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BMS 4S 8S 16S 12V 24V 48V 100Ah 150Ah 200Ah 250Ah Lithium Li-ion Battery Protection Board with Balance

  • Unit Price: ￥ Negotiable
  • Brand:

  • Origin:

    China

  • Categories:Batteries
  • Validity Period:

    Long Term

  • Published on:

    2021-12-28 12:07

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Company Overview
    Shenzhen Basen Technology Co., Ltd.
    Member Type 
    Corporate Member
    Member Level 
    1st year
    VIP Rating 
    Contact Person：
    basen(Mr.)  
    Chat Now：
    [offline]  
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    [Favorite Company] [Message]
    Telephone：
    Mobile：
    City：
    China
    Address：
    Room 301, Building 4, Pinus Tabulata 1980 Industrial Park, Shenzhen, Guangdong, China
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  • Product Description
  • Company Overview

Product Information

Brand：

 none

Address：

 China

Min.Order：

 none

Supply：

 none

Valid until：

 Long Term

Product Details

Product Introduction

Advantage

1.Use top quality (A-level) protective integrated circuit IC, from the solution of Seiko of Japan.

2.Strong load ability, constant discharge current 18A/25/35A/45A/60A , use high voltage resistance, low inner

resistance power Mosfet. The heat sink will greatly help cooling.

3.IC itself has power balancing function. The circuit is simple and reliable.

4.Typical voltage detection for each cell. So each battery will be prevented over charged or over discharged. Over current and
short circuit protection

function is very reliable.Long time short circuit of the load won’t affect the PCB and the battery.Temperature protection during
charging and discharging.

5.Extreme low power consumption. The consumption of the whole device is less than 50uA.

6.PCB use high anti-corrosion, high water resistance, high impedance ESD conformal Coating
Packing and Shipping
Company Profile
FAQ
FAQ
1.What is the common port and separate port? what is the difference?
We take 13S48V16A BMS as an 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 the same 16A. while the separate port is separately connected by charge
cathode (C-) and discharge cathode (P-), so the charge current and discharge current are different, discharge current 16A, charge
current 8A.

2.What is the balance function?
The working principle and function are as followings, when your one cell voltage is upto alarm voltage(Li-ion upto 4.18V, Life Po4
upto (3.6V), then the cell Balance starts to work, balance resistance starts discharge with 35ma(when balance discharge starts to
work, BMS will starts a little heat up, which is the normal reflection), the cell is in both charging and discharging status, and
others which are not reached to alarm voltage(Li-ion 4.18V, Life Po43.6V)are only in charging status, no discharging, when the
fast cell voltage is reached to alarm voltage (Li-ion 4.25V, Life Po43.75V)BMS starts off power protection, all the other cells
are all in stop of charging, this process will enable your battery charging in balance current, and your battery voltage are in
balance status, but when your cell voltage difference are in a big range, then balance can not be functionning.
well

3.The relationship between Battery capacity and BMS current?
There is no direct relationship between Battery capacity and BMS current, big capacity doesn`t mean a big battery, but rely on
continue current, that is to say if your engine is powerful, your should choose high current of BMS, it is not relied on battery
capacity.

4. What type of charger should I choose?
Lithium battery must choose specific charger, do not use Charger for Leadacid battery, for leadacid charger may have MOS with high
pressure breakdown protection, which will not protect of BMS over charge. Life Po4 battery charger voltage=battery string
No.X3.6V, while Li-ion battery charger voltage=Battery string No.X4.2V.

5. What current BMS should I choose ?
Take 10S36V as an example: what current BMS you choose is relied on your E-bicycle Motor power and current limitation of
controller. eg., choose 16A for below 350W, 25A for below500W, 35A for below 800W, 60A for Below 1000W, higher than 1200W are
contact with our service specialist for suggestions, one inall, continue current shall be higher than current limitation in
Controller.

6. Whether my BMS damaged?
if you want to judge if the BMS is damaged, please take the folowing steps, to test if each cell voltage is the same with
voltmeter? if the cell voltage difference is over 1.0V, the fault is displayed that it cannot run far, no power supply at the
start range, short charge time, all these issues are almost caused by battery cells, if BMS damaged is displyed as no charge, no
discharge, no discharge while the battery has voltage.
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