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502535 3.7V 400mAh Lithium Polymer Battery for GPS/IOT Card Applications

Name: 502535 3.7V 400mAh Lithium Polymer Battery for GPS/IOT Card Applications
Brand: Shenzhen Vats Power Source Limited
SKU: 502535
Price: 0.98 USD
Availability: InStock

Brand Name:	VATS Battery or Neutral
Model Number:	502535
MOQ:	3
Price:	$0.98-1.35
Delivery Time:	7 work days
Payment Terms:	T/T

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

Guangdong, China

Certification:

ISO9001/CE

Battery Size:

5.0*25*35mm

Weight:

Voltage:

3.7V

Capacity:

400mAh

Charge Voltage:

4.2V

Cut-off Voltage:

2.75V

Std. Charging:

0.2C

Max Charging:

1.0C

Max Discharge:

1.0C

Working Temperature:

-20℃ To 60℃

Anode Material:

LCO

Chargeable:

Yes

Charging Ratio:

Discharge Rate:

PCB Protection:

Over-charge/over-discharge/short-circuit, Over-temperature

Supply Ability:

In stock: 7 working days/Out of stock: about 30 working days

Highlight:

3.7V 400mAh Lithium Polymer Battery

CE Certified Lithium Polymer Battery

GPS/IOT Card Lithium Polymer Battery

Product Description

CE 502535 Polymer Lithium Battery GPS IOT Card

High-quality 3.7V 400mAh rechargeable polymer lithium battery designed specifically for GPS and IOT card applications.

Battery Quality Features

Grade A cells ensuring high and full capacity performance
Dual IC chip protection against over-charge, over-discharge, over-current, and short circuits
Injection technology for enhanced battery stability
Wide operating temperature range: -20°C to 60°C
Long life cycle for extended product durability

Technical Specifications

Product Name	Lithium Polymer Battery
Model	502535
Voltage	3.7V
Capacity	400mAh
Charge Voltage	4.2V
Cut-off Voltage	2.75V
Standard Charging	0.2C
Maximum Charging	1.0C
Warranty	12 Months
Certifications	CE
Application	GPS/IOT Card
Samples	Free samples available

Product Details

Customization Process

Professional customization services with perfect production processes. Choose brand manufacturers for assured quality.

High standard quality management system: ISO9001:2015, TUV-UL depth certification
Comprehensive solutions provider, not just battery supplier

Packaging & Shipping

Standard packaging includes bubble bag, plastic tray, and paper carton. Custom packaging available upon request.

Shipping Methods

HK UPS: 4-6 days delivery
Air Cargo: 7-10 days delivery
Sea Shipment: Approximately 1 month delivery

With 10 years of experience and trustworthy forwarder partners, we arrange sea, air, and express transportation (UPS, DHL, FEDEX, EMS, etc.)

Company Introduction

Our Services & Strength

Workshop Facilities

Certifications

Frequently Asked Questions

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

3 stars

2 stars

1 stars

All Reviews

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!

Robert T.

United States May 13.2026

Helpful (99)

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.

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.

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