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Active Balance 4s Li-ion LiFePO4 12V 14.8V BMS for E-Bike Solar EV Battery with RS485

LWS®'s Active Balance 4S Li-ion LiFePO4 12V 14.8V BMS for E-Bike Solar EV Battery with RS485. Our cutting-edge BMS technology ensures optimal performance and safety for your energy storage needs. With over a decade of industry experience and ISO9001 certification, LWS® guarantees reliability and precision engineering. Join the future of sustainable energy with our high-tech BMS solutions, designed to meet the demands of e-bikes, solar systems, and electric vehicles.

Model:LWS-4S-BL-846

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Product Description

Product Introduction

The Active Balance 4s Li-ion LiFePO4 12V 14.8V BMS for E-Bike Solar EV Battery with RS485 is a cutting-edge Battery Management System designed for electric bikes, solar power systems, and electric vehicles. With advanced features like active balancing and RS485 communication, it ensures optimal performance and longevity for your lithium-ion and LiFePO4 batteries at 12V and 14.8V, making it an ideal choice for efficient and reliable energy storage solutions.

Product Parameter (Specification)

LWS-4S-BL-846

Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD
Model: LWS-4S-BL-846(4S)
No.	Test item		Criterion
1	Power consumption current	Power consumption current	≤2μA
1	Power consumption current	Operating current (in balanced mode, no switching	900μA
2	Imbalance detection	Detection timing duration	2S
		Imbalance Detection Time	3.85S
		Unbalance Detection Voltage Value	100mV
		Balance Voltage Accuracy	-70~70mV
3	Balance Current	maximum equilibrium current	2A
4	Battery Protection	Top Battery Overvoltage Protection Threshold	5V
		TOP_OVP Hysteresis	350mV
		Bottom Battery Overvoltage Protection Threshold.	5V
		BATC_OVP Hysteresis	350mV
		Battery Prerequisite Threshold.	2.8V
		TOP_PRECOND Hysteresis	150mV
		Bottom battery Prerequisite threshold	2.8V
		BOT_PRECOND Hysteresis	150mV
6	Temperature	Operating temperature range	-20~+65ºC
6	Temperature	Storage temperature range	-20~+85ºC

Product Details

Detect and protect the battery from over-charge ,over-dicharge, over-current short-circuit ,temperature detecting protection and auotmatically voltage balance function .with high end electronic components (High End IC and MOSFET ) ,simple structure design will let it have more stable quality working performance , Flexible application ( it can be used for less series battery by leaving some connection pins at empty status ),full set of protection measures let it works well without any infulence from external unexpected accidents.

Notes

1) Wire connection strictly according to the drawing, do not intentionally short circuit.
2) Before charged, need to connect the cables first.
3) When the group of battery is connected in series, ensure that the voltage of each group of batteries voltage is the same. If not, fill each group of batteries separately before connecting them in series. In discharge tests, the group of cells with the fastest voltage drop is the differential cell.

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