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Item specifics

Certification NONE
Origin Mainland China
Model Number MH9955
Item Type Lithium Battery Protection Circuit Board

Product Description

STYLE:

5 series lithium battery protection board 18650 lithium ion battery circuit board module XL-MH9955 power tool 21V

Feature:

1. Adopting mature 5 series dedicated lithium battery protection chip for central control, featuring high integration and high sensitivity.
2. By detecting the charge and discharge current, voltage and ambient temperature of each battery, it can realize the protection of overcharge, over discharge, discharge over current, short circuit, charge over current, temperature and other real-time protection.
3. The adjustment of the parameters can also be realized by an external circuit.
4. Widely used on battery packs for power tools using 18650 lithium batteries.
5. High-quality electronic components ensure the stable and reliable performance of the lithium battery protection board.

Specification:

Item Type	Lithium Battery Protection Circuit Board
Model	XL-MH9955（MH9955）
Number of Series	5 Series
Voltage	Charging Voltage	21V
Voltage	Single Charge Voltage	3.85/4.25V
Current	Continuous Discharge Current	8-20A
Overcharge Protection	Overcharged Single Section Detection Voltage	3.85-4.25V
	Overcharge Protection Delay	1S
	Overcharged Single Section Recovery Voltage	3.75-4.13V
	Overcharge Protection Release Delay	1mS
Overdischarge Protection	Over-Discharge Single-Section Detection Voltage	2-2.8V
	Over-Discharge Protection Delay	1S
	Over-Discharge Single-Section Recovery Voltage	2.5-3.0V
	Over-Discharge Protection Release Delay	100±20mS
Overcurrent Protection	Overcurrent Detection Voltage	0.1-0.4V
	Overcurrent Detection Current	30±5A
	Overcurrent Detection Delay	1S
	Recovery Status	Automatic Recovery
Short Circuit Protection	With Or Without Short Circuit Protection	With Short Circuit Protection
	Short Circuit Detection Delay	250uS
	Short Circuit Release Delay	1S
	Short Circuit Detection Voltage	0.8V
	Recovery Status	Automatic Recovery After Disconnecting Load
Temperature Protection	Over Temperature Protection Temperature	70±5℃
Temperature Protection	Over Temperature Recovery Temperature	55±5℃
Power Consumption	Working Status	25uA (25℃)
Power Consumption	Dormant State	6uA(25℃)
Internal Resistance	Discharge Loop Internal Resistance	30±5mΩ
Size	Length x Width	Approx. 69 x 49mm / 2.7 x 1.9in
Temperature protection	Working temperature	-40°C-85°C Relative humidity≤75%
Temperature protection	Storage temperature	-40°C-125°C Relative humidity≤75%

Package List:

1 x Lithium Battery Protection Circuit Board

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