Good price  online

products details

Created with Pixso. Home Created with Pixso. Products Created with Pixso.
Lithium Polymer Battery
Created with Pixso. 401730 3.7V 150mAh UL1642 Li Polymer Battery For Small Smart Electronics

401730 3.7V 150mAh UL1642 Li Polymer Battery For Small Smart Electronics

Brand Name: VATS Battery or Neutral
Model Number: 401730
MOQ: 10
Price: $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
Voltage:
3.7V
Cycle Life:
500 Charge Cycles
Capacity:
150mAh
Max Charge Voltage:
4.2V
Battery Size:
4.0±0.2*17±0.5*30±2.5mm
Discharge Rate:
0.5C
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 Li Polymer battery for smart electronics

,

150mAh UL1642 lithium polymer battery

,

small smart electronics LiPo battery

Product Description
401730 3.7V 150mAh UL1642 Li Polymer Battery For Small Smart Electronics
401730 3.7V 150mAh UL1642 Li Polymer Battery for Small Smart Electronics
Specifications
Item Details
Model 401730
Cell Type Lithium polymer battery
Dimensions 4.0±0.2*17±0.5*30±2.5mm (Thickness*Width*Length)
Nominal Capacity 150mAh, custom size / capacity / voltage available
Nominal Voltage 3.7V
Max Cutoff Voltage 4.35V
Standard Discharge Current 0.2C–0.5C
Max Continuous Discharge Current 1C
Connector Option JST / Molex, customizable
Cycle Life Up to 500 charge cycles
Compliance & Packing Industrial carton, meets international air & sea shipping standards
Product Brief
This compact li polymer battery delivers stable 3.7V power for miniature electronics. As a reliable lithium ion battery cell, this 3.7v wearable device battery solves your small-device power shortage with consistent output and UL1642 safety support.
Why Choose Us
  • UL1642 Verified Safety Design - Safety checked to UL1642 standards. You reduce compliance risks when selling portable electronics to North American markets.
  • Flexible OEM Customization - Adjust capacity, voltage and connector terminals to match your device PCB. No forced MOQ for sample testing.
  • Stable Cycle Performance - Rated for 500 charge cycles. Your end users get longer service life and fewer after-sales complaints.
  • Factory Direct Supply - We are the original battery manufacturer. You skip middlemen and lock stable lead times for mass orders.
  • Global Shipping Ready Packaging - Packaging follows air and ocean transport rules. Smooth customs clearance for your bulk shipments.
Product Application
This 3.7v wearable device battery fits a wide range of compact consumer and smart hardware. Common devices: car dash cameras, GPS navigators, smart home gadgets, massagers, digital cameras, sprayers, dental irrigators, smart bracelets, blackhead cleaners, remote controls, smart watches, electric toy guns, air pumps, smart bins, Bluetooth speakers, fingerprint locks, electric hair clippers, dog trainers, pest repellers, camping lights, robot vacuums, electric toothbrushes, pet water fountains, electric shavers, mini handheld fans and other compact smart products. It works well for home daily use, travel, camping and portable outdoor gear.
Frequently Asked Questions
Q1: Can I get samples of this li polymer battery for testing?
A: Yes, sample testing is supported so you can verify fit and performance before bulk orders.
Q2: What lead time can I expect?
A: Stock items ship within 3–7 days. Custom OEM orders take 2–3 weeks after confirmation.
Q3: Can I change the connector or cable for this lithium ion battery cell?
A: Sure. JST or Molex connectors are optional, we can adjust terminals per your hardware drawing.
Q4: Is this 3.7v wearable device battery approved for export by air?
A: Yes. Our industrial carton packing meets international air and marine shipping requirements.
Q5: What is its cycle lifespan?
A: It supports up to 500 charge cycles under standard 0.2C–0.5C discharge conditions.
Q6: Can I customize capacity or dimensions for my product?
A: Custom size, capacity and voltage are available for OEM LED light and small electronic projects.
Q7: What is the maximum continuous discharge current?
A: The rated max continuous discharge current is 1C for steady short-burst loads.
Q8: Are you the direct manufacturer?
A: Yes, VATS BATTERY is an original lithium battery manufacturer based in Shenzhen.
After-sales Guarantee
We stand behind this li polymer battery with transparent support for B2B buyers. All units follow our factory QC before shipment. We provide documentation to support your import and compliance review. For confirmed manufacturing defects, we coordinate replacement solutions. Our sales team offers quick written support for technical and shipping questions. Sample testing is encouraged to confirm compatibility with your hardware before large production runs.
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!