Mode | LWS-S4-16S50A |
PCM Size | L150W75*T15 mm |
battery series | 16S Available |
working current | 50Available |
Usage(Cell Type) | Li-ion battery packs (59.2V/cell) LiFePO4 battery packs (51.2V/cell) |
Application | Ebike, Solar products, etc |
Sample | available |
LWS is a famous Active balance 6S 50A Battery Management System for 19.2V 22.2V Li-ion/LiFePO Battery manufacturers and suppliers in China. We are proud of the products made in China. Our products are both customized and high quality. Besides, we have our own brands and we also have CE certification. You can buy Active balance 6S 50A Battery Management System for 19.2V 22.2V Li-ion/LiFePO Battery with reasonable price from our factory. If you are interested in our products, we will provide you price list and quotation.
1.Highly integrated analog front end (TI analog front End)
2.Isolated power supply circuit
3.Automatic balancing and configurable
4.Parameters can be adjusted and set
5.Short circuit current and time can be configured
6.High voltage accuracy (≤20mV)
7.High current accuracy (≤2%@FS)
8.SOC /SOH estimation with accuracy up to 5%
9.Two-level low power consumption, minimum power consumption of 5uA, can be shut down to protect the battery
10.Firmware upgrade, Internet of things
51.2V(16S)Specification of LFP battery pack protection board | |||||||
product model | LWS-16S200A-877 | ||||||
Item | Min | Max | Type | Unit | |||
Normal working voltage | 12.5 | 60 | 48 | V | |||
Normal charging voltage | 18 | 60 | 57 | V | |||
Working temperature range | -20 | 70 | 25 | ºC | |||
Working humidity range | 10 | 85 | / | % | |||
Continuous charging current | / | 200 | / | A | |||
Continuous discharge current | / | 200 | / | A | |||
Discharge output internal resistance | / | <10 | / | m | |||
Normal operating power consumption | 10 | 25 | 15 | mA | |||
Total power consumption in sleep state | 20 | 60 | 40 | uA | |||
Operating power consumption | / | / | / | uA |
List of default alarm parameters for battery pack | |||||||
No. | Battery working status | Data | Action value | Action recovery value | Unit | (ms) Action delay time | (ms) Action recover delay time |
1 | Charge | Total voltage | 3.5 × N | 3.45 × N | V | 1000 | 1000 |
2 | Charge | Single voltage | 3.5 | 3.45 | V | 2000 | 2000 |
3 | Charge | The 1st over current detection current | 100 | A | 4000 | 1000 | |
4 | Charge | The 2nd over current detection current | 100 | A | 300 | 1000 | |
5 | Charge | Cell high temperature | 55 | 50 | C | 4000 | 4000 |
6 | Charge | Cell under temperature | 2 | 3 | C | 4000 | 4000 |
7 | Charge | Ambient high temperature | 60 | 55 | C | 4000 | 4000 |
8 | Charge | Ambient under temperature | -10 | 0 | C | 4000 | 4000 |
9 | Charge | MOS MOS high temperature | 90 | 85 | C | 4000 | 4000 |
10 | Charge | Total voltage | 2.6 × N | 2.7 × N | V | 1000 | 1000 |
11 | Charge | Cell voltage | 2.6 | 2.7 | V | 2000 | 1000 |
12 | Charge | The 1st over current detection current | 100 | A | 4000 | 1000 | |
13 | Discharge | The 2nd over current detection current | 100 | A | 300 | 1000 | |
14 | Discharge | Cell high temperature | 55 | 50 | C | 4000 | 4000 |
15 | Discharge | Cell under temperature | 2 | 3 | C | 4000 | 4000 |
16 | Discharge | Ambient high temperature | 60 | 55 | C | 4000 | 4000 |
17 | Discharge | Ambient under temperature | -10 | 0 | C | 4000 | 4000 |
18 | Discharge | MOS MOS high temperature | 90 | 85 | C | 4000 | 4000 |
19 | Any state | Cell voltage difference | 0.45 | 0.3 | V | 1000 | 1000 |
20 | Any state | Cell temperature difference | 8 | 3 | C | 5000 | 5000 |
21 | Any state | SOC Low SOC | 3 | 5 | % | 1000 | 1000 |
List of battery pack default protection parameters | |||||||
No. | Battery working status | Data | Action value | Action recovery value | Unit | (ms) Action delay time | (ms) Action recover delay time |
1 | Charge | Total voltage | 3.65× N | 3.6 × N | V | 1000 | 1000 |
2 | Charge | Cell voltage | 3.65 | 3.6 | V | 1000 | 1000 |
3 | Charge | 1 The 1st over current detection current | 100 | A | 4000 | 4000 | |
4 | Charge | 2 The 2nd over current detection current | 150 | A | 300 | 300 | |
5 | Charge | Cell high temperature | 60 | 55 | C | 4000 | 4000 |
6 | Charge | Cell under temperature | 0 | 3 | C | 4000 | 4000 |
7 | Charge | Ambient high temperature | 65 | 60 | C | 4000 | 4000 |
8 | Charge | Ambient under temperature | -20 | -15 | C | 4000 | 4000 |
9 | Charge | MOS MOS high temperature | 95 | 90 | C | 4000 | 4000 |
10 | Discharge | Total voltage | 2.3 × N | 2.5 × N | V | 1000 | 1000 |
11 | Discharge | Cell voltage | 2.3 | 2.5 | V | 1000 | 1000 |
12 | Discharge | The 1st over current detection current | 100 | A | 4000 | 4000 | |
13 | Discharge | The 2nd over current detection current | 150 | A | 300 | 300 | |
14 | Discharge | Cell high temperature | 60 | 55 | C | 4000 | 4000 |
15 | Discharge | Cell under temperature | 0 | 3 | C | 4000 | 4000 |
16 | Discharge | Ambient high temperature | 65 | 60 | C | 4000 | 4000 |
17 | Discharge | Ambient under temperature | -20 | -15 | C | 4000 | 4000 |
18 | Discharge | MOS MOS high temperature | 95 | 90 | C | 4000 | 4000 |
19 | Any state | Cell voltage difference | 0.8 | 0.5 | V | 1000 | 1000 |
20 | Any state | Cell temperature difference | C | 5000 | 5000 | ||
21 | Any state | SOC LOW SOC | % | 1000 | 1000 |
Electric Switch, Temperature Switch, Passive Balance, Active Balance, 5V output, NTC,bluetooth UART/BT/RS485/CAN communication/LCD dispay and etc., if you need any above accessories, please must to contact our sales fisrt. All items could be customized to your requirements,if without any requests after order placed, we will produce as specification in details page. |
Shenzhen Li-ion Battery Bodyguard Technology Co.,Ltd was founded in 2013. We provide Battery PCM &BMS for Lithium ion,LiFePo4,LTO battery pack and ODM & OEM services.Since established, we have designed more than 900 types of hardware PCM/BMS, and software BMS including HDQ/12C/SMBUS/ RS485/RS232 & Bluetooth and so on. Mainly covers battery assembly 1S-35S in series, working current up to 350A; the products arewidely used in light ,power tool, electric bicycle,medical equipment, EV application ....etc. Li-ion Battery Bodyguard Technology Co., Ltd has passed ISO 9001(2015) certification.We were also awarded High Technology Expertise (HNTE) in 2018. The spirit of "honesty, credibility first" business principle, fast delivery time, competitive price ,high-quality products & services have got us many customer's affirmation.And because of that, our products have been sold to not only Germany, France, the United States, Australia, India, South Korea, Japan but also other countries and regions. As a professional BMS designer and manufacturer, we are willing to support, help every client to open new markets and extend new business. Meet us, Meet reliablility, Meet our mutual development! |
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: who are we?
A: We are based in Guangdong, China, start from 2013.
There are total about 40 employees in our company.
Q:How can we guarantee quality?
A: Always a pre-production sample before mass production;
Always final Inspection before shipment;
Q:.what can you buy from us?
A:Battery Pack BMS,Lifepo4/Lithium Ion PCM,Protection Circuit Board,Print Circuit Board,
Lifepo4/Lithium Ion Battery Pack.
Q:. why should you buy from us not from other suppliers?
A:The company has advanced production equipment and comfortable office environment,
employees hundreds of people. The company Has a complete, scientific quality management system,
and the importance of quality and environmental philosophy.
Q: what services can we provide?
A:Accepted Delivery Terms: FOB,EXW;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,PayPal,Western Union,Cash;
Language Spoken:English,Chinese
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.