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Lithium Polymer Battery

Lithium Polymer Battery Pack

High Discharge Lipo Battery

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Created with Pixso. Home Created with Pixso. Products Created with Pixso.
Lithium Polymer Battery
Created with Pixso. 331425 3.7V 90mAh Li Polymer Rechargeable Lithium Ion Battery Cell
331425 3.7V 90mAh Li Polymer Rechargeable Lithium Ion Battery Cell
  • Name

331425 3.7V 90mAh Li Polymer Rechargeable Lithium Ion Battery Cell

Brand Name: VATS Battery or Neutral
Model Number: 331425
MOQ: 10
Price: $0.98-1.5
Delivery Time: 7 work days
Payment Terms: T/T
Detail Information
Product Description
Ratings & Reviews
Detail Information
Place of Origin:
Guangdong, China
Certification:
UL1642//UL2054/CB/KC/PSE/CE/ROHS/UN38.3/MSDS
Voltage:
3.7V
Capacity:
90mAh
Max Charge Voltage:
4.2V
Cycle Life:
500 Charge Cycles
Battery Size:
3.3±0.2*14±0.5*25±2.5 Mm
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 lithium polymer battery

,

90mAh rechargeable battery cell

,

Li-ion polymer battery with warranty

Product Description
331425 3.7V 90mAh Li Polymer Rechargeable Lithium Ion Battery Cell
331425 3.7V 90mAh Li Polymer Rechargeable Lithium Ion Battery Cell
Specifications
ModelHZ331425
Cell TypeLithium polymer battery
Dimension3.3±0.2*14±0.5*25±2.5 mm (Thickness*Width*Length)
Nominal Capacity90mAh, custom size / capacity / voltage supported
Nominal Voltage3.7V
Max Cut-off Voltage4.2V
Standard Discharge Current0.2C-0.5C
Max Continuous Discharge Current1C
ConnectorJST / Molex, customizable
Cycle LifeUp to 500 charge-discharge cycles
Production Lead Time2-3 weeks for bulk orders; 3-7 days for in-stock items
Product Brief
This compact li polymer battery delivers steady power for small portable electronics. As a reliable lithium ion battery cell, this 3.7V wearable device battery fits tight-space gadgets, supports sample testing and custom modification for your project needs.
Why Choose Us
  • Stable Cycle Performance: Our li polymer battery maintains consistent output after repeated use. You get longer service life for your end-devices and lower replacement cost.
  • Flexible Custom Options: Custom size, capacity, voltage and connector are available. This 3.7V wearable device battery can match your unique hardware design without extra rework.
  • Verified Factory Supply: Direct source from professional lithium battery manufacturer. Sample testing is allowed so you can verify real performance before bulk purchase.
  • Safe Discharge Output: Rated 1C max discharge current. The lithium ion battery cell offers practical stable power for low-to-medium drain small electronics, reducing risk of abnormal heating.
  • Ready Stock & Flexible Lead Time: In-stock goods ship within days. For custom bulk orders, we follow predictable production timeline to keep your project schedule on track.
Product Application
This compact 3.7V wearable device battery suits a wide range of portable smart electronics for home, travel and outdoor scenarios. It works well for car recorders, GPS navigators, smart home appliances, massagers, consumer electronics, digital cameras, sprayers, dental rinsers, smart bracelets, blackhead remover devices, remote controllers, smart watches, electronic toy guns, electric air pumps, smart trash cans, Bluetooth speakers, fingerprint locks, electric hair clippers, dog training collars, pest repellers, camping lights, robot vacuum cleaners, electric toothbrushes, pet water fountains, electric shavers and mini handheld fans.
FAQ
Q: Can I get samples to test this li polymer battery before bulk order?
A: Yes. Sample testing is supported. You can check real performance of this 3.7V wearable device battery for your device compatibility.
Q: What is the typical cycle life of this lithium ion battery cell?
A: It reaches around 500 standard charge-discharge cycles under proper charging and discharging conditions.
Q: Can I change connector or adjust capacity for my project?
A: Custom size, capacity, voltage and JST/Molex connector options are available for special hardware requirements.
Q: How long for order production and shipment?
A: Stock items ship in 3-7 days. Custom bulk orders take 2-3 weeks production lead time before dispatch.
Q: What devices can this 3.7V wearable device battery fit into?
A: It fits compact small-size portable gadgets including wearables, home smart devices and many mini consumer electronics listed on our application section.
Q: What is the maximum discharge rate for this li polymer battery?
A: Standard discharge sits 0.2C-0.5C, maximum continuous discharge current reaches 1C.
Q: Do you follow international shipping standards for battery packing?
A: Yes. Units are packed in industrial cartons complying with international air and ocean shipping standards.
After-sales Guarantee
We are a direct manufacturer supplying reliable li polymer battery and lithium ion battery cell for global buyers.
  • Sample evaluation is encouraged to confirm product fit for your application.
  • All goods follow standard industrial packing meeting international shipping rules.
  • Our support team offers timely technical consultation for product parameter and application questions.
  • Please follow specified charge-discharge parameters to achieve full cycle performance. Reach our support email if you meet product quality issues upon receiving your parcel.
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.
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!
Tags: 

Lithium Ion Polymer Battery  

Rechargeable Li Polymer Battery  

Lipo Battery

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