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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

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

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!

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!

Mark

United States Jan 7.2026

Helpful (120)

Really happy with this 14.8V 2000mAh 18650 battery pack! It fits my power tools perfectly and was easy to install right out of the box. Charging is fast and it holds power really well during daily use. The built-in PCB protection gives me extra peace of mind for safe operation. The output power is steady, no sudden drops while working. I’ve used it for hours straight on my drills and wrenches, and the performance stays consistent. For the price, the quality totally beats my expectations. Shipping was quick too. If you need a reliable replacement or spare battery for power tools, this one is absolutely worth buying. Great value overall!

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High Discharge Lipo Battery

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Li Ion Battery Pack

LiFePO4 Battery Pack

High Temperature Lipo Battery

Custom Lipo Battery

products details

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

3.7V 400mAh Lithium Polymer Battery

CE Certified Lithium Polymer Battery

GPS/IOT Card Lithium Polymer Battery

Overall Rating

Rating Snapshot

All Reviews

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