LITHIUM PHOSPHATE BMS

A BMS (Battery Management System) is essential in a Lithium-Ion battery system. This device manages a real-time control of each battery cell, communicates with external devices, manages SOC calculation, measures temperature and voltage, etc.

TECHNICAL DETAILS:

Voltage: minimum and maximum cell voltage
State of charge (SOC) or depth of discharge (DOD), to indicate the charge level of the battery
State of health (SOH), a variously-defined measurement of the remaining capacity of the battery as % of the original capacity
State of power (SOP), the amount of power available for a defined time interval given the current power usage, temperature and other conditions
State of Safety (SOS)
Maximum charge current as a charge current limit (CCL)
Maximum discharge current as a discharge current limit (DCL)
Energy [kWh] delivered since last charge or charge cycle
Internal impedance of a cell (to determine open circuit voltage)
Charge [Ah] delivered or stored (sometimes this feature is called Coulomb counter)
Total energy delivered since first use
Total operating time since first use
Total number of cycles

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TECHNICAL PARAMETERS:

4 SERIES 5A/10A/20A

No.	Description		Specification	Unit
1	Discharge	Continue discharge current	5/10/20	A
2	Charge	Charge voltage	14	V
2	Charge	Charge current	3/5/10	A
3	Over charge protection	Over charge detect voltage	3.75±0.05	V
		Over charge protection delay	1	S
		Over charge release voltage	3.65±0.05	V
4	Balance	Balance detect Voltage	3.20	V
4	Balance	Balance current	30±5	mA
5	Over discharge protection	Over discharge detect	2.2±0.1	V
		Over discharge detect delay	1	S
		Over discharge release voltage	2.3±0.1	V
6	Charging over current protection	Charging over current protection current	9/15/30±30	A
		Over Charge current detect delay	1	A
		Over Charge current protection release condition	Off load
7	Discharge over current protection	Discharge over current protection current	15/30/60±30	A
		Over discharge current detect delay	1	S
		Over discharge current protection release condition	Off load
8	Short Circuit protection	Short Circuit protection condition	Short circuit of external load
		Short circuit detect dela	320	uS
		Short circuit protection release	Off load
9	Temp Protect	Charge Temperature protection degrees	-40 – 65	℃
9	Temp Protect	discharge Temperature protection degrees	-40 – 70	℃
10	Means of communication	Bluetooth
11	Inner Resistance	Main Circuit Conduct Inner resistance	<20	mΩ
12	Self-Consumption	Working current	35	uA
12	Self-Consumption	Sleeping current (over-discharge)	800	uA
13	Working Temp	Temp rang	-20 – 70	℃
14	Storing Temp	Temp rang	-40 – 80	℃

8 SERIES 10A/20A

No.	Description		Specification	Unit
1	Discharge	Continue discharge current	10/20	A
2	Charge	Charge voltage	30	V
2	Charge	Charge current	5/10	A
3	Over charge protection	Over charge detect voltage	3.75±0.05	V
		Over charge protection delay	1	S
		Over charge release voltage	3.65±0.05	V
4	Balance	Balance detect Voltage	3.20	V
4	Balance	Balance current	30±5	mA
5	Over discharge protection	Over discharge detect	2.2±0.1	V
		Over discharge detect delay	1	S
		Over discharge release voltage	2.3±0.1	V
6	Charging over current protection	Charging over current protection current	15/30±30	A
		Over Charge current detect delay	1	A
		Over Charge current protection release condition	Off load
7	Discharge over current protection	Discharge over current protection current	30/60±30	A
		Over discharge current detect delay	1	S
		Over discharge current protection release condition	Off load
8	Short Circuit protection	Short Circuit protection condition	Short circuit of external load
		Short circuit detect dela	320	uS
		Short circuit protection release	Off load
9	Temp Protect	Charge Temperature protection degrees	-40 – 65	℃
9	Temp Protect	discharge Temperature protection degrees	-40 – 70	℃
10	Means of communication	Bluetooth
11	Inner Resistance	Main Circuit Conduct Inner resistance	<20	mΩ
12	Self-Consumption	Working current	35	uA
12	Self-Consumption	Sleeping current (over-discharge)	800	uA
13	Working Temp	Temp rang	-20 – 70	℃
14	Storing Temp	Temp rang	-40 – 80	℃

12 SERIES 20A/40A

No.	Description		Specification	Unit
1	Discharge	Continue discharge current	20/40	A
2	Charge	Charge voltage	30	V
2	Charge	Charge current	10/20	A
3	Over charge protection	Over charge detect voltage	3.75±0.05	V
		Over charge protection delay	1	S
		Over charge release voltage	3.65±0.05	V
4	Balance	Balance detect Voltage	3.20	V
4	Balance	Balance current	30±5	mA
5	Over discharge protection	Over discharge detect	2.2±0.1	V
		Over discharge detect delay	1	S
		Over discharge release voltage	2.3±0.1	V
6	Charging over current protection	Charging over current protection current	30/60±30	A
		Over Charge current detect delay	1	A
		Over Charge current protection release condition	Off load
7	Discharge over current protection	Discharge over current protection current	60/120±30	A
		Over discharge current detect delay	1	S
		Over discharge current protection release condition	Off load
8	Short Circuit protection	Short Circuit protection condition	Short circuit of external load
		Short circuit detect dela	320	uS
		Short circuit protection release	Off load
9	Temp Protect	Charge Temperature protection degrees	-40 – 65	℃
9	Temp Protect	discharge Temperature protection degrees	-40 – 70	℃
10	Means of communication	Bluetooth
11	Inner Resistance	Main Circuit Conduct Inner resistance	<20	mΩ
12	Self-Consumption	Working current	35	uA
12	Self-Consumption	Sleeping current (over-discharge)	800	uA
13	Working Temp	Temp rang	-20 – 70	℃
14	Storing Temp	Temp rang	-40 – 80	℃

LITHIUM PHOSPHATE BMS

Lithium Phosphate BMS

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Single Channels Battery Charge and Discharge Machine8 Channels Battery Charge and Discharge Machine16 Channels Battery Charge and Discharge Machine80 Channels Battery Charge and Discharge Machine256 Channels Battery Charge and Discharge Machine512 Channels Battery Charge and Discharge Machine

Discharge

Charge

Over charge protection

Balance

Over discharge protection

Charging over current protection

Discharge over current protection

Short Circuit protection

Temp Protect

Means of communication

Inner Resistance

Self-Consumption

Working Temp

Storing Temp

Discharge

Charge

Over charge protection

Balance

Over discharge protection

Charging over current protection

Discharge over current protection

Short Circuit protection

Temp Protect

Means of communication

Inner Resistance

Self-Consumption

Working Temp

Storing Temp

Discharge

Charge

Over charge protection

Balance

Over discharge protection

Charging over current protection

Discharge over current protection

Short Circuit protection

Temp Protect

Means of communication

Inner Resistance

Self-Consumption

Working Temp

Storing Temp

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