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DISCLAIMER: This item is a sophisticated electronic controller. You will need skill and knowledge to install it and use it. You will need to have done research, some available on YouTube - search "eBike School" and "Jehu Garcia" by example to find out what a bms is, what it does and especially how to install it. Wiring diagrams and how to use the bms are found on this listing. It will not be possible to return this item once opened and used, but most especially due to use or damage caused by negligence or lack of knowledge.
This bms is for a Lithium-ion battery. Not suitable for a LiFePO4 battery

Item specifics

  • Brand Name: ANN
  • Voltage:36V
  • Size:L70*W51.5*T11mm
  • Nominal Capacity:5-30Ah
  • Type: Li-Ion
  • Weight:0.08KG
  • Model Number:10M20A
  • Application:10S 36V 5-30Ah battery

10S 36V (42V) 20A lithium ion battery BMS, For 36V 10Ah E-bike li-ion batteries pack, With the balance function, 36V 20A BMS.

Features

1. It is suitable for 10S 36V 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.

10M20A-02

10M20A-05

10M20A-09

10M20A-07

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

Wires type:UL1007   22AWG   L=300±5mm
B-(Black),B10+(Red)
B-(GND)/B1/B2/B3/B4/B5/B6/B7/B8/B9/B10(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

 

42V

 

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

4.25

4.28

V

9

Over-Charge Protection Voltage Delay Time

1.0

1.5

2.0

S

10

Over-Discharge Protection Voltage

2.45

2.5

2.55

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

mΩ

14

Operating Temperature

-20

+25

+50

ºC

15

Storage Temperature

-20

+25

+45

ºC

 

 

 

 
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