LB04A17S40A

LVNOON Smart active balancer BMS 40A 3S to 24S for Li-ion NCM LiFePo4 LTO Battery LB04A series with BT control

Active balance whether it is charging, discharging or static status, improve battery efficiency by 95%.

Support Single voltage range 1V~5V, equalization accuracy ±5mV

All in protection

Real-time active energy transfer equalization with super capacitor as the medium

With 0.4A balanced current and continuous 40A charge/discharge current

Ensure battery consistency, improve battery cruising range, and delay battery aging, improving safety and avoid risk.

Smartphone APP operation with BT communication

Ensure battery consistency, improve battery cruising range, and delay battery aging, improving safety and avoid risk.

Widely used for 2 wheels/3 wheels electric vehicles and electric tools

Suitable for Li-ion NCM LiFePo4 LTO and other battery types

Support more interfaces

Item No: LB04A17S40A
Function: BT RS485 (optional, default without) Lithium battery protection board (same port)
Balance current: 0.4A
Battery strings: 7S-17S Charge/Discharge: 40A
Fit for battery type: NCM/li-ion/Lifepo4/LTO
Size: 110*73*18mm
Number of battery strings(li-ion): 7S-17S
Number of battery strings (Lifepo4): 8S-17S
Number of battery strings (LTO): 12S-17S
Balance current: 0.4A
Balance method: Active balance (Full state ON)
Conductive resistance in main circuit: 2.8mΩ Continuous charge/discharge current: 40A
Maximum discharge current (MAX 2 min): 60A Over charge protection current (ADJ): 10~40A Other interfaces (default): RS485
Other interfaces(optional): CANBUS/Heat (need to customize)
Wiring output: common port
Size: 110*73*18mm
Working temperature: -20℃—70 ℃

Lithium battery protection board (same port)

Wiring Diagram

LVNOON SMART ACTIVE BMS LB04A series Product Specifications

Technical Index	LB04A8S40A	LB04A17S40A	LB04A20S40A	LB04A24S40A
Number of Battery Strings (Li-ion)	3S-8S	7S-17S	7S-20S	7S-24S
Number of Battery Strings (Lifepo4)	4S-8S	8S-17S	8S-20S	8S-24S
Number of Battery Strings (LTO)	6S-8S	12S-17S	12S-20S	12S-24S
Balance Method	Active Balance(Full State On)
Balance Current	0.4A	0.4A	0.4A	0.4A
Conductive Resistance in Main Circuit	2.8mΩ	2.8mΩ	2.8mΩ	2.8mΩ
Continuous Discharge Current	40A	40A	40A	40A
Continuous Charge Current	40A	40A	40A	40A
Maximum Discharge Current (MAX 2 min)	60A	60A	60A	60A
Over Charge Protection Current (Adjustable)	10-40A	10-40A	10-40A	10-40A
Other interfaces (Default)	RS485	RS485	RS485	RS485
Other interfaces (need customized)	CANBUS/HEAT	CANBUS/HEAT	CANBUS/HEAT	CANBUS/HEAT
Size/mm	1107318	1107318		1168318
Wiring Output	Common Port
Single Cell Voltage Range	1-5V
Voltage Acquistion Accuracy	±5mV
Over Charge Protection Voltage	1.2-4.35V Adjustable
Over Charge Relese Voltage	1.2-4.35V Adjustable
Over Current Detect Delay	2-120S Adjustable
Over Discharge Protection Voltage	1.2-4.35V Adjustable
Over Discharge Relese Voltage	1.2-4.35V Adjustable
Quantity of Temperature Detection	2Pcs
Temp Protection	Yes
Short Circuit protection	Yes
Coulomb Counter	Yes
App Function	Fit for Android/IOS smartphone