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Charge and discharge voltage requirements for lithium iron phosphate batteries

by:dcfpower     2021-03-18

The setting value of the voltage point of each lithium iron phosphate battery (12V40AH)

The overdischarge voltage point of the lithium iron phosphate battery is 8.0V (according to the overdischarge point of the protection board): in the state of discharging, if The battery voltage drops to 8.oV, the output of the protection board is turned off, and the battery enters an over-discharge state;

The over-discharge recovery voltage point of the lithium iron phosphate battery is 9.2V (according to the over-discharge recovery point of the protection board). In the over-discharge state, when the battery automatically rises to 9.2V and disconnects the load, the battery can resume power supply to the load;

Charge lithium iron phosphate battery: 10A standard charge< /p>

The voltage point of 25% (not capacity) in the charging state is 13.41V: In the charging state, the battery voltage reaches 13.41V, and the battery capacity exceeds 25%;

50% in the charging state The voltage point of power is 13.51V: in the charging state, the battery voltage reaches 13.51V, and the battery capacity exceeds 50%;

The voltage point of 75% power in the charging state is 13.63V: in the charging state, the battery voltage reaches 13.63 V, the battery capacity exceeds 70%;

The voltage point of 100% power in the charging state is 14.61V: in the charging state, the battery voltage reaches 14.61V, and the battery capacity reaches 100%;

Lithium iron phosphate battery discharge: voltage point corresponding to 0.5C discharge

Voltage point of 5% capacity in discharge state 11.90V: In discharge state, the battery voltage reaches 11.90V, and the battery capacity remains 5%;

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Voltage point of 10% power in discharge state 12.24V: In discharging state, the battery voltage reaches 12.24V, and the battery capacity remains 10%;

The voltage point of 25% power in discharge state is 12.55 V: In the discharging state, the battery voltage reaches 12.55V, and the battery capacity is 25% remaining;

The voltage point of 50% power in the discharging state is 12.74V: In the discharging state, the battery voltage reaches 12.74V, and the battery capacity is remaining 50%;

The voltage point of 75% power in the discharge state is 12.85V: in the discharge state, the battery voltage reaches 12.85V, and the battery capacity remains 75%;

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