SPECIFICATION FOR 20S BMS

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Function

Testing item

Value

Accuracy

Unit

Remark

Charging Voltage

Rated charging voltage

85

±0.25

(V)

Parameters can be set

Constant current

Maximum charging current

60

\

(A)

Recommended value


Maximum discharging current

60

\

(A)

Recommended value

Charging protection

Overcharge protection voltage

4250

±25

(mV)

Parameters can be set


Overcharge protection delay

1000

±500

(mS)

Parameters can be set


Overcharge protection recovery voltage

4120

±50

(mV)

Parameters can be set


Overcharge protection recovery conditions

The voltage of each cell is lower than the overcharge recovery voltage


Charging overcurrent protection

60

±5

(A)

Parameters can be set


Charging overcurrent protection delay

10000

±1000

(mS)

Parameters can be set


Charging overcurrent protection recovery conditions

Disconnect charger

Discharging protection

Over discharge protection voltage

2800

±80

(mV)

Parameters can be set


Over-discharge protection delay

1000

±500

(mS)

Parameters can be set


Over-discharge protection recovery voltage

2900

±100

(mV)

Parameters can be set


Over-discharge protection recovery conditions

After 16 seconds of over discharge, it enters sleep mode and needs to be activated by inserting a charger. The voltage of each cell is higher than the recovery voltage (insert charger)


Discharge overcurrent protection

120

±5

(A)

Parameters can be set


Discharge overcurrent protection delay

500

±200

(mS)

Parameters can be set


Short circuit protection

Yes

(A)

Parameters can be set


Short circuit protection delay

300

±200

(uS)

Parameters can be set


Overcurrent/short circuit protection delay recovery bar

Disconnect load

Temperature protection

Charging high temperature protection

55

±5

(℃)

Parameters can be set


Charging high temperature protection recovery

45

±5

(℃)

Parameters can be set


Charging low temperature protection

-10

±5

(℃)

Parameters can be set


Charging low temperature protection and recovery

-5

±5

(℃)

Parameters can be set


Discharge high temperature protection

75

±5

(℃)

Parameters can be set


Discharge high temperature protection recovery

60

±5

(℃)

Parameters can be set


Discharge low temperature protection

-20

±5

(℃)

Parameters can be set


Discharge low temperature protection recovery

-15

±5

(℃)

Parameters can be set

Self-consumption

Single cell self-consumption

43

±10

(℃)


IR

Charge/discharge circuit IR

3

≦30


Dimension

L*W*H

150*80*16

mm


Charging operating temperature

Charging operating temperature

-20+80

(℃)


Discharge operating temperature

Discharge operating temperature

-20+80

(℃)


Working humidity

Working humidity

+10+80(@40℃)

%RH


Storage temperature

Storage temperature

-25+85

(℃)


Storage humidity

Storage humidity

+10+80(@40℃)

%RH



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