China factories

Chat Now Send Email
China factory - Shenzhen Vats Power Source Limited

Shenzhen Vats Power Source Limited

  • China,Shenzhen ,Guangdong
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for
China CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for

  1. China CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for
  2. China CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for
  3. China CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for

CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for

  1. MOQ: 3
  2. Price: CN¥6.76-10.35
  3. Get Latest Price
Battery Size 4*25*40mm
Weight 8g
Type Li-polymer
Voltage 3.7V
Capacity 400mAh
Charge Voltage 4.2V
Cut-off Voltage 2.75V
Std. Charging 0.2C
Max. Charging 1.0C
Max Discharge 1.0C
Anode Material LCO
Charging Ratio 1C
Discharge Rate 1C
Operating Temperature -20~60°C
Self-discharge Rate <3% monthly
Brand Name VATS Battery or Netural
Model Number 402540
Place of Origin Guangdong, China

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

Battery Size 4*25*40mm Weight 8g
Type Li-polymer Voltage 3.7V
Capacity 400mAh Charge Voltage 4.2V
Cut-off Voltage 2.75V Std. Charging 0.2C
Max. Charging 1.0C Max Discharge 1.0C
Anode Material LCO Charging Ratio 1C
Discharge Rate 1C Operating Temperature -20~60°C
Self-discharge Rate <3% monthly Brand Name VATS Battery or Netural
Model Number 402540 Place of Origin Guangdong, China
High Light 3.7V 400mAh Lithium Polymer Battery402540 Size Lipo BatteryCE Certified Li-polymer Battery Pack
CE Lithium Polymer Battery 3.7V 400mAh 402540
High-quality CE certified lithium polymer battery designed for humidifiers and beauty instruments. This 3.7V 400mAh 402540 model offers reliable power with advanced safety features.
402540 Lithium Polymer Battery - Front View402540 Lithium Polymer Battery - Side View
Product Specifications
Product NamePolymer Lithium BatteryModel402540
Voltage3.7VCapacity400mAh
Charge Voltage4.2VCut-off Voltage2.75V
Std. Charging0.2CMax. Charging1.0C
Warranty12 MonthsCertificationISO9001/CE
ApplicationBeauty InstrumentSamplesSupport free samples
Related Battery Products
Battery Quality Features
  • Grade A cells ensuring high and full capacity performance
  • Dual IC chip protection against over-charge, over-discharge, over-current, and short circuits
  • Injection technology for enhanced battery stability
  • Long life cycle for extended product durability
Technical Characteristics
  • Customizable sizes, models and capacities with thickness range from 1 to 12mm
  • Wide capacity range from 15-10000mAh
  • Built-in BMS or PCB protection for over-charge and discharge safety
  • Lightweight design: 1/3 weight of lead acid batteries, 70% size/weight of Ni-MH/Ni-Cd batteries
  • Customizable voltage, capacity, and mating plug/connector options
  • Wide operating temperature range: -20°C to 60°C
  • Steady performance with high power output and low self-discharge rate (<3% monthly)
  • No memory effects with highly efficient charging capability
  • Environmentally friendly green product with no pollution
  • Short delivery times with comprehensive service support
Packaging & Shipping
We offer multiple shipping options to meet your needs:
  • HK UPS: 4-6 days delivery
  • Air Cargo: 7-10 days delivery
  • Sea Shipment: Approximately 1 month delivery
With 10 years of experience and trustworthy forwarder partners, we can arrange sea, air, and express transportation efficiently.
Battery Packaging and Shipping Process
Application Areas
Battery Application Examples
  • Civil consumption: digital cameras, MP3/MP4 players, PDA, electronic dictionaries, e-book readers
  • Electric tools: saws, electric drills, and power tools
  • Small household appliances: portable vacuum cleaners, electric mops
  • Electric toys: remote control toys, model boats and ships
  • Electric vehicles: electric bicycles and cars
  • Lighting: emergency lights, solar lights, LED lights
  • Beauty and health care: electric beauty devices, hairdressing tools
  • Medical devices: portable electronic medical equipment, hearing aids
  • Other applications: instruments, GPS devices, access control systems
Our Certifications
Company Quality Certifications
Company Information
VATS Battery Company FacilityVATS Battery Manufacturing Process
Our Services & Strengths
  • ISO9001:2015 certified factory with strict environmental controls
  • Comprehensive quality assurance using high-quality materials and 100% production inspection
  • Professional R&D center offering customized size, capacity, PCM, wires and connectors
  • Low MOQ with strong production capacity and fast dispatch options
  • Authorized international certifications meeting global standards
  • Excellent service system with quick response times and 12-month warranty
Production Process - Workshop
Battery Production Workshop - Water Purification SystemBattery Production Workshop - Cell Manufacturing
Our facilities include water purification systems, research & test labs, plate workshops, cell workshops, capacity grading stations, and PACK workshops.
Production Process - Equipment
Battery Manufacturing Equipment - Mixing and CoatingBattery Manufacturing Equipment - Formation and Winding
Advanced equipment including mixing LDH-60L, coating machines, calenders, formation/capacity grading systems, auto-injection machines, and winding cell equipment.
Customization Services
We specialize in custom battery solutions. Contact us directly to confirm necessary parameters for a customized battery design.
  • High standard quality management system with ISO9001:2015 and TUV-UL depth certification
  • We provide not only batteries but also comprehensive solutions for our customers
Custom Battery Solutions
Why Choose Us
Benefits of Choosing VATS Battery
Frequently Asked Questions
Q: How about the warranty of li-ion batteries?
A: Warranty of li-ion battery can be as long as 1 year.
Q: Do you have current sample in stock?
A: We usually have stock for battery cells. For battery packs, we can finish samples quickly once order is confirmed.
Q: Can I have a sample order?
A: Yes, we welcome sample orders and offer OEM/ODM services with customization available.
Q: What's the delivery time for mass production?
A: Usually 25-30 days, depending on quantity, material, and battery cell model.
Q: What kind of certificates could you provide for the battery?
A: We can apply for CE, UL, UN38.3 and other certificates. Certificate fees apply for custom designs.
Q: What is your quality control process?
A: We are ISO9001 certified and perform 100% inspection on all batteries before delivery.
Quick Response Contact
Contact: Lynn
Mobile/Skype/Whatsapp/Wechat: +86 13476615395
Tel: 86-0755-86909458
Web: www.vatsbattery.com
Contact VATS Battery for Inquiries

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2011

  • Total Annual:

    70,000,000-90,000,000

  • Employee Number:

    68~172

  • Ecer Certification:

    Verified Supplier

.gtr-container-7f2e1a { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 16px; max-width: 100%; box-sizing: border-box; overflow-x: hidden; } .gtr-container-7f2e1a .gtr-title-7f2e1a { font-size: 18px; font-weight: bold;... .gtr-container-7f2e1a { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 16px; max-width: 100%; box-sizing: border-box; overflow-x: hidden; } .gtr-container-7f2e1a .gtr-title-7f2e1a { font-size: 18px; font-weight: bold;...

+ Read More

Get in touch with us

  • Reach Us
  • Shenzhen Vats Power Source Limited
  • 1A 702, Huaqiang Creative Industrial Park, Biyan Street, Guangming District, Shenzhen, Guangdong Province,China
  • https://www.battery-vats.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement