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Lithium Polymer Battery

Lithium Polymer Battery Pack

High Discharge Lipo Battery

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Lithium Polymer Battery Pack
Created with Pixso. 400830 3.7V Slim Li-polymer Battery 80mAh 110mAh With Solder Tabs For Wearable Devices And Toys
400830 3.7V Slim Li-polymer Battery 80mAh 110mAh With Solder Tabs For Wearable Devices And Toys
  • Name
  • Name
  • Name

400830 3.7V Slim Li-polymer Battery 80mAh 110mAh With Solder Tabs For Wearable Devices And Toys

Brand Name: VATS Battery or Netural
Model Number: 400830
MOQ: 5
Price: CN¥5.87-9.52
Detail Information
Product Description
Ratings & Reviews
Detail Information
Place of Origin:
Guangdong, China
Voltage:
3.7V
Capacity:
80mAh/110mAh
Charge Voltage:
4.2V
Cut-off Voltage:
2.75V
Std. Charging:
0.2C
Max. Charging:
1.0C
Max Discharge:
1.0C
Weight:
2g
Battery Size:
4.0*8*30mm
Anode Material:
LCO
Operating Temperature:
-20~60°C
Self-discharge Rate:
<3% Monthly
Thickness Range:
1-12mm
Capacity Range:
15-10000mAh
Protection Features:
Over-charge/discharge, Short-circuit, Over-temperature
Highlight:

3.7V Lithium Polymer Battery

,

80mAh/110mAh Li-polymer Battery

,

Solder Tabs Rechargeable Battery

Product Description
Factory 3.7V Slim Lipo Batteries
High-quality 3.7V slim lithium polymer batteries with solder tabs, available in 80mAh (HZ400830) and 110mAh (HZ500830) capacities for wearable products and small electronic devices.
3.7V slim lipo battery product image Close-up view of slim lipo battery
Product Specifications
Model HZ500830 - 110mAh
Product Name Polymer Lithium Battery
Model HZ500830
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
HZ500830 battery specifications diagram
Model HZ400830 - 80mAh
Product Name Polymer Lithium Battery
Model HZ400830
Voltage 3.7V
Capacity 80mAh
Charge Voltage 4.2V
Cut-off Voltage 2.75V
Std. Charging 0.2C
Max. Charging 1.0C
Warranty 12 Months
Certification ISO9001/CE/UL/MSDS
Application Wearable Product
Samples Support free samples
HZ400830 battery specifications diagram Battery dimensional drawing
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
Key Characteristics
  • Customizable sizes, models and capacities with thickness from 1 to 12mm
  • Wide capacity range: 15-10,000mAh
  • Built-in BMS or PCB protection for safety
  • Lightweight and compact design
  • Full customization options for voltage, capacity, and connectors
  • Wide operating temperature: -20°C to 60°C
  • High power output with low self-discharge rate (<3% monthly)
  • No memory effects for flexible charging
  • Environmentally friendly green product
  • Short delivery times with excellent service
Packaging & Shipping
We offer multiple shipping options to suit 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 reliable forwarder partners, we ensure smooth transportation for all orders.
Battery packaging and shipping process
Applications
Battery application examples
  • Consumer electronics: cameras, MP3/MP4 players, PDAs, e-book readers
  • Electric tools: saws, drills, and portable equipment
  • Small household appliances: vacuum cleaners, electric mops
  • Electric toys and remote control devices
  • Electric vehicles: bicycles and cars
  • Lighting: emergency lights, LED lights, solar lights
  • Beauty and healthcare devices
  • Medical devices and portable equipment
  • Industrial instruments, GPS, and access control systems
Quality Certifications
Company quality certifications
Company Services & Strengths
  • ISO9001:2015 certified factory with strict quality control
  • Comprehensive quality assurance with 100% production inspection
  • Professional R&D center supporting OEM and ODM customization
  • Low MOQ with strong production capacity and stock availability
  • Authorized international certifications for most models
  • Excellent customer service with 12-month warranty
Company facilities and operations Manufacturing process overview
Production Process
Workshop Facilities
Water purification system and testing facilities Cell workshop and capacity grading
Manufacturing Equipment
Mixing, coating and calender equipment Formation and auto-injection machinery
Customization Services
We specialize in custom battery solutions. Contact us directly to discuss your specific requirements for voltage, capacity, size, and connectors. Our professional team will create the perfect battery solution for your application.
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 custom battery packs, we can quickly produce samples 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: Typically 25-30 days, depending on quantity, materials, and battery model specifications.
Q: What kind of certificates could you provide?
A: We can apply for CE, UL, UN38.3 and other certifications. Certificate fees may apply for custom designs.
Q: What is your quality control process?
A: We follow ISO9001 procedures with 100% inspection of all batteries before delivery.
Contact Information
Contact: Lynn
Mobile/Skype/Whatsapp/Wechat: +86 13476615395
Tel: 86-755-86909458
Web: www.vatsbattery.com
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!
H
Harry
United Kingdom Mar 18.2026
Helpful (90)
I bought these 805050 3.7V 2500mAh lithium polymer batteries to replace the old cells in my Bluetooth speakers, and they work brilliantly. Fit is absolutely perfect, no trimming needed at all. The voltage and capacity are spot on, my speakers now hold charge for much longer than before. Power output is stable, sound quality isn’t affected one bit. They’re well-made and feel really durable. Delivery arrived quickly, items were well packed with no damage. Great value for money compared to local stores. I’ve been using them daily for weeks with zero issues. Would absolutely recommend these batteries to anyone needing replacements for wireless speakers. I’ll be coming back to buy more soon!
M
Mike
United States Mar 9.2026
Helpful (105)
I’m really impressed with this customized 7.4V 16000mAh 18650 battery pack! It fits all my power tools and small electronics perfectly, exactly as I hoped. The large capacity is a total game-changer — I can work for hours on end without constantly recharging. Charging works smoothly, and the power output stays stable the whole time. No sudden power cuts or overheating issues at all. Build quality feels solid and durable, clearly well-made. I also love that it’s customizable to match different devices. Shipping was fast and the item arrived well-packaged. For this price, you simply can’t beat the performance and capacity. Highly recommend it to anyone needing a long-lasting, reliable battery pack for tools or electronics. Will definitely buy again!
Tags: 

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