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Product Description
4S 12V BMS Lifepo 4S 12V 80-150A BT Version with Fan BMS Battery Protection Board Note:Pictures displayed only for your reference, BMS Battery Board with same function, they only differs in interface decals color(Black/red/green), we'll send you the BMS battery board with random color decals, please kindly take this into consideration before purchasing. Features: 1. Adopt high-quality (A-level) protection integrated circuit IC of Japanese Seiko solutions. 2. Resistance power Mosfet. The radiator will greatly help cooling. 3. The IC itself has a power balance function. The circuit is simple and reliable. 4. The typical voltage detection of each mobile phone. Therefore, any battery charging or over-discharging will be prevented. The overcurrent and short circuit functions are very reliable. Long-term short-circuit of the load will not affect the PCB and battery. Temperature protection during charging and discharging. 5. Very low power consumption. The power consumption of the whole machine is less than 50uA. 6. The PCB adopts high anti-corrosion, high impedance ESD conformal coating. Specifications: Bluetooth module: Specifications: Product activation Method: Package Includes: 8S 24V BMS Note:Pictures of BMS Battery Protection Board displayed only for your reference, BMS Battery Board with same function, they only differs in interface decals color(Black/red/green), we'll send you the BMS battery board with random color decals, please kindly take this into consideration before purchasing. Features: 1. Adopt high-quality (A-level) protection integrated circuit IC of Japanese Seiko solutions. 2. Resistance power Mosfet. The radiator will greatly help cooling. 3. The IC itself has a power balance function. The circuit is simple and reliable. 4. The typical voltage detection of each mobile phone. Therefore, any battery charging or over-discharging will be prevented. The overcurrent and short circuit functions are very reliable. Long-term short-circuit of the load will not affect the PCB and battery. Temperature protection during charging and discharging. 5. Very low power consumption. The power consumption of the whole machine is less than 50uA. 6. The PCB adopts high anti-corrosion, high impedance ESD conformal coating. Specifications: #Bluetooth module Specifications: Product activation Method: Pls refer to following link to understand bluetooth set up by APP. Package includes: 1*Bluetooth module FAQ Q: How do I know what material OR type my battery is ?
For our smart bms,when first use,need to activate first,then B- P- can be conductive,voltage from P- can be same from B-, then BMS can work well.
Method ①: there is an activation switch on the board and click the button.
Method ②: Press the button on the bluetooth module to activate the bms directly.
Method ③: Charge activation, B-line must be connected to the total negative pole of the battery pack when
https://www.dalyelec.cn/newsshow.php?cid=24&id=74&lang=1
A:
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 Li-polymer battery, You can
also ask battery manufacturer for the material of battery.
Q: Is this BMS suit for my battery?
A: This BMS suit your battery or not depends on below 2 points:
How many series you cell is in your battery pack? The BMS you buy must be same series as your battery pack.
What
material your battery is? Only the LiFePo4 battery has different
electric parameter from other battery, so if you need buy the BMS for
LiFePo4, Please let us know firstly.
Q: What is the Common port and Separate port? what is the difference?
A: We take 13S 48V16A BMS as example:
Common
port 16A means your charge cathode and discharge cathode are connected
in the same point end (our P-), charge cathode and discharge cathode
are used in the common connection port, so the charge current and
discharge current are same as 16A.
Separate port is separately
connected by charge cathode (our C-) and discharge cathode (our P-), so
the charge current and discharge current are different, discharge
current is 16A, charge current is 8A.
Q: What is the balance function?Do we need cell balance or not?
A: The working principle and function are as followings:
When
your one cell voltage was reached balance voltage(Li-ion 4.18V, LifePo4
3.6V), that cell balance start work, balance resistance starts
discharge with 35mA, that cell was in both charging and discharging
status, and other cells were not reached balance voltage(Li-ion 4.18V,
Life Po43.6V), so they are only in charging status, when the fast cell
voltage was reached overcharge voltage (Li-ion 4.25V, Life
Po4 3.75V),BMS starts off power protection, all the cells are stop
charging, this process will enable your battery charging in balance
current, and your battery voltage are in balance status.
However, if
your cell voltage difference are in a big range, The equilibrium effect
is almost zero,The solution is to replace cells with large voltage gaps.
Q: The relationship between battery capacity(AH or mAH) and BMS current(A)?
A:There is
no direct relationship between battery capacity and BMS current, big
capacity doesn't mean big current, but rely on continue current, that is
to say if your engine is powerful, you should choose high current of
BMS, it is not relied on battery capacity.
Q: What type of charger should i choose?
A:
Lithium battery must choose specific charger, don't use charger for
leadacid battery, for leadacid charger may have MOS with high pressure
breakdown protection, which will not protect of BMS over charge. LiFePo4
battery charger voltage = number of battery strings X 3.6V, while
Li-ion battery charger voltage = number of battery strings X 4.2V.
Q: What current BMS should I choose ?
A: Take 10S 36V as example:
What
current BMS you choose is depend on your E-bicycle motor power and
current limitation of controller,eg.16A for 350W and below, 25A for 500W
and below, 35A for 800W and below, 60A for 1000W and below, over 1200W
are contact with our service specialist for suggestion, continue
current shall be higher than current limitation in controller.
Q: Do you have Minimum Order Requirement (MOQ)?
A:
No, we don't have MOQ. different customer have different requirement
,we can provide various capacity and size as per your requirements, also
ODM / OEM is welcome.
Q: What is your term of payment?
A: PayPal, T/T, L/C,Western Union and so on, everything can be talk.
Q: How to contact for BMS?
A: Please send messages at below or E-mail us and we are always glad to help you with BMS.
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We Ship to Worldwide.
Item are shipped from shenzhen,China via epacket or China Post, which will take around 10 to 20 business days to deliver in some developed countries like Europe & America (Most area) and to Other countries:15-60 business days.
Delivery time depends on destination and other factors, it may takes up to 20 business days.
1. We stand behind every product we sell. If you're not pleased with your purchase, please kindly contact our customer service representatives via email or ebay "Contact seller"
2. Buyer is responsible for return costs 30 days replacement or money back as you like. Buy with confidence!
3. If you are not satisfied with the item you received, please contact us and then return it within 30 days.You will get a replacement or money back after item returned to our warehouse.
4. If item is defective, you can contact us and send it back to us. We will send a new one to you after receiving the defective item. But you have to pay the extra shipping fee.
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4.We will reply you within 24 hours.