13S 48V Li ion battery BMS with 30A constant current and On off switch Balance function for electric bike or Bicycle battery Rear rack box or others

$22.30

 This is a high end protection circuit board developed by us by considering all factors which would has 

possiblity to damge the BMS . it has full set of protection than other normal PCB board . the Dimension of 

this Board is :42*90*9mm , which can be applied widely on Electric bike or Electric scooter vehicles etc or 

other 13S 48V Li ion Battery field . it has the different charge and discharge port with 5A rated Constant 

charge current . 

1) This Board has adopted with integrated chip managment solution with less quality risk and more stable working performance

2) Working current is 30A constant current ,and this Board can be made with 50A constant current , please contact us if needs

3) With weak electricity switch to control the discharge to prevent the drain of current during work-off time ( this BMS’s On/OFF switch

will cut-off the power consumption and output from all connection port , it will leave your battery at good status during work off time without

power consumption)

4) With charge port protection function ,no voltage from the charge port  when disconnected with charge , O voltage output from

the charge port .and with reverse connection protection function when user mixed the polarity of the charger ,it would not damage the

BMS

5) With Balance function and over-charge ,over-discharge , over-current protection ,short protection ,High temperature protection function ,

with 5V USB connection connector on the BMS .

6) with MCU   controlling processing for charge current  limitation .( when the current exceeded the rated charge current , the BMS will cut

off the charge so as to prevent any wrong charger to damge the BMS accident .

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SKU: LLT13S0301V2 Category:

Description

Briefly descriptions

 This is a high end protection circuit board developed by us by considering all factors which would has 

possiblity to damge the BMS . it has full set of protection than other normal PCB board . the Dimension of 

this Board is :42*90*9mm , which can be applied widely on Electric bike or Electric scooter vehicles etc or 

other 13S 48V Li ion Battery field . it has the different charge and discharge port with 5A rated Constant 

charge current . 

Features and characteristics:

1) This Board has adopted with integrated chip managment solution with less quality risk and more stable working performance

2) Working current is 30A constant current ,and this Board can be made with 50A constant current , please contact us if needs

3) With weak electricity switch to control the discharge to prevent the drain of current during work-off time ( this BMS’s On/OFF switch

will cut-off the power consumption and output from all connection port , it will leave your battery at good status during work off time without

power consumption)

4) With charge port protection function ,no voltage from the charge port  when disconnected with charge , O voltage output from

the charge port .and with reverse connection protection function when user mixed the polarity of the charger ,it would not damage the

BMS

5) With Balance function and over-charge ,over-discharge , over-current protection ,short protection ,High temperature protection function ,

with 5V USB connection connector on the BMS .

6) with MCU   controlling processing for charge current  limitation .( when the current exceeded the rated charge current , the BMS will cut

off the charge so as to prevent any wrong charger to damge the BMS accident .

Specification

Items             Content   Parameters
Charge voltage CC to CV 54.6V
Over charge Protection Over charge detection voltage with single cell

 

4.25±0.025V
Over charge detection delay time 1±0.5S
Over charge release voltage with single cell 4.05±0.05V
Over discharge protection Over discharge detection voltage 2.75±0.08V
Over discharge detection delay time 1±0.5S
Over discharge release voltage 2.8±0.10V
Over current protection

 

Over current detection current 90A±10A
Over-current detection delay time 400±50mS
Short current protection Short circuit detection current 250±50A
Short circuit detection delay time 100-600uS
Over current recovery

 

Over current & short current release Load disconnection
Constant current Constant charge current 5A
Constant  discharge current 30A (Can also be made with 50A current )
Balance Balance start voltage  4.18V
Balance current  40mA~50mA
High temperature protection  Over-charge protection temperature degree

 

70±5 degree
Size (L*W*T)mm  42*90*9mm
Others Additional Functions  With On/OFF switch , High temperature detection probe , and Charge port protection function ,with 5V USB connector and power indicator connector

Photo display

48V Li ion Battery Protection circuit board with 30A current with ON off switch for electric rear rack battery BMS

 

13S li ion 54.6V Battery PCB board
Electric bike rear rack Battery BMS 48V with 30A constant current

13S li ion Battery BMS


Display of 54.6V Lipo Battery BMS connection

Connection diagram Border

Connection diagram of 54.6V PCB Board

Please contact us if you need any helps on making connection ,we will help you fully without problems .
shipment
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 0.2 kg
Dimensions 13 x 10 x 15 cm
Specification

13S li ion 30A

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