HS-16S55A-1800W-A4

The Battery Management System (BMS) for the 1800W LiFePO4 lithium iron phosphate battery performs essential functions, including monitoring individual cell voltages, balancing charge and discharge, preventing overcharging and over-discharging, maintaining safe temperatures, and safeguarding against short circuits. It also provides communication interfaces for external systems. Proper BMS selection based on capacity, voltage range, and current requirements is crucial. Installation should follow manufacturer guidelines, with regular maintenance to ensure battery safety and performance.

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Model:
HS-16S55A-1800W-A4
Brand:
Helithtech

Product Description

Functional Features

Highly Integrated Analogue Front End
Isolated Power Supply Circuit
Integrated Serial Port IC
High Monomer Voltage Accuracy
High Current Accuracy
4-Way Battery Temperature Detection
SOC Estimation Function
SOH Estimation Function
Short Circuit Protection Function
Adjustable Over-Current Protection
Multiple Sleep And Wake-Up Modes
Low Power Consumption
RS485, UART Communication
Adjustable Parameter Settings
High Data Refresh Rate
Online Upgrade Function
Charge Equalization Function
High SOC Accuracy

Parameters

No.	Indicator Items		Factory Default Parameters	Value			Is It Possible To Set	Remark
No.	Indicator Items		Factory Default Parameters	Minimum Value	Nominal Value	Maximum Value		Remark
1	Monomer Overcharge Protection	Monomer Overcharge Alarm Voltage Ucl	3630mV	±5mV	±8mV	±10mV	Settable
		Monomer Overcharge Protection Voltage Uup	3650mV	±5mV	±8mV	±10mV	Settable
		Monomer Overcharge Protection Delay	2.0S				Settable
	Monomer Overvoltage Protection Disengaged	Release Voltage of Monomer Over-Discharge Protection	3350mV	±5mV	±8mV	±10mV	Settable
	Monomer Overvoltage Protection Disengaged	Discharge Release	放电电流>1A
2	Monomer Over-Discharge Protection	Monomer Over-Discharge Warning Voltage Udo	2700mV	±5mV	±8mV	±10mV	Settable
		Monomer Over-Discharge Protection Voltage Ude	2500mV	±5mV	±8mV	±10mV	Settable
		Monomer Over-Discharge Protection Delay	5.0S				Settable
	Monomer Over-Discharge Protection Disengaged	Release Voltage of Monomer Over-Discharge Protection	2800mV	±5mV	±8mV	±10mV	Settable
	Monomer Over-Discharge Protection Disengaged	Release When Charging	activated by connecting to the charger
3	Total Overcharge Protection	Total Overcharge Warning Voltage	57.6V	±60mV	±110mV	±160mV	Settable
		Total Overcharge Protection Voltage Ucp	58.4V	±60mV	±110mV	±160mV	Settable
		Total Overcharge Protection Delay	3.0S				Settable
	Total Overvoltage Protection Disengaged	Release Voltage of Total Overcharge Protection	53.6V	±60mV	±110mV	±160mV	Settable
	Total Overvoltage Protection Disengaged	Discharge Release	discharge current > 1A
4	Total Over-Discharge Protection	Total Over-Discharge Warning Voltage	43.2V	±60mV	±110mV	±160mV	Settable
		Total Over-Discharge Protection Voltage Udp	40.0V	±60mV	±110mV	±160mV	Settable
		Total Over-Discharge Protection Delay	5.0S				Settable
	Total Over-Discharge Protection Disengaged	Release Voltage of Total Over-Discharge Protection	44.8V	±60mV	±110mV	±160mV	Settable
	Total Over-Discharge Protection Disengaged	Release When Charging	activated by connecting to the charger
5	Charging Overcurrent Protection	Charging Overcurrent Warning Current Icm	29A	±0.3A	±0.6A	±0.9A	Settable
		Charging Overcurrent Protection Current Icp	30A	±0.3A	±0.6A	±0.9A	Settable
		Charging Overcurrent Protection Delay	5.0S				Settable
	Charging Overcurrent Protection Disengaged	Discharge Release	discharge current > 1A
6	Discharging Overcurrent 1 Protection	Alarm Current of Discharging Overcurrent 1 Idm	67A	±1A	±1.5A	±2A	Settable
		Protection Current of Discharging Overcurrent 1	87A	±1A	±1.5A	±2A	Settable
		Protection Delay of Discharging Overcurrent 1	5.0S				Settable
	Discharging Overcurrent 1 Protection Disengaged	Charge Release	Charging current > 1A
7	Discharge Overcurrent 2	Protection Current of Discharging Overcurrent 2	软件设置75A模拟前端的过流保护最小值为90A）	±1A	±1.5A	±2A	Settable
	Discharge Overcurrent 2	Protection Delay of Discharging Overcurrent 2	3000mS				Settable
	Discharge Overcurrent 2 Protection Disengaged	Charge Release	Charging current > 1A
8	Short Circuit Protection	Short Circuit Protection Current	>300A
		Short Circuit Protection Delay	300μS
		Short Circuit Protection Disengaged	Short-circuit protection will be disengaged when charging
		Short Circuit Protection Disengaged	Short-circuit protection will be automatically lifted after 1 min when the load is removed.
9	MOS High Temperature Protection	Temperature Value of MOS High Temperature Warning	87℃				Settable
		Temperature Value of MOS High Temperature Protection	90℃				Settable
		Release Temperature of MOS Protection	80℃				Settable
10	Cell Temperature Protection	Temperature Value of Charging Low Temperature Warning	3℃				Settable
		Temperature Value of Charging Low Temperature Protection	0℃				Settable
		Release Temperature of Charging Low Temperature Protection	6℃				Settable
		Temperature Value of Charging High Temperature Warning	47℃				Settable
		Temperature Value of Charging High Temperature Protection	50℃				Settable
		Release Temperature of Charging High Temperature Protection	47℃		±2℃		Settable
		Temperature Value of Discharge Low Temperature Warning	-20℃				Settable
		Temperature Value of Discharge low temperature protection	-23℃				Settable
		Release Temperature of Discharge Low Temperature Protection	-17℃				Settable
		Temperature Value of Discharge High Temperature Warning	57℃				Settable
		Temperature Value of Discharge High Temperature Protection	60℃				Settable
		Release Temperature of Discharge High Temperature Protection	55℃				Settable
11	Ambient Temperature Alarms	Temperature Value of Ambient Low Temperature Warning	-20℃				Settable
		Temperature Value of Ambient Low Temperature Protection	-23℃				Settable
		Release Temperature of Ambient Low Temperature Protection	-17℃				Settable
		Temperature Value of Ambient High Temperature Warning	57℃				Settable
		Temperature Value of Ambient High Temperature Protection	60℃				Settable
		Release Temperature of Ambient High Temperature Protection	55℃				Settable
12	Equalization Function	The Voltage When The Equalization Function is Turned On	3300mV				Settable
12	Equalization Function	The Differential Pressure When The Equalization Function is Turned On	30mV				Settable
13	Full Charge Judgement	Full Charge Voltage	＞58.2V	±60mV	±110mV	±160mV	Settable	Stop charging after the current and voltage are met, and update the SOC to 100%
13	Full Charge Judgement	Cut-off Current	＜1A				Settable
14	Positive secondary overcharge voltage protection	Secondary charging monomer protection	3.8V				Not Settable
14	Positive secondary overcharge voltage protection	Monomer Overcharge Protection Delay	3～5S				Not Settable
15	Continuous charging current	Icr	<30A	±0.3A	±0.6A	±0.9A
15	Continuous discharging current	Idr	≤65A	±1A	±1.5A	±2A
16	Current Consumption	Nominal Mode	4.5～10mA				Not Settable
		Sleeping Mode	120～200uA				Not Settable
		Main circuit resistance	6～10mR				Not Settable

Precautions

When working with the Battery Management System (BMS) for the 1800W LiFePO4 lithium iron phosphate battery, there are some important considerations:

Compatibility: Ensure that the chosen BMS is compatible with the battery's capacity, voltage, and current specifications.
Installation: Follow the manufacturer's instructions precisely during the BMS installation to ensure proper wiring and connection.
Monitoring: Regularly monitor the BMS interface to track battery status, voltage, current, temperature, and any alarms.
Balancing: Verify that the BMS effectively balances the charge and discharge among individual cells to prolong battery life.
Safety Protocols: Confirm that the BMS provides overcharge, over-discharge, temperature, and short-circuit protection to enhance battery safety.
Communication: Utilize the communication interfaces of the BMS to integrate battery data with external systems, enhancing control and monitoring capabilities.
Maintenance: Perform routine maintenance checks on the BMS to ensure it remains operational and the battery system is safe.
Manufacturer Guidelines: Always adhere to the guidelines provided by the BMS manufacturer for optimal performance and safety.
Temperature Management: Pay attention to the BMS's temperature monitoring and regulation functions to prevent overheating.
System Testing: Prior to full deployment, conduct thorough system testing to ensure proper BMS operation under various conditions.

Remember, the proper setup and maintenance of the BMS are critical to ensuring the safety, efficiency, and longevity of the LiFePO4 battery system.