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Address：	China
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Valid until：	Long Term

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Product Description

Product Name	Lifepo4 16S 48V 250A smart BMS
Size	221mm×130mm×32mm
Delivery Time	5-15days
MOQ:	1pc
Package	Antistatic bag,EVA,bubble pack

Our BMS are mainly used in li-ion power batteries and energy storage lithium vattery.Widely used in electric
scooter,e-bike,tourist sightseeing vihide,electric tricycle,low speed ev,emegency UPS,solar street light,RV & Home energy storage ect.

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 200A, 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

◆ Below accessary need you to buy separately.

1.USB to UART Cable 2.USB to RS485 Cable 3. Bluetooth module 4.Power display panel
(key activation) 5.BMS touch control screen

1. DL4S 12V Smart BMS 150A 200A 250A bms can be used to 4S Li ion or LiFePO4 or LTO
battery pack. Customer can adjust the paramter of overcharge or overdischarge the parameter sitting & other parameter if customer need to use which type battery for the same series battery.

Attention:

Customer need to identify the battery's series, then choose the same series BMS. Such as your battery is 24S, you must choose 24S BMS, can not choose 20 or other one. The number of series of
BMS is fixed ,not adjustable once the BMS is shipped out .

◆Control instructions: remote control device monitoring.

◆Vehicle icon: data transmission send command

◆Statistical report: Collect the data information, the customer can monitor the battery capacity &
other alarm infomation.

◆Electronic fence: fence setting limit range.

◆Device information: device parameter information, etc.

The information on your battery can be checked on your host computer, then you can monitor your battery status anytime. Which is easly control your device. Smart BMS make our life to become easy.

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Company Introduction

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 Po4up to (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.

Feel free to contact me 24H/7days for any inquiry or questions. It is pleased to serve you!
Skyep ID: sales1@szbolang.cn
E-Mail: sales1@szbolang.cn

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Business Type	Trading Company	Country / Region	Guangdong, China
Main Products	charger, battery, power supply, battery pack	Total Employees	11 - 50 People
Year Established	2018	Certifications	-
Product Certifications	-	Patents	-
Trademarks(1)	NITECORE

Accepted Payment Currency	USD
Accepted Payment Type	T/T, PayPal, Western Union
Nearest Port	SHENZHEN

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No. of Employees in Trade Department	11-20 People
Average Lead Time	5