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Lithium Polymer Battery
Created with Pixso. HZ451220 3.7V 80mAh Lithium Polymer Pouch Battery For Smart Shoes & Small Electronics

HZ451220 3.7V 80mAh Lithium Polymer Pouch Battery For Smart Shoes & Small Electronics

Brand Name: VATS Battery
Model Number: 451220
MOQ: 10
Price: US$1-1.49
Delivery Time: 7 work days
Payment Terms: T/T
Detail Information
Place of Origin:
Guangdong, China
Certification:
UL1642//UL2054/CB/KC/PSE/CE/ROHS/UN38.3/MSDS
Max Voltage:
4.2V
Max Discharge:
1C
Nominal Capacity:
80mAh
Cycle Life:
500 Cycles
Dimensions:
4.5±0.2*12±0.5*20±2.5 Mm
Nominal Voltage:
3.7V
Packaging Details:
Industrial cartons compliant with air & sea shipping standards
Supply Ability:
Ships in 7 Business Days (In-Stock) / 30 Business Days (Out-of-Stock)
Highlight:

3.7V lithium polymer battery

,

80mAh pouch battery for smart shoes

,

small electronics lithium battery

Product Description
HZ451220 3.7V 80mAh Lithium Polymer Pouch Battery For Smart Shoes & Small Electronics
Product Specifications
Item Details
Model HZ451220
Battery Type Lithium polymer pouch cell
Dimension 4.5±0.2*12±0.5*20±2.5 mm (Thickness*Width*Length)
Nominal Capacity 80mAh, custom size/capacity/voltage available
Nominal Voltage 3.7V
Max Charge Cut-off Voltage 4.2V
Standard Discharge Current 0.2C - 0.5C
Max Discharge Current 1C
Connector JST / Molex, customizable
Cycle Life Up to 500 charge cycles
Package Industrial carton, meets air & sea shipping standards
HZ451220 lithium polymer battery front view HZ451220 lithium polymer battery side view HZ451220 lithium polymer battery dimensional view HZ451220 lithium polymer battery application example
Product Overview

This small lithium polymer battery delivers stable 3.7V power for compact wearable and portable gadgets. Our lithium polymer pouch cell fits tight spaces in tiny electronics, with customizable connectors and sizes to match your device design. It supports sample testing for your product validation.

Key Features
  • Stable Low-current Output: Runs steadily at 0.2C~0.5C standard discharge, protecting delicate circuit boards and reducing unexpected shutdown during use.
  • Compact Customizable Form Factor: Slim design can be modified on dimension, capacity and connector types to fit limited inner space of mini smart devices.
  • Reliable Long Cycle Performance: 500 charge cycles maintain consistent capacity over long service time, lowering replacement and maintenance costs.
  • Flexible Connector Options: Choose JST or Molex connectors as required with no extra adapter work needed for fast assembly.
  • Sample Available for Pre-test: Verify battery performance in your prototype before bulk order placement.
  • Strict Shipping Compliant Package: Carton packaging follows international air and sea transport rules for simplified global shipment.
Applications

This lithium polymer battery works well for a wide range of portable and smart electronics including:

  • Car recorders and GPS navigators
  • Smart home appliances and massagers
  • Digital cameras and sprayers
  • Dental rinsers and smart bracelets
  • Blackhead devices and remote controls
  • Smart watches and electronic toy guns
  • Electric air pumps and smart trash cans
  • Bluetooth speakers and fingerprint locks
  • Electric hair clippers and dog trainers
  • Pest repellers and camping lights
  • Robot vacuums and electric toothbrushes
  • Pet water fountains and electric shavers
  • Handheld mini fans
Frequently Asked Questions
Q1: Can I customize this lithium polymer pouch cell for my new product?

A1: Yes. We support custom size, capacity, voltage and connector to match your device design. Send your drawing for quotation.

Q2: What is the production lead time?

A2: Stock items ship within 3-7 days. Custom bulk orders take 2 to 3 weeks after order confirmation.

Q3: What discharge current should I use for my small device?

A3: Recommended standard discharge range is 0.2C-0.5C, peak max discharge current reaches 1C for short-time power demand.

Q4: Can I get samples to test the lithium polymer battery?

A4: Sure. Sample testing is supported for your prototype and performance verification.

Q5: Is the package safe for international shipping?

A5: Yes. We use industrial cartons that comply with international air and sea shipping standards.

Q6: How many charge cycles can this battery last?

A6: It can reach around 500 charge cycles under proper charging and discharging operation.

Q7: What connector options are available?

A7: JST and Molex connectors are available. We can select connector types based on your requirements.

Q8: Are you the direct manufacturer?

A8: Yes. VATS BATTERY is a professional lithium polymer battery manufacturer located in China.

After-sales Guarantee

We provide reliable support for your bulk procurement of lithium polymer batteries. All products are packed following global shipping regulations. We support sample inspection before mass shipment. Our sales team gives timely technical support for your device integration questions. Please contact us within the agreed period if you encounter quality issues. We will work out proper solutions for qualified claims.

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

O
Owen
Canada Apr 7.2026
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.