy storage lithium batteries are: RS485, RS232, CAN. Select the BMS module of the battery according to the communication protocol.
2. Voltage
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Here, the rated voltage and resistance of the output end should be considered to determine the voltage and material of the photovoltaic energy storage lithium battery. The rated voltage of the battery should not be lower than the rated voltage of the motor. However, the full voltage of the battery should not be higher than the voltage of the device. Therefore, sometimes the voltage of the photovoltaic energy storage lithium battery is 12 string of ternary lithium batteries, and the full voltage is 50.4V, not the commonly used 24V or 48V.
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