We can ship order out within 3 days normally , and the tracking number will be uploaded to platform within 3 days , please know it kindly
Holidays Notice
Our 2025 Spring festival Holidays will start from Jan 28th to Feb 3th , we can not ship any items during this period ,please arrange your schedule properly so as not take any inconvenience to you ,thanks
Discount Notice
we offered different discount for more than 100USD value above ,you can use this coupons "BMS1" and for more than 500 usd above you can use this coupon ‘BMS2“ For more than 1000 usd above "BMS3"
3S 4S 6S Li ion BMS with 50A constant charge and discharge current for electric tool ,electric vacuum cleaner,electric drill12.6V 16.8V 25.2V Lithium battery PCB
$13.80
Application :This is The BMS for 3S 4S 6S Lithium battery pack with 50A constant constant discharge current ,Which would be applied for Electric tool Li ion Battery , electric vacuum cleaner Battery , Electric vehicle Battery system etc .
Function :This BMS has such basic functions : over-charge protection ,over-discharge protection, over-current protection
Application :This is The BMS for 3S 4S 6S Lithium battery pack with 50A constant constant discharge current ,Which would be applied for Electric tool Li ion Battery , electric vacuum cleaner Battery , Electric vehicle Battery system etc .
Function :This BMS has such basic functions : over-charge protection ,over-discharge protection, over-current protection
, short-circuit protection.
Advantages :This BMS was build with high end Integrated electronic components (High End IC and MOSFET ) ,simple structure design will let it have more stable quality working performance .
Specification reference :
Rated work voltage Between B+ and B- : 30V
Rated constant discharge current : 50A
Peak start Current : Max 100A
Max voltage between P+ and P-: 40V
overcharge detection voltage :4.225±0.025V
Overcharge release voltage :4.005±0.05V
over-discharge detection voltage :2.7V±0.05V
Over-discharge release voltage :2.95±0.05V
Over-current protection current :100±10A
Short Protection current : 100A
Self-consumption current in working process : less than 15uA
Self-consumption current in stand-by Process : less than 2.5uA
Working temperature :-40~85°C
3S 4S 6S Li ion Battery BMS with 50A constant current for electric tool ,electric vacuum cleaner ,electric skateboard etc
Connection instructions :
1. please use short and Bold wire to Connect B- to the Battery negative Port ,and then connect wires to the Battery
at first , then plug connector into the BMS ( wrong connection order will damage the BMS surely )
2. Warning : the wire from B- to battery negative port should be short and bold enough to prevent wrong protection action
from the BMS during charge and discharge ,
P- and P+ wire should use bold wire also , the thin and long wire for connection P+ and P- will have the risk to burn the BMS
please take much attention on these poins kindly
Shipment :
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 .
Transaction terms :
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 importable
for both of us .
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 items 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.