3S 12.6V or 4S Lifepo4 14.6V 16.8V Lithium Ion smart Bluetooth BMS with UART and RS 485 Communication function


1) Application:this smart BMS can work for 4S  Lithium ion or Lifepo4 Battery ,client can choose based on your battery chemistry features
2) Current : constant current of this version BMS can be 20A to 30A
3) Dimension:80*60*10mm
4) Functions : has full sets of protection for Li ion or lifepo4 Battery system
5) Communication type :UART and RS485
6) With Bluetooth Function


Notes: all of our Smart BMS with Bluetooth function will equip a Bluetooth Communication module only , and buyer can choose the PC communication Module separately if needs . please know it kindly in advance ,this BMS order  will be dispatched out within 4~5 days without problems .

1) Characteristics : this is a smart BMS with Bluetooth and PC communication which will be used to protect and monitor your battery status visible from the computer and your android APP phone .
discharge current and charging current .the charge and discharge port is same . Size :80*60*10mm
2) Protection functions :
This BMS has applied with high quality IC chip specially for lithium battery protection purpose .highly detection
precision degree on over-charge,over-discharge,voltage balancing ,and with detection on wires disconnection functions,
with three layers of over-discharge and over-current detections and delay times in detecting process.( Over-current 1,
over current 2,short cicircuit protection ) . short-circuit of charging port ,with two layers protection against over-voltage when charging :
3) With Mobile phone operation software systme to manage the detecting the battery working status and some parameters
setting . also this board can be available for the PC operation and Parameters setting on the computer .
4) This BMS will includes such list :
with one Bluetooth module for Android system only ,4.3Version Above . with wire and connector for the Battery and
Software system of mobile phone will be sent to the buyer .

A. APP display for android mobile phone with Bluetooth Communication module . 

Bluetooth Module

B .With the PC communication Module as Below ,we can set parameter on PC software like this 🙁 client 

can not set the parameter for this BMS , we can set it in according to client demand specification without problems )

please know it kindly in advance .

12V smart Bluetooth BMS

Computer software dispaly

Photo display

Reminds : We will send the detail connection drawings to the client with this product if client needs and this BMS will includes all necessories connectors with wire to make sure client can connect it easily . please follow up it correctly to avoid of any mistake ,above connection is only for simple explaination purpose .
1)Do not apply the PCB which beyonds the specified criterias as above :
2)Sometime , the battery may not discharge when connected this PCB , please connect it to the charge and it can recover to the normal status .
3)The PCB may not work normarly When Mixing cells which were over-discharged or over-charged ,
4) Do not shock this PCB with big static even though the PCB has been designed with anti-stastic protection function.
My distinuished customers : you can contac us through email or skype if you have any further questions with our product
Please choose the shipment way as you like ,you you can consider express delivery way if your order is urgent , but you
should afford the extra freight cost by express delivery .
As post by air ,usually it takes around 20-60 days ,please notice it and do not open the disputes easily before reaching the
contact with us ,we will try our best to solve the problem with our joint efforts .
Return Policy
We guarantee the product from us with a 12 months warranty against defects in quality, but we are not responsible
for buyers’ mistake or wrong handling, our product must be maintained in proper way. If Item is defective and not working
on arrival, please report the item to us within 7 days of receiving the defective product so we can issue a RMA.
Please contact us to request a return authorization. Please include your name, auction number, and reason for return when you
contact us. All items returned must contain all original packaging materials. Please carefully repack the item. Items returned will
be tested and if found defective, the buyer will be shipped a new replacement unit immediately. In the event that a suitable
replacement is not available a refund will be issued.
The return shipment cost should be afforded by buyer if you can not accept our policy ,please do not buy the item from us ,fair deal is importablefor both of us .Feedback
You satisfaction and positive feedback is very importand to us. Pleae leave positive feedback and 5 stars if you are satisfied with our items and services.
If you have any problems with our itmes or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services.

Additional information

Weight N/A
Specification selection

4S lifepo4 20A with Bluetooth Module, 4S lifepo4 30A with Bluetooth Module, 4S Li ion 20A with Bluetooth Module, 4S Li ion 30A with Bluetooth Module, 3S Li ion 20A with Bluetooth Module, 3S Li ion 30A with Bluetooth Module, PC communication module only


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