Battery Management System, Lifepo4 Li-ion BMS

Welcome to learn about XJBMS.

Battery Protection Solutions & ODM OEM Partner.

BMS Manufacturing: From R&D to precision production under ISO 9001 standards.

For over a decade, we have focused on battery management system. We are a manufacturer with a professional R&D team.

Established in 2015.
Professional manufacturer of battery management system.
Factory Located in Dogguan,China.
Exported to over 80+ countries.
Over 5,000 square meters of SMT workshops & testing workshops.
Capacity exceeds 50million pieces of BMS per year.
Support 2-year warranty and technical assistance.

10⁺

years

BMS OEM/ODM
Experience

Quality Compliance

2-year warranty supported. Certified with ISO 9001, CE, RoHS, TUV, SGS, and EN 14582.
Manufacturing Capability

10 SMT lines, dust-free workshop, experienced R&D team, and strict inspection process.
Engineering Team

Response within 24 hours. Software and hardware engineers collaborate on custom designs.
OEM ODM Services

OEM/ODM supported. Customization available based on drawings, sketches, or samples.

15

+

Years OEM/ ODM Experience
5000

+

Factory areas(m2)
100

+

Certificates
10

+

Experienced Engineering Team

Customization Process

We has integrated research and development, manufacturing and sales together.

010203

Product Category

We has integrated research and development, manufacturing and sales together.

Smart BMS
Energy Storage BMS
Hardware BMS
Active Balancer
Car Starting BMS

XJ-F001 GPS BMS RS485 CAN Bluetooth 6S~24S 50A~220A BMS with 2A Active Balance

XJ-F002 4S-20S 30A-120A BMS RS485 UART Bluetooth Balancing NTC Smart Software BMS

XJ-F002A 4S-20S 150A-250A Smart Bluetooth RS485/UART Balance NTC BMS

XJ-F002C 4S-20S 30A-60A Bluetooth RS485/UART Smart BMS for E-bikes

XJ-F005 21S-24S 30A-120A RS485/UART CAN GPS Bluetooth Balance NTC Smart BMS

0102

XJ-SH06 Smart 7S-16S 24V 48V 51.2V 200A BMS with Bluetooth and Balance for Solar Energy Storage Lifepo4/Li-ion battery packs

XJ-SH05 Smart 7S-16S 100A BMS with HD Touch Display Solar Energy Storage Lifepo4/Li-ion battery packs

XJ-SH05-C 16S 100A Lithium Battery Management System with Display & Bluetooth

XJ-CN02 Smart 7S-16S 200A 300A ESS BMS with Wi-Fi Bluetooth Display for Solar Energy Storage Lifepo4/Li-ion battery packs

XJ-CN01 Smart 7S-16S 100A BMS with LCD Display for Solar Energy Storage Lifepo4/Li-ion battery packs

0102

XJ-D038V3 4S-20S 150A-300A Hardware BMS for LifePO4 NMC Sodium Battery with NTC Balance

XJ-D386 4S-25S BMS 12V 48V 100A 150A BMS for Electric Vehicles Lifepo4/Li-ion battery packs

XJ-D301 4S 12V 100A BMS for LifePO4 NMC Battery Management System

XJ-D068 4S-21S 10A-40A BMS for LifePO4 NMC Sodium-ion Na-ion E-motorcycle Battery

XJ-D494 6S-16S 10A-60A BMS Seperate Port NTC Balance Weak Current Switch

XJ-D318 6S-10S 10A-30A BMS for Electric Scooters with Balance NTC Weak Current Switch

XJ-D565 6S-24S 30A-60A LifePO4 Lithium-ion NMC Sodium-ion Battery Management System BMS

XJ-D495 6S-16S 10A-60A Common Port BMS Balance NTC BMS

0102

4S 8S 16S 5A active balancer suitable for 4S 8S 16S NMC/LFP/LTO battery packs

XJ 16S 2A active balancer suitable for 16s NMC/LFP/LTO battery packs

XJ 4S 8S 16S 5A Active Balancer BMS for LifePO4 NMC Li-ion Battery

17S-24S 2A Active Balance BMS for LifePO4 NMC Sodium-ion Battery

9S-16S 2A Active Balance BMS for LifePO4 NMC Sodium-ion Battery

5S-8S 2A Active Balance BMS for LifePO4 NMC Sodium-ion Battery

2S-4S 2A active balancer suitable for 4S NMC/LFP/SIB battery

0102

XJ-D549 8S 150A 200A 250A Car Starting BMS with Balance NTC LFP NMC SIB Battery

XJ-D426 4S 12V 100A/120A BMS Car Start BMS for Lifepo4/Li-ion Battery Packs

XJ-D444 4S 40A 12V Motorcycle Starting BMS LifePO4/NMC Battery

XJ-D378 4S/7S 10A Car Starting Jumper BMS For Electric Vehicles with 10A 12V 24V 500A for Lifepo4 Li-Ion Cells

XJ-D421 4S/8S 10A Sodium Battery Starter Source - Battery Control Board

0102

Application Scenario

XJBMS provides you with a perfect BMS solution for high-performance battery protection!

Electric Tricycle BMS

XJ-D386 4S-25S 50A-150A | XJ-D301 4S 100A

Supports LFP / NMC / SIB, lead-acid to lithium battery.
High continuous working current.
NTC temperature sensor, stable heatsink.
Built-in passive balance.
Stable performance with hardware-optimized, cost-friendly design.

Learn More

XJ-D386 / XJ-D301

Electric Scooters / Bikes BMS

XJ-D203 10S 10A-20A | XJ-D198 13S 10A-25A

10S-13S 10A-30A, same port, split port.
Application to LifePO4, Lithium-ion battery.
With NTC, balance, weak current switch (optional).
Small size, the smallest just 60*32*7.5mm.
More shapes BMS for your choice, hardware or smart.

Learn More

XJ-D203 / XJ-D198

Starter BMS

XJ-D426 4S 120A | XJ-D444 4S 40A

Suitable for LifePO4/NMC/Sodium-ion batteries.
High peak current, 650A~2000A.
With passive balance and NTC protection.
Support connect to active balancer.
Application EVs, motorcycle, car, truck, marine, etc.

Learn More

XJ-D426 / XJ-D444

Electric Power Tools BMS

XJ-D038V3 4S-20S 150A-300A | XJ-D068 4S-20S 10A-60A

Multiple strings numbers and ampers are available.
1S-25S, 1A-300A, for LifePO4, NMC, Sodium-ion.
With balance and temperature protection.
Overcharge, over-discharge, over-current, over-discharge, and short-circuit protection.
Application to electric drills, garden tools, etc.

Learn More

XJ-D038V3 / XJ-D068

01020304

MULTIPLE CERTIFICATE VERIFICATION

Multiple international certifications and patents reflect our leading position in compliance and quality assurance.

01020304050607

what people speak

Douglas Johnson United States

Service： Some of the best service I have ever experienced. Extremely well versed in their products and can customize to your needs. Quality： 100%

Patient Victor Mwagalwa Congo, The Democratic Republic Of The

This is my second time to purchase the BMS from same supplier and same BMS. it works very well and does all what is described. I recommand this product without hesitation.

Viktor Kucherenko,Georgia ESales Representative

I am very satisfied with the product I received. Had quick and accurate answers to all questions. Delivery was fast. Everything was packed and protected. Thanks a lot.

Mawapiwe PLITEYE,Togo ESales Representative

le produits est bon, je l'es branché a mon packs, ça fonctionne bien Avec l'application que le fournisseur ma permis d'installer, j'arrive a bien contrôler le fonctionnement

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latest News

We has integrated research and development, manufacturing and sales together.

Company News

Industry News

How to Protect Battery from Overcharging?

Lithium batteries are the backbone of modern technology—powering everything from portable devices and power tools to electric vehicles (EVs) and energy storage systems. But one of the biggest threats to their safety, performance, and lifespan is overcharging. If you’ve ever wondered how to protect a battery from overcharging, you’re in the right place.

Mar 16 , 2026

Do All Lithium Batteries Have Overcharge Protection?

Lithium batteries power nearly every modern device—from smartphones and laptops to electric scooters, energy storage systems, and power tools. But one question we hear constantly from our customers (and industry newcomers) is: Do all lithium batteries have overcharge protection?

Mar 13 , 2026

What Are the Disadvantages of BMS? (A Guide from a BMS Manufacturer)

If you’re working with lithium-ion batteries—whether for electric vehicles, energy storage systems, portable devices, or industrial equipment—you’ve likely heard of a Battery Management System (BMS). As a professional BMS manufacturer with years of experience, we believe in transparency: a BMS is not a “magic shield”, but it is an indispensable component for safe, reliable battery operation.

Mar 11 , 2026

How to Protect Battery from Overcharging?

Mar 16 , 2026

Do All Lithium Batteries Have Overcharge Protection?

Mar 13 , 2026

What Are the Disadvantages of BMS? (A Guide from a BMS Manufacturer)

Mar 11 , 2026

1. What are your prices?

Depending on supply and other market conditions, our prices could fluctuate. Once your business contacts us for more details, we will send you an updated price list.
2. What is the minimum order quantity (MOQ)?

For standard models, it is 5-10 pieces; for customized BMS, it is contingent upon the actual circumstances.
3. How long is the lead time on average?

The lead time for samples is roughly 3-7 days. Following receipt of the deposit payment, the wait time for mass production is 7-15 days. After we receive your deposit and receive your final clearance for your products, the lead times go into effect. Please discuss your needs with your sale if our lead times conflict with your deadline. We will always make an effort to meet your demands.
4. Can you supply the relevant documentation?

Yes, you can message us to get the BMS model data sheet. Additionally, we are able to provide most of the documentation, including Certificates of Origin, Insurance, Analysis/Conformance, and other export certificates as required.
5. What is the product warranty?

We provide a materials and workmanship warranty. Your satisfaction with our products is our top priority. Whether under warranty or not, our company's ethos is to handle and satisfactorily resolve any customer difficulties.
6. Do you guarantee safe and secure delivery of products?

Yes, we consistently use premium export packaging. Additionally, we employ verified cold storage shippers for temperature-sensitive commodities and specialist hazard packing for hazardous materials. There can be an extra fee for specialized packaging or unusual packing needs.

Welcome to learn about XJBMS.

Quality Compliance

Manufacturing Capability

Engineering Team

OEM ODM Services

Customization Process

Requirement Review

Model Matching

Engineering Evaluation

Price Quotation

Order Confirmation

Production Delivery

Product Category

XJ-F001 GPS BMS RS485 CAN Bluetooth 6S~24S 50A~220A BMS with 2A Active Balance

XJ-F002 4S-20S 30A-120A BMS RS485 UART Bluetooth Balancing NTC Smart Software BMS

XJ-F002A 4S-20S 150A-250A Smart Bluetooth RS485/UART Balance NTC BMS

XJ-F002C 4S-20S 30A-60A Bluetooth RS485/UART Smart BMS for E-bikes

XJ-F005 21S-24S 30A-120A RS485/UART CAN GPS Bluetooth Balance NTC Smart BMS

XJ-SH06 Smart 7S-16S 24V 48V 51.2V 200A BMS with Bluetooth and Balance for Solar Energy Storage Lifepo4/Li-ion battery packs

XJ-SH05 Smart 7S-16S 100A BMS with HD Touch Display Solar Energy Storage Lifepo4/Li-ion battery packs

XJ-SH05-C 16S 100A Lithium Battery Management System with Display & Bluetooth

XJ-CN02 Smart 7S-16S 200A 300A ESS BMS with Wi-Fi Bluetooth Display for Solar Energy Storage Lifepo4/Li-ion battery packs

XJ-CN01 Smart 7S-16S 100A BMS with LCD Display for Solar Energy Storage Lifepo4/Li-ion battery packs

XJ-D038V3 4S-20S 150A-300A Hardware BMS for LifePO4 NMC Sodium Battery with NTC Balance

XJ-D386 4S-25S BMS 12V 48V 100A 150A BMS for Electric Vehicles Lifepo4/Li-ion battery packs

XJ-D301 4S 12V 100A BMS for LifePO4 NMC Battery Management System

XJ-D068 4S-21S 10A-40A BMS for LifePO4 NMC Sodium-ion Na-ion E-motorcycle Battery

XJ-D494 6S-16S 10A-60A BMS Seperate Port NTC Balance Weak Current Switch

XJ-D318 6S-10S 10A-30A BMS for Electric Scooters with Balance NTC Weak Current Switch

XJ-D565 6S-24S 30A-60A LifePO4 Lithium-ion NMC Sodium-ion Battery Management System BMS

XJ-D495 6S-16S 10A-60A Common Port BMS Balance NTC BMS

4S 8S 16S 5A active balancer suitable for 4S 8S 16S NMC/LFP/LTO battery packs

XJ 16S 2A active balancer suitable for 16s NMC/LFP/LTO battery packs

XJ 4S 8S 16S 5A Active Balancer BMS for LifePO4 NMC Li-ion Battery

17S-24S 2A Active Balance BMS for LifePO4 NMC Sodium-ion Battery

9S-16S 2A Active Balance BMS for LifePO4 NMC Sodium-ion Battery

5S-8S 2A Active Balance BMS for LifePO4 NMC Sodium-ion Battery

2S-4S 2A active balancer suitable for 4S NMC/LFP/SIB battery

XJ-D549 8S 150A 200A 250A Car Starting BMS with Balance NTC LFP NMC SIB Battery

XJ-D426 4S 12V 100A/120A BMS Car Start BMS for Lifepo4/Li-ion Battery Packs

XJ-D444 4S 40A 12V Motorcycle Starting BMS LifePO4/NMC Battery

XJ-D378 4S/7S 10A Car Starting Jumper BMS For Electric Vehicles with 10A 12V 24V 500A for Lifepo4 Li-Ion Cells

XJ-D421 4S/8S 10A Sodium Battery Starter Source - Battery Control Board

Application Scenario

Electric Tricycle BMS

Electric Scooters / Bikes BMS

Starter BMS

Electric Power Tools BMS

MULTIPLE CERTIFICATE VERIFICATION

what people speak

latest News

How to Protect Battery from Overcharging?

Do All Lithium Batteries Have Overcharge Protection?

What Are the Disadvantages of BMS? (A Guide from a BMS Manufacturer)

How to Protect Battery from Overcharging?

Do All Lithium Batteries Have Overcharge Protection?

What Are the Disadvantages of BMS? (A Guide from a BMS Manufacturer)

1. What are your prices?

2. What is the minimum order quantity (MOQ)?

3. How long is the lead time on average?

4. Can you supply the relevant documentation?

5. What is the product warranty?

6. Do you guarantee safe and secure delivery of products?