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Lithium Polymer Battery
Created with Pixso. 342225 3.7V 150mAh Rechargeable Li Polymer Battery With PCB Protection

342225 3.7V 150mAh Rechargeable Li Polymer Battery With PCB Protection

Brand Name: VATS Battery or Neutral
Model Number: 342225
MOQ: 10
Price: US$0.95-1.5
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
Nominal Voltage:
3.7V
Max Cut-off Voltage:
4.35V
Dimension:
3.4mm × 22mm × 25mm
Nominal Capacity:
150mAh
Standard Discharge Current:
0.2C-0.5C
Max Discharge Current:
1C
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 rechargeable Li polymer battery

,

150mAh Li polymer battery with PCB

,

Li polymer battery with protection

Product Description
342225 3.7V 150mAh Rechargeable Li Polymer Battery With PCB Protection
Product Overview

This reliable li polymer battery delivers stable 3.7V power for compact small electronics. It comes with built-in PCB protection to prevent over-charge and over-discharge, ensuring your portable devices run safely and consistently. This lithium ion battery cell is designed to fit tight-space wearable and compact gadgets.

Specifications
Item Details
Model 342225
Cell Type Lithium polymer battery
Dimension (max) 3.4mm × 22mm × 25mm (Thickness*Width*Length)
Nominal Capacity 150mAh, custom size / capacity / voltage available
Nominal Voltage 3.7V
Max Cut-off Charge Voltage 4.2V
Standard Discharge Current 0.2C-0.5C
Max Discharge Current 1C
Connector JST / Molex, customizable on request
Certifications ISO9001, UL, CB, KC, PSE, IEC62133, UN38.3, MSDS
Cycle Life Up to 500 charge-discharge cycles
Production Lead Time 2-3 weeks for bulk orders; 3-7 days for stock items
Key Features

Built-in PCB Safety Protection: Integrated PCB board guards against over-charging, over-discharging and short circuit, reducing device failure risk.

Long Cycle Performance: Supports up to 500 charge cycles with steady capacity retention over repeated usage.

Flexible Custom Support: Custom size, capacity, voltage and connector options available to match your exact project requirements.

Complete Global Certifications: Includes UN38.3, MSDS, KC, PSE and other standard approvals for global shipping and sales.

Sample Availability: Order samples for lab and device testing to confirm real-world performance before bulk orders.

Stable Factory Supply: Direct manufacturer output ensures consistent quality and predictable lead times.

Applications

This compact li polymer battery fits many small-size consumer & smart electronics:

  • Vehicle accessories: car recorders, GPS navigators
  • Personal care: massagers, dental rinsers, blackhead devices, electric toothbrushes, electric shavers, electric hair trimmers
  • Wearable gadgets: smart bracelets, smart watches, 3.7v wearable device battery powered wearables
  • Home smart items: smart home appliances, fingerprint locks, smart trash cans, bluetooth speakers, remote controls
  • Outdoor & portable gear: camping lights, handheld mini fans, electric air pumps, pet water fountains, pest repellent devices
  • Other devices: digital cameras, sprayers, electronic toy guns, robot vacuum units and more compact smart products
Frequently Asked Questions
Q1: Can this 3.7v wearable device battery work for my custom small-size wearable gadget?
A: This li polymer battery suits most compact 3.7V devices. Check dimension and current draw of your hardware. We can adjust connectors if your project needs.
Q2: What is the typical cycle life for this lithium ion battery cell?
A: Under standard use condition, it reaches up to 500 charge-discharge cycles before obvious capacity drop.
Q3: Can I get samples before bulk purchase?
A: Yes, sample testing is supported. Stock samples ship within 3-7 working days.
Q4: What certifications do you provide for this li polymer battery?
A: We supply ISO9001, UL, CB, KC, PSE, IEC62133, UN38.3 and MSDS documents for shipping & compliance check.
Q5: How long is production lead-time for large bulk orders?
A: Bulk production takes 2-3 weeks. In-stock items can ship in 3-7 days.
Q6: Is custom capacity or dimension available?
A: Yes, we support custom size, capacity and voltage based on your project drawing.
Q7: What connector options are offered?
A: JST and Molex connectors are available. Contact us to specify your connector requirement.
Q8: Does this battery include protection circuit?
A: Yes, built-in PCB protection board is equipped for safe charge and discharge.
After-sales Guarantee

Every li polymer battery goes through strict factory testing before shipment:

  • We stand behind product quality for standard manufacturing defects
  • Complete certification documents are provided to support your global market sales and logistics clearance
  • Our professional sales team offers quick technical support for your product adaptation questions
  • For quality-related issues, reach our support team with order information for proper resolution. Note: Damage from improper installation, wrong charging or physical misuse is not covered
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

R
Robert T.
United States May 13.2026
As a veteran engineer in portable audio and smart hardware R&D, I demand the absolute best in battery electrical performance. We sourced this 103048 3.7V 1500mAh Li-polymer battery for a BT speaker project, and its real-world performance has completely blown us away.
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.
H
Harry
United Kingdom Mar 18.2026
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!