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Lithium Polymer Battery
Created with Pixso. 402035 Li Polymer Battery 3.7V 230mAh Rechargeable Lithium Polymer Battery

402035 Li Polymer Battery 3.7V 230mAh Rechargeable Lithium Polymer Battery

Brand Name: VATS Battery or Neutral
Model Number: 402035
MOQ: 10
Price: $1.18-1.5
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
Max Charge Voltage:
4.2V
Battery Size:
4.0±0.2*20±0.5*35±2.5mm
Discharge Rate:
0.5C
Cycle Life:
500 Charge Cycles
Voltage:
3.7V
Capacity:
230mAh
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 lithium polymer battery

,

230mAh Li polymer battery

,

small lithium polymer battery with warranty

Product Description
402035 Li Polymer Battery 3.7V 230mAh Rechargeable Lithium Polymer Battery
Specifications
Item Details
Model 402035
Cell Type Lithium polymer battery
Dimension 4.0±0.2*20±0.5*35±2.5mm (Thickness*Width*Length)
Nominal Capacity 230mAh, custom size/capacity/voltage available
Nominal Voltage 3.7V
Max Cutoff Voltage 4.35V
Standard Discharge Current 0.2C-0.5C
Max Discharge Current 1C
Connector JST / Molex, customizable on request
Cycle Life Up to 500 charge cycles
Package Standard Industrial carton, meets international air & sea shipping rules

Product Brief

This reliable lithium polymer battery delivers stable 3.7V power for compact digital gadgets. As a practical lithium ion battery cell, this 3.7V wearable device battery keeps small electronics running steadily with consistent output and long cycle life.


Why Choose Us
Stable 3.7V Continuous Output

Consistent voltage avoids sudden power drops, so your portable devices run smoothly without unexpected shutdowns.

500-Cycle Long Service Life

Durable cell structure supports repeated charging, lowering your long-term replacement cost for small electronics.

Custom Connector & Size Option

Pick JST or Molex connectors directly, or request tailored specs. This 3.7V wearable device battery fits bespoke product designs easily.

Manufacturer Direct Supply

We produce the lithium polymer battery in-house. You get consistent quality and flexible sample testing before bulk orders.

Safe International Shipment Packaging

Carton packaging follows air and maritime transport standards, reducing transit risks for your battery cargo.


Product Application

This lithium ion battery cell works for a wide range of compact portable electronics including:

  • Dash cameras and GPS navigators
  • Smart home units and massage tools
  • Digital cameras and sprayers
  • Dental rinsers and smart bracelets
  • Blackhead removers and remote controls
  • Smart watches and electronic toy guns
  • Electric air pumps and smart bins
  • Bluetooth speakers and fingerprint locks
  • Electric hair clippers and dog trainers
  • Pest repellers and camping lamps
  • Robot vacuums and electric toothbrushes
  • Pet water fountains and electric shavers
  • Handheld mini fans and more smart gadgets

Ideal for home use, daily commuting, outdoor camping, and workshop equipment.


Frequently Asked Questions
Q1: Can I get samples of this 3.7V wearable device battery for testing?

A: Yes, sample testing is supported to verify performance before bulk purchase.

Q2: What is the production lead time after I place an order?

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

Q3: Can I change the connector type for this lithium polymer battery?

A: Sure. We supply JST or Molex connectors, and accept other custom connector requests.

Q4: What is the max discharge rate of this lithium ion battery cell?

A: Standard discharge ranges 0.2C-0.5C, with peak continuous discharge up to 1C.

Q5: How many charge cycles can this 230mAh 3.7V battery last?

A: Rated cycle life reaches 500 cycles under proper charge and discharge operation.

Q6: Can I customize capacity, dimension or voltage for my product?

A: Yes, we support custom size, capacity and voltage to match your device design.

Q7: Does the package meet air freight requirements?

A: Yes, our industrial carton packaging complies with global air and sea shipping standards.


After-sales Guarantee

We stand behind this lithium polymer battery with manufacturer quality assurance. All cells go through internal quality checks before shipment. If you find confirmed factory defects, we support proper after-sales solutions within the warranty scope.

Our professional sales team offers fast technical support for compatibility, customization and shipping enquiries. Sample validation is welcome to reduce project risk before mass procurement.

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!
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!