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14S 52V 20A Continuous Balanced Lithium-ion battery BMS UK stock 18650 Ebike ANN

UK Seller. UK Stock

Rapid dispatch within 1 working day to UK, EU and the rest of World

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 damge caused by negligence or lack of knowledge.

51.8V lithium ion battery protective circuit, 14S 51.8V 20A BMS, with the balance function, Free balanced cable.

14M20A07

Features

1. It is suitable for 14S 51.8V 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.

Electrical Characteristic (Ta=25 ºC)

No.

Test Item

Min.

Typ.

Max

Unit

1

Input Charging Voltage

58.6

58.8

59.0

V

2

Input Charging Current

 

8

 

A

3

Output Discharging Current

 

20

 

A

4

Over-Current Discharging Protection

55

60

65

A

5

Current Consumption

10

15

25

uA

6

Balance Current

45

50

55

mA

7

Balance Voltage

4.16

4.18

4.20

V

8

Over-Charge Protection Voltage

4.21

4.25

4.3

V

9

Over-Charge Protection Voltage Release

4.0

4.15

4.2

V

10

Over-Charge Protection Voltage Delay Time

1.0

1.5

2.0

S

11

Over-Discharge Protection Voltage

2.42

2.5

2.58

V

12

Over-Discharge Protection Voltage Release

2.9

3.0

3.1

V

13

Over-Discharge Protection Voltage Delay Time

1.0

1.5

2.0

S

14

Short Circuit Protection Release

Remove the load

15

Impedance

 

8

15

16

Operating Temperature

-15

+25

+45

ºC

17

Storage Temperature

-20

+25

+30

ºC

 
 
14M20A0814M20A1114M20A14

Wiring instructions:

power cable

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

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

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

Voltage monitoring cable

cable type:UL1007   22AWG   L=300±5mm
B-(Black),B14+(Red)
B-(GND)/B1/B2/B3/B4/B5/B6/B7/B8/B9/B10/B11/B12/B13/B14 (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.

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