Good price  online

products details

Created with Pixso. Home Created with Pixso. Products Created with Pixso.
Lithium Polymer Battery
Created with Pixso. 350935 90mAh 3.7V Li‑Polymer Battery for Small Wearable Consumer Electronics

350935 90mAh 3.7V Li‑Polymer Battery for Small Wearable Consumer Electronics

Brand Name: VATS Battery or Neutral
Model Number: 350935
MOQ: 10
Price: $1.05-1.35
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
Discharge Rate:
0.5C
Voltage:
3.7V
Cycle Life:
500 Charge Cycles
Max Charge Voltage:
4.2V
Capacity:
90mAh
Battery Size:
3.5±0.2*09±0.5*35±2.5 Mm
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:

90mAh Li-Polymer battery for wearables

,

3.7V small wearable device battery

,

Lithium Polymer battery with 90mAh capacity

Product Description
350935 90mAh 3.7V Li‑Polymer Battery for Small Wearable Consumer Electronics
Product Specifications
Item Details
Model 350935
Cell Type Lithium polymer battery
Nominal Capacity 90mAh, custom capacity & size available
Nominal Voltage 3.7V
Max Cut‑off Voltage 4.35V
Product Dimension 3.5±0.2*09±0.5*_35±2.5 mm (T*_ W*L)
Standard Discharge Current 0.2C‑0.5C
Max Discharge Current 1C
Connector Option JST, Molex, customizable
Cycle Life Up to 500 charge‑discharge cycles
Production Lead Time 2‑3 weeks for custom orders; 3‑7 days for stock items
Sample Support Sample testing available
Product Overview

This reliable lithium polymer battery delivers stable 3.7V power for compact small-size gadgets. It serves as a practical 3.7V wearable device battery to keep your compact electronics running steadily. The compact form factor fits tight device housing without performance loss.

Key Advantages

Stable Consistent Output: Strict production control ensures steady voltage output, preventing unexpected shutdowns caused by unstable power supply.

Decent Long Cycle Life: Up to 500 working cycles provide longer service life for end products and lower after-sales replacement costs.

Flexible Custom Options: Custom size, capacity and connector support allows matching your unique hardware requirements without redesigning the entire device structure.

Sample Available For Validation: Test real units before bulk purchase to reduce project risk for new product development.

Shipping-Compliant Packing: Industrial carton meets international air & shipping standards for smooth cross-border delivery of bulk orders.

Trustworthy Lithium Ion Battery Cell Supply: Direct manufacturer source with stable supply chain supports ongoing inventory replenishment.

Applications

This compact lithium polymer battery fits wide ranges of small consumer & smart devices for home use, daily commuting and outdoor camping.

Common compatible devices include: car recorders, GPS navigators, smart home appliances, massagers, digital cameras, sprayers, dental rinsers, smart bracelets, blackhead remover devices, remote controls, smart watches, electronic toy guns, electric air pumps, smart trash cans, bluetooth speakers, fingerprint locks, electric hair clippers, dog training collars, pest repellers, camping lamps, robot sweepers, electric toothbrushes, pet water fountains, electric shavers, mini handheld fans and other compact smart gadgets.

Frequently Asked Questions
Q1: Is this 3.7V wearable device battery compatible with my custom small-size hardware?

A: This 350935 lithium polymer battery fits most compact devices within its dimension range. Custom modification is offered if your hardware has special space limits.

Q2: What is the typical cycle life for this lithium ion battery cell?

A: It can reach around 500 charge-discharge cycles under standard charge-discharge conditions. Actual performance depends on real-world working environment.

Q3: Can I get samples for lab testing before bulk placing order?

A: Yes, sample testing is supported. Please send your detailed requirement for sample quotation.

Q4: How long is the production lead-time?

A: Stock items ship within 3-7 days. Custom bulk orders take 2-3 weeks production time.

Q5: Can I change connector types such as JST or Molex?

A: JST and Molex connectors are optional. We assemble connector per your project requirement.

Q6: What shipping standards do these lithium polymer batteries follow?

A: Packing follows international air and sea shipping standards for lithium batteries, to support your global shipment.

Q7: Do you support customized capacity or dimension?

A: Yes, other sizes, capacity and voltage can be customized for your project.

Q8: What is the maximum discharge current for this battery?

A: Max discharge current reaches 1C, standard working range is 0.2C-0.5C for daily electronics.

After-Sales Guarantee
  • All units go through factory quality inspection before shipment
  • Manufacturing defect covered under standard factory warranty
  • Responsive technical support for battery matching and application questions
  • Strict shipping-compliant packaging to lower damage risk during transit
  • Reach out to our support team promptly once you receive defective goods for proper resolution
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
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!
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.
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!