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7S 24V (29.4V) lithium ion battery BMS 20A continuous discharge current For 24V E-bike li-ion battery With the balance function

7S 24V (29.4V) lithium ion battery BMS 20A continuous discharge current For 24V E-bike li-ion battery With the balance function

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7S 24V (29.4V) lithium ion battery BMS, 20A continuous discharge current, For 24V E-bike li-ion battery. With the balance function.

 

Feature

1. It is suitable for 7S 24V lithium ion battery pack.

2. With functions of protection from voltage, current detection, including over-current, overvoltage, under-voltage and short circuit protection, voltage balance function.

3. This BMS was build with high end electronic components (High End Integrated IC chip and MOSFET ) ,It has highly precision on detection on voltage and current .stable working performance in extremely condition.

7M20A067M20A027M20A047M20A087M20A057M20A07

Wiring instructions:

power wiring harness

B-:Connect to battery negative  (3135 Black  14AWG  L=150±5mm)

P-:Connect to negative of discharge port (3135 Blue  14AWG  L=150±5mm) 

C-:Connect to negative of charge port (3135 yellow  18AWG  L=150±5mm) 

 

Voltage monitoring wiring harness

Line type:UL1007   22AWG   L=300±5mm
B-(Black),B7+(Red)
B-(GND)/B1/B2/B3/B4/B5/B6/B7(B+)

Remarks:

Please connect B- line firstly, and then connect voltage monitoring wiring harness. The last step is to connect charge and discharge lines. If you want to remove them, the order should be reversed. Please pay attention to the connection order, or it will damage the component.

 

Electrical Characteristic (Ta=25 ºC)

No.

Test Item

Min.

Typ.

Max

Unit

1

Input Charging Voltage

 

29.4V

 

V

2

Input Charging Current

 

8

 

A

3

Output Discharging Current

 

20

22

A

4

Over-Current Discharging Protection

50

60

70

A

5

Current Consumption

 

25

32

uA

6

Balance Current

45

50

55

mA

7

Balance Voltage

4.16

4.18

4.20

V

8

Over-Charge Protection Voltage

4.17

4.2

4.25

V

9

Over-Charge Protection Voltage Delay Time

1.0

1.5

2.0

S

10

Over-Discharge Protection Voltage

2.67

2.75

2.83

V

11

Over-Discharge Protection Voltage Delay Time

1.0

1.5

2.0

mS

12

Short Circuit Protection Release

Remove the load

13

Impedance

 

7

12

14

Operating Temperature

-20

+25

+50

ºC

15

Storage Temperature

-20

+25

+45

ºC

 
7M20A017M20A09


Origin: CN(Origin)
Weight: 0.08KG
Size: L70*W51.5*T11mm
Model Number: 7M20A01
Nominal Capacity: 5-30Ah
Application: 7S 24V 5-30Ah battery
Type: Li-ion battery BMS
Voltage: 24V
Product name: 7S 24V 20A li-ion BMS
Rated Voltage: 24V/25.9V
Charging voltage: 29.4V
Continuous working current: 20A
Over-Current Discharging Protection: 60A
Maximum charging current: 8A
Balanced Current: 50mA
Charge and discharge: Different charge and discharge port
Dimensions: L70*W51.5*T11mm


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