18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS

China 18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS, Find details about China 18650 3.7V, BMS 4s5a from 18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS

Model NO.
lws-4s7a-01
Metal Coating
Copper
Customized
Customized
Condition
New
Trademark
lws
Transport Package
in: Vacuum Packing/out: Packing: Carton Packing
Specification
fr4
Origin
Shenzhen, Guangdong
HS Code
8536300000
Model NO.
lws-4s7a-01
Metal Coating
Copper
Customized
Customized
Condition
New
Trademark
lws
Transport Package
in: Vacuum Packing/out: Packing: Carton Packing
Specification
fr4
Origin
Shenzhen, Guangdong
HS Code
8536300000

18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS

1. Product description:

PCM Specifications  For 114.8V (4S) Li-ION Battery Packs
LWS-4S7A-01
No.Test   itemCriterion
1VoltageCharging voltageDC:16.8V  CC/CV
Balance voltage for single cell/
2CurrentBalance current for single cell/
Current consumption ≤50μA
Maximal continuous charging current5A
Maximal continuous Discharging current5A
3Over charge ProtectionOver charge detection voltage for single cell4.25±0.025V
Over charge detection delay time8S-13S
Over charge release voltage for single cell4.05±0.05V
4Over discharge protectionOver discharge detection voltage for single cell2.7±0.08V
Over discharge detection delay time50mS-150mS
Over discharge release voltage for single cell3.0±0.1V
5Over current protectionOver current detection voltage0.1±0.025V
Over current detection current10±3A
Detection delay time  5ms-20ms
Release conditioncut load
6Short protectionDetection conditionExterior short circuit
Detection delay time200-500us
Release conditioncut load 
7ResistanceProtection  circuitry(MOSFET)≤20mΩ
8TemperatureOperating Temperature Range-20~+70ºC
Storage Temperature Range-40~+125ºC

18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS
18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS


2.Advantages

1.True lithum battery pack BMS factory
2.Supply OEM/ODM and custom service
3.High quality with smart balance function
4.Wholesale price
5.Environment
5.ISO9001/ISO14001/CE/ROHS certificates
6.Fast delivery

About the battery BMS

Function: Detect and protect the battery from over-charge  ,over-dicharge, over-current short-circuit temperature detecting protection  and auotmatically voltage balance function . Build with high end electronic components (High End IC and MOSFET ) ,simple structure design will let it have more stable quality working performance , Flexible application ( it can be used for less series battery by leaving some connection pins at empty status ),full set of protection measures let it works well without any infulence from external unexpected accidents.

About your products,just tell us the relative voltage/ cells/ current A or equipment etc,we will help to recommend the most suitable products for you.

3.Packing and shipping
18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS
4.Company Information

Shenzhen Li-ion Battery Bodyguard Technology Co.,Ltd. The company has developed a multi-string lithium battery pack protection board, power lithium battery packs balanced protection board and LiFePO4 battery pack the balanced protection board nearly models, product specifications covering the battery assembly in series 1-35 string, working current up to 350A protection of the battery management system, the company's complete product specifications can also be customized according tocustomer requirements.

The company's products are widely used in mobile phone batteries, laptop battery, Tablet PC battery, power tools battery, batteries for electric bikes, electric bus battery, golf cart batteries, and other digital products, spare power supply, etc., product market involves digital products, power in areas such as automotive, energy storage devices,medical equipment and mobile lighting.

*Complete products contract PCB assembly and manufacturing services
*Circuit boards 2 to 30 layers PCB layout,fabrication, PCB assembly and box build
*Active and passive components source is directly from original manufacturer
*Enclosure cabinet case plastic injection molding,mental stamping,manufacture and assembly
*High-precision 0201 size components SMT technology and lead-free
*IC pre-program
*Hight-precision E-Testing
18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS
 

5..Factory

18650 Battery Protect Board 4s5a Li-ion LiFePO4 Battery Packs BMS

6..FAQ

Q: How do I judge what material my battery is ?

A: Please take a look at the battery body.if the normal voltage of your battery shows as 3.2V,the battery will be

LiFePo4.If the normal voltage of your battery shows as 3.6V or 3.7V, the battery will be Li-ion or Li-polymer battery. you can also ask battery manufacturer the material of battery.

Q: Can I use this protection circuit board for my battery?

A: Can use this protection circuit board, or not?

There are 2 questions:How much cells in series is your battery pack?
The protection circuit board you need to buy must be same cells in series as your battery pack.

What material is your battery?
Only the LiFePo4 battery has different electric parameter from other battery, so if you need buy the protection circuit board for LiFePo4 battery , Please let us know firstly.

Q: Do we need cell balance or not?

A: The function of balance : Since battery is made of many pcs of cells in parallel and in series, the cells can't be

the same as no two people in the world is the same , so can only put in group with similar performance is not

consistent , which will lead to each cell voltage is not consistent as well after the completion of the charging if

without balance function

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

(1S-35S Battery PCM for Lithium ion/ LiFePo4/Lithium titanate (LTO) battery pack)