Name: Enerkey 4S 120A LiFePO4Liion Battery Protection Board 120A Discharge With Passive Balancing and Custom OEM Solutions
Brand: Enerkey
Price: 20.86 USD

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Enerkey 4S 120A LiFePO4/Li-ion Battery Protection Board 120A Discharge With Passive Balancing and Custom OEM Solutions

Brand Name:Enerkey

Certification:ISO9001/CE/ROHS

Model Number:EK-BM3R8S120A

Minimum Order Quantity:10pieces

Delivery Time:3-5days

Payment Terms:L/C,D/A,D/P,T/T,Western Union,MoneyGram

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Shenzhen Juyi Science And Trade Co., Ltd.

Verified Supplier

Location: Shenzhen China

Address: Area A, 9th Floor, Building G, Guancheng Low Carbon Industrial Park, Shangcun Community, Gongming Street, Guangming District, Shenzhen, China, 518106

Supplier`s last login times: within 39 hours

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Product Details Company Profile

Product Details

Enerkey 4S 120A LiFePO4/Li-ion Battery Protection Board 120A Discharge With Passive Balancing and Custom OEM Solutions

Product Description

4S120A Lithium Battery Protection Board Product Features and Advantages
Intelligent management expansion, the following functions can be customized according to customer needs
Multi-protocol communication: Supports Bluetooth, CAN, RS485 and other interfaces, and can be connected to the host computer to adjust parameters in real time (such as protection threshold, balancing strategy).
Customized function: Optional modules such as GPS positioning, inverter protocol docking, power indicator light, etc. to meet diversified needs.

Efficient structural design
Same port/split port optional:
Same port design: Shared charging and discharging interface, simplified wiring (recommended 120A same port model).
Split port design: Independent charging and discharging interface, supporting higher safety and balanced efficiency (such as 100A split port model).
Low power consumption and durability
Static power consumption ≤33μA: Ultra-low self-power consumption design, extended battery standby time.
Industrial-grade protection: The PCB board adopts triple-proof coating (dust-proof, moisture-proof, and corrosion-proof) to adapt to harsh environments

Technical Parameters

	Item type		Parameters
1	Parameter Overview	Product Model	EK-BM3R8S120A
		Product Size(mm)	L95W68T15
		Product Weight(kg)	0.12
		Product Material	FR-4 / Lead-free spray tin
		Applicable battery type	Lifepo4		Li-ion		Lto		SIB
		Applicable battery string number	3S / 4S / 5S / 6S / 7S / 8S
		Rated discharge current	120A		120A		120A		120A
		Peak starting current	300A		300A		300A		300A
	Item type		Trigger (time)	Trigger (time)	Trigger (time)	Trigger (time)	Trigger (time)	Trigger (time)	Trigger (time)	Trigger (time)
2	Charging protection	Overvoltage protection voltage value	3.65V/1S	3.50V/1S	4.25V/1S	4.05V/1S	2.85V/1S	2.75V/1S	3.95V/1S	3.80V/1S
		Balanced phase difference voltage value	Trigger voltage difference 30mV / trigger time 0.5S / balance time 10S cycle
		Balanced voltage value	3.45V		3.70V		2.50V		3.10V
		Overcurrent value	120A/2S, disconnect charger to recover
		Low temperature value	Charge over-temperature protection 60℃/2S / Release 55℃/2S
		Overtemperature value	Charging low temperature protection -5℃/2S / Release 0℃/2S
3	Discharge protection	Undervoltage protection voltage value	2.30V/1S	2.70V/1S	2.75V/1S	3.0V/1S	1.70V/1S	1.80V/1S	1.50V/1S	2.00V/1S
		①Overcurrent protection value	150A/2S, disconnect load or activate charging
		②Overcurrent protection value	250A/0.5S, disconnect load or activate charging
		Short circuit protection value	500A/128uS, disconnect load or charge activated
		Low temperature value	Discharge over-temperature protection 65℃/2S, release 60℃/2S
		Overtemperature value	Discharge low temperature protection -20℃/2S, release -10℃/2S
4	Others	Standby current consumption	25uA
		Motherboard lock voltage	/

Size $ Packing List

Package included:

1 * BMS

1 * NTC Terminal Cable

1 * Switch Cable

1 * Terminal Cable

4 * Terminal Lugs

4 * M5 Screws

Wire Diagram

Wiring precautions:
1. Installing the protective board requires a certain amount of technical electronic knowledge.
2. When wiring, first connect the B- wire at the soldering pad position to the total negative terminal of the battery (the B- wire should be soldered to a short and thick wire) and solder the wired terminal to the battery pack first, and then insert the protective plate.
3. The connection between the battery terminal B- and the protection board terminal B- should be short and thick, otherwise it will cause the protection board to charge and discharge in advance and malfunction.

4. You need to use thick wires when wiring P+/P-. Wires that are too thin and too long will burn the board!

FAQ

Q1. Why did we choose you?

* We can provide you with efficient after-sales service, with more than 10 years of strong technical support.

* Products have passed FCC, CE, ROHS and other international standards certification.

* We can provide you with factory price, Welcome you to visit our factory and production process.

Q2. What is your product range (type)?

*We mainly do battery management systems in the fields of power batteries, energy storage batteries and consumer batteries.

*Mainly used for LFP, Li-ino and LTO batteries.

Q3: How do I know which kind of material & type my battery is ?

*Please look the battery body, If the normal voltage of your battery shows 3.2V, The battery is LiFePo4.

*If the normal voltage of your battery shows 3.6V or 3.7V, the battery is Li-ion or Lto battery.

Q4. Do you have minimum order requirements?

Can it be customized? What is the lead time for samples and batches?

*Our minimum order quantity is 1 piece, ODM customization is available.

* 1~3 days delivery of existing samples, 3~10 days delivery of customized samples.

Q5: What if i can't use it?

*Regular products have instructional videos, We can also support online video call guidance from engineers.

Q6. What are your terms of payment?

*We accept wire transfer and cash payment, all negotiable. Payment method :visa, mastercard, T/T, PayPal, APPLE_PAY, GOOGLE_PAY, GC_REAL_TIME_BANK_TRANSFER, RMB

Q7. How do you guarantee the quality?

* All our products are subjected to professional laboratory 100% testing, as well as repeated aging tests.

* Obtained FCC, CE, ROHS and other international standard certification.

* Provide 3 years after-sales warranty service. Free spare units for replace in 3 years.

Q8. How to choose a BMS suitable for our battery?

*Depending on the voltage and current that matches your battery, you can consult our customer service and we will provide it for you equipped with the most suitable battery management system.

Q9. How can i contact you?

*We have 7x24 hours online service, Please leave us a message online.

*You can also contact us by Email, WhatsApp, WeChat, etc(see below). We are so glad to work with you.

Noted: We are source manufacturer, We have own brand for "EnerKey",We can customized product as your requirement(Voltage, Wire,Etc) .

We can provide you competitive price in the market if you have bulk order, Please don't hesitate to contact us.

Mobile & WhatsApp & Wechat: +86 15387469240; Email: kiwi@enerkey.cn

Company Profile

Shenzhen Juyi Science And Trade Co., Ltd. and EnerKey BMS Technology Co., Ltd. is a new energy enterprise engaged in the research and development of lithium battery protection panels (intelligent BMS).

EnerKey BMS specializes in the field of power solution development, has accumulated multiple patented inventions, and can achieve personalized customized production of protective boards.

The product is widely used as a power solution for various fields such as electric bicycles, motorcycles, scooters, RVs, energy storage, inverters, vacuum cleaners, electric tools, solar street lights, robots, medical equipment, household appliances, etc.

Own brands "Jinwei", "ENERKEY", "GEEWIN", and "GEEWE".

EnerKey BMS has a strong R&D and management team, with multiple technical backbones having over 10 years of work experience in the development of power battery protection boards and management systems (BMS).

It has successfully developed and mass-produced over 60 specifications of hardware boards and over 30 specifications of intelligent BMS30.

The product covers a lithium battery protection and management system with a series connection of 2-32 batteries and a working current of 500A.

The intelligent protection board developed by EnerKey BMS has promoted the development of the lithium battery protection board industry.

The protection board can be connected through Bluetooth and mobile APP, communication box and upper computer, remote communication can be achieved through GPRS module, and LCD display screen can be supported.

Customers can monitor or adjust the protection board parameters at any time, making the use of lithium batteries safer and more reassuring.

The smart board has communication interfaces such as UART, RS485, RS232, and CANBUS, which can be widely used in various lithium battery products.

Enerkey 4S 120A LiFePO4/Li-ion Battery Protection Board 120A Discharge With Passive Balancing and Custom OEM Solutions

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