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Lithium Polymer Battery

Lithium Polymer Battery Pack

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Lithium Polymer Battery Pack
Created with Pixso. CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments
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CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments

Brand Name: VATS Battery or Netural
Model Number: 402540
MOQ: 3
Price: CN¥6.76-10.35
Detail Information
Product Description
Detail Information
Place of Origin:
Guangdong, China
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
Highlight:

3.7V 400mAh Lithium Polymer Battery

,

402540 Size Lipo Battery

,

CE Certified Li-polymer Battery Pack

Product Description
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.
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 0CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 1
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
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 2
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.
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 3
Application Areas
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 4
  • 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
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 5
Company Information
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 6CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 7
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
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 8CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 9
Our facilities include water purification systems, research & test labs, plate workshops, cell workshops, capacity grading stations, and PACK workshops.
Production Process - Equipment
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 10CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 11
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.
  • Alibaba Credit Guarantee Supplier
  • 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
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 12
Why Choose Us
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 13
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: Caroline Yong
Mobile/Skype/Whatsapp/Wechat: +86 15889670413
Tel: 86-0755-86909458
Web: www.vatsbattery.com
CE Certified 3.7V 400mAh Lithium Polymer Battery Lipo Battery 402540 Size for Humidifier and Beauty Instruments 14
Tags: 

Li Ion Battery Pack  

Rechargeable Lithium Battery Pack  

Lithium Ion Battery Pack

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