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Description

  • Package: SMD
  • is_customized: Yes
  • Model Number: 5S 18V 21V 20A Battery Charging Protection
  • Operating Temperature: 
  • Dissipation Power: 20a
  • Supply Voltage: 18v 21v
  • Application: Computer
  • Condition: New
  • Type: Module
  • Brand Name: baishundianzi
  • Origin: Mainland China

 
Features:
  • The protection board is for 5 series Li-ion batteries, mainly used for electric power tools.

  • It uses special IC for 5S lithium batteries as processor to detect real-time voltage, charge and discharge current and ambient temperature of each battery.

  • Stable various protective functions for charging and discharging, such as overcharge protection, over-discharge protection and short circuit protection.

  • Low power consumption,the working current is about 25uA and quiescent current is about 6uA.

  • Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries.

Specifications:

Voltage

Charge Voltage

19/21V  

Single Cell Charge Voltage

3.8/4.25V

Current

Continuous Discharge Current

8-20A

Overcharge Protection

Overcharge Single Cell Detection Voltage

3.85-4.25V

Overcharge Protection Delay

1S

Overcharge Single Cell Recovery Voltage

3.75-4.13V

Overcharge Protection Release Delay

1mS

Over-discharge Protection

Over-discharge Single Cell Detection Voltage

2-2.8V

Over-discharge Protection Delay

1S

Over-discharge Single Cell Recovery Voltage

2.5-3.0V

Over-discharge Protection Release Delay

100±20mS

Over-current Protection

Over-current Detection Voltage

0.1-0.4V

Over-current Detection Current

30±5A

Over-current Detection Delay

1S

Recovery State

Auto

Short Circuit Protection

Support

Yes

Short Circuit Detection Delay

250uS

Short Circuit Release Delay

1S

Short Circuit Detection Voltage

0.8V

Recovery State

Auto after Disconnect Load

Over Temperature Protection

Protection Temperature

70±5°

Recovery Temperature

55±5°

Power Consumption

Working State

25uA (25°)

Stand-by State

6uA(25°)

Internal Resistance

Discharge Main Circuit Internal Resistance

30±5mΩ

Temperature

Operating Temperature

 -40°-85° RH≤75%

Store Temperature

 -40°-125° RH≤75%

Size

Length*Width

46*40mm/1.81*1.57"

Package Includes:

1 x Protection Board

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