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Lithium Polymer Battery

Lithium Polymer Battery Pack

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Lithium Polymer Battery Pack
Created with Pixso. China 401425 Size 3.7V 110mAh Lithium Polymer Battery for Headset and Wearable Devices
China 401425 Size 3.7V 110mAh Lithium Polymer Battery for Headset and Wearable Devices
  • Name
  • Name
  • Name
  • Name
  • Name

China 401425 Size 3.7V 110mAh Lithium Polymer Battery for Headset and Wearable Devices

Brand Name: VATS Battery or Netural
Model Number: 401425
MOQ: 4
Price: CN¥6.76-10.28
Detail Information
Product Description
Ratings & Reviews
Detail Information
Place of Origin:
Guangdong, China
Certification:
CE
Battery Size:
4.0*14*25mm
Weight:
2g
Type:
Li-polymer
Voltage:
3.7V
Capacity:
110mAh
Charge Voltage:
4.2V
Cut-off Voltage:
2.75V
Std. Charging:
0.2C
Max. Charging:
1.0C
Max Discharge:
1.0C
Anode Material:
LCO
Operating Temperature:
-20~60°C
Self-discharge Rate:
<3% Monthly
Thickness Range:
1-12mm
Capacity Range:
15-10000mAh
Highlight:

3.7V 110mAh Lithium Polymer Battery

,

401425 Size Li-polymer Battery

,

Headset Application Polymer Lithium Ion Battery

Product Description
401425 Polymer Lithium Ion Battery - 3.7V 110mAh
High-quality polymer lithium ion battery specifically designed for headsets and wearable products, featuring excellent performance and reliability.
401425 Polymer Lithium Battery Product Image
Product Name Polymer Lithium Battery Model 401425
Voltage 3.7V Capacity 110mAh
Charge Voltage 4.2V Cut-off Voltage 2.75V
Std. Charging 0.2C Max. Charging 1.0C
Warranty 12 Months Certification ISO9001
Application Wearable Product Samples Support free samples
Related Polymer Lithium Battery Products
Battery Quality Standards
  • Grade A cells ensuring high and full capacity performance
  • Dual IC chip protection against over-charge, over-discharge, over-current, and short-circuit
  • Injection technology for enhanced battery stability
  • Long life cycle design
Product 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
  • Full customization available for voltage, capacity, connectors, and mating plugs
  • 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 Options
We offer multiple transportation methods to suit your needs:
  • HK UPS Express: 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 ensure reliable shipment arrangements.
Battery Packaging and Shipping Process
Application Areas
Polymer Battery Applications Diagram
  • Civil consumption: digital cameras, MP3/MP4 players, PDAs, electronic dictionaries, e-book readers
  • Electric tools: saws, electric drills
  • Small household appliances: portable vacuum cleaners, electric mops
  • Electric toys: remote control toys, model boats
  • Electric vehicles: electric bicycles, electric cars
  • Lighting categories: emergency lights, solar lights, LED lights
  • Beauty and health care: electric beauty devices, hairdressers
  • Medical devices: portable medical devices, hearing aids, electric wheelchairs
  • Other applications: GPS devices, high temperature power systems, access control systems
Quality Certifications
Battery Quality Certification Documents
Company 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 supporting OEM and ODM customization
  • Low MOQ with strong production capacity and fast dispatch
  • Authorized international certifications for most models
  • Excellent service system with quick response and 12-month warranty
Production Process - Workshop
Water Purification System
Water Purification System
Research & Test Laboratory
Research & Test
The Plate Workshop
The Plate Workshop
The Cell Workshop
The Cell Workshop
Capacity Grading Process
Capacity Grading
PACK Workshop
PACK Workshop
Production Process - Equipment
Mixing LDH-60L Equipment
Mixing LDH-60L
Coating Equipment
Coating
Calender Equipment
Calender
Formation/Capacity Grading Equipment
Formation/Capacity Grading LJ-5512P-2
Auto-Injection Equipment
Auto-Injection
Winding Cell Equipment
Winding Cell
Customization Services
We specialize in custom battery solutions. If our standard designs don't meet your requirements, contact us to discuss your specific parameters for a tailored solution.
Our professional production process and brand manufacturer partnerships ensure reliable custom battery solutions.
  • High standard quality management system with ISO9001:2015 and TUV-UL certifications
  • Comprehensive battery solutions provider beyond just product supply
Custom Battery Solutions
Frequently Asked Questions
Q: How about the warranty of li-ion batteries?
A: Warranty for li-ion batteries is up to 1 year.
Q: Do you have current sample in stock?
A: We typically stock battery cells, while battery packs require assembly based on specific customer requirements. We can quickly produce samples once orders are confirmed.
Q: Can I have a sample order?
A: Yes, we welcome sample orders for quality testing. Customization, OEM, and ODM services are available.
Q: What's the delivery time for mass production?
A: Typically 25-30 days, depending on quantity, materials, and battery cell model. Delivery times are assessed case by case.
Q: What kind of certificates could you provide for the battery?
A: For standard 3.7V li-po batteries, we have multiple certifications. For custom designs, we can apply for CE, UL, UN38.3 and other certificates with applicable fees.
Q: What is your quality control process?
A: We are ISO9001 certified and strictly follow ISO procedures with 100% inspection before delivery.
Contact Information
Contact: Lynn
Mobile/Skype/Whatsapp/Wechat: +86 13476615395
Tel: 86-755-86909458
Web: www.vatsbattery.com
Battery Company Contact Information
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

M
Markus K.
Germany May 15.2026
Helpful (45)
Ich war anfangs echt ein bisschen skeptisch, weil man im Netz ja viel zu hören bekommt, wenn es um Li-Polymer-Akkus geht. Aber der originale E66 Akku hier? Junge, Junge... das Teil ist ein Biest! Ich habe die Zelle jetzt seit ein paar Wochen in meinem DIY-Solar-Projekt verbaut und ausgiebig getestet. Was soll ich sagen: Die 66ah sind absolut real, kein Fake-Wert! Die Kapazität ist stabil, die Spannung von 3.7V bleibt auch unter Last super konstant und das Teil wird beim Laden kaum handwarm. Man merkt einfach sofort, dass die Verarbeitungsqualität stimmt und das PCB-Schutzboard ordentlich mitgedacht wurde. Für den Preis kriegt man hier in Deutschland aktuell kaum was Besseres. Versand war auch fix, Verpackung war bombensicher – so muss das laufen! Wer verlässliche Power sucht, kann hier echt bedenkenlos zugreifen. Von mir gibt's eine klare Kaufempfehlung und verdiente 5 Sterne. Daumen hoch!
O
Owen
Canada Apr 7.2026
Helpful (86)
I’ve been using this 357090 3.7V 2500mAh lipo battery for a few weeks now, and I’m really satisfied with it. It is steady-quality rechargeable lithium polymer batteries that perfectly match the rated voltage and capacity. Output efficiency is great, which helps me save a lot of working time. Build quality feels solid too, no weird noises or faults during daily operation. Shipping was fast and the packaging was protective. For small-scale battery production and copying work, this is absolutely a practical and cost-effective pick. I’d definitely recommend it to fellow business partners and will consider reordering in the future.
M
Mark
United States Jan 7.2026
Helpful (120)
Really happy with this 14.8V 2000mAh 18650 battery pack! It fits my power tools perfectly and was easy to install right out of the box. Charging is fast and it holds power really well during daily use. The built-in PCB protection gives me extra peace of mind for safe operation. The output power is steady, no sudden drops while working. I’ve used it for hours straight on my drills and wrenches, and the performance stays consistent. For the price, the quality totally beats my expectations. Shipping was quick too. If you need a reliable replacement or spare battery for power tools, this one is absolutely worth buying. Great value overall!
Review Image
Tags: 

Li Ion Battery Pack  

Rechargeable Lithium Battery Pack  

Lithium Ion Battery Pack

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