Round LiPoly Battery LPR403535 3.7V 450mAh 1.67Wh with Protection Circuit, 50mm Wires, and Connector Molex 51021-0200

LiPol Battery Co., Ltd. is a leading manufacturer specializing in custom-shaped lipo batteries. With over 15 years of experience and a wide range of in-stock and customizable options, we deliver high-quality energy solutions that meet international safety standards. From quick prototyping to mass production, we support every stage of your development cycle. We offer a full range of round LiPo batteries (30mm–50mm diameter) with various capacities and voltage configurations. Contact us for technical specs, samples, or a custom quote tailored to your product needs.

The LPR403535 Round LiPo Battery is engineered to meet the increasing demand for compact, reliable, and high-density power solutions in next-generation smart and portable devices. With a nominal voltage of 3.7V, a capacity of 450mAh, and an energy output of approximately 1.665Wh, this battery is ideal for space-constrained applications where traditional rectangular batteries may not fit.

Whether developing a next-generation smart ring, fitness tracker, or a circular sensor module, the LPR403535 round lipo battery offers the performance and form factor needed for efficient, sleek, and dependable energy storage. Its low-profile design ensures it can be embedded seamlessly without compromising your product’s aesthetics or functionality.

Round LiPo Battery LPR403535 3.7V 450mAh Specification

Battery Type:Round LiPo Battery
Model:LPR403535, 303535
Nominal Voltage:3.7V
Capacity:450mAh
Cell Dimension:4.0mm x 35.0mm x 35.0mm
Protection circuit module(PCM):Yes
Thermistor(NTC):No
Connector:Molex 51021-0200
Configuration:1S1P
Weight:9.0g
Wat-Hou Rating:1.67Wh
Max. Operating Voltage Range:2.75V to 4.2V
Max. Charge Voltage:4.2V±50mV
Max. Charge Current:225mA
Max. Discharge Current:450mA
Discharge Cut-off2.75V
Internal Impedance:<200mΩ
Expected Cycle Life @(0.5C/0.5C)@23±5°C)500 cycles ≥ 80%

Related Round LiPo Battery Recommendation

How to Order Your LiPo Battery from LiPol Battery Co., Ltd.

Contact Us with Your LiPo Battery Requirements

To begin, send us your LiPo battery specifications via our sidebar contact form or Contact Us page. Please provide detailed information, including:

  • Battery dimensions (Thickness × Width × Length)
  • Voltage & Capacity
  • Maximum Working Current
  • Protection Circuit Module (PCM) specifications
  • Wire Length & Type
  • Thermistor (NTC) requirement
  • Connector Type (e.g., JST, Molex, or custom connectors)

The more detailed your request, the easier it is for us to provide the perfect battery solution.

Evaluation & Quotation

Once we receive your inquiry, our team will review your requirements and respond within 12 hours with:

  • A detailed battery specification sheet
  • Pricing and quotation for different quantities
  • Estimated lead time for production and delivery

Confirm & Place Your Order

We will issue an invoice for payment after agreeing on the battery model, quantity, price, and delivery details. Our standard payment terms require 100% upfront payment, and we accept:

  • PayPal
  • Credit Card
  • Bank Transfer

Once the payment is received, we will begin processing your order.

Secure & Fast Shipping

When your LiPo batteries are ready, we will arrange door-to-door shipping via DHL, UPS, or FedEx for safe and fast delivery. You will receive a tracking number, and we will monitor your shipment to ensure it arrives on time.

Warranty & After-Sales Support

All our batteries come with a one-year warranty. We will provide a refund or replacement if you experience any battery issues, such as low voltage, expansion, or leakage under correct usage conditions.

Looking for a high-quality LiPo battery? Contact LiPol Battery today to get started on your order!

LiPol Battery Co., Ltd: Powering Innovation with Customized Battery Solutions

In a world driven by portable electronics, electric vehicles, and cutting-edge technology, reliable and efficient power sources are more critical than ever. LiPol Battery Co., Ltd stands at the forefront of this energy revolution as a leading manufacturer and supplier of high-quality lithium polymer (LiPo) and lithium-ion (Li-ion) batteries. With years of expertise in battery manufacturing, LiPol offers a wide range of standard and customized battery solutions to meet the diverse needs of industries worldwide.

A Comprehensive Range of Battery Solutions

LiPol Battery Co., Ltd specializes in designing and producing various lipo battery types, ensuring customers can find the perfect power source for their applications. Their product portfolio includes:

Each battery is available in various sizes, capacities, and configurations, ensuring compatibility with various devices and systems.

Customized Battery Solutions

As an OEM battery manufacturer, LiPol Battery Co., Ltd takes pride in delivering tailored battery solutions. Understanding that every product has unique power requirements, LiPol works closely with clients to customize batteries based on specific needs. Whether it’s adjusting the capacity, voltage, dimensions, or connectors, LiPol’s engineering team ensures that each battery is perfectly suited to its intended application.

Commitment to Quality and Safety

LiPol Battery Co., Ltd is dedicated to providing certified and reliable batteries that meet international safety standards. Every battery undergoes rigorous testing to ensure it delivers maximum performance while prioritizing safety. From overcharge protection to thermal stability, LiPol’s batteries are designed to operate safely in even the most demanding environments.

Looking to the Future

LiPol Battery Co., Ltd is not just a battery manufacturer—it’s an innovation partner. As technology evolves, LiPol remains committed to developing advanced battery solutions that push the boundaries of what’s possible. From ultra-thin designs to high-capacity powerhouses, LiPol is shaping the future of energy storage, one battery at a time.

Whether you’re designing the next generation of consumer electronics, powering industrial equipment, or creating cutting-edge medical devices, LiPol Battery Co., Ltd has the expertise and resources to meet your power needs. With a commitment to quality, safety, and customization, LiPol is your trusted partner for reliable and innovative battery solutions. Explore the possibilities with LiPol Battery Co., Ltd and discover how their batteries can power your next big idea.

The Applications of the LiPo Battery

Related 3.7V LiPo Battery List

Part #Capacity (mAh)VoltageC-RateThickness (mm)Diameter (mm)
LPR2333311903.7V1C2.330
LPR2435352103.7V1C2.435
LPR2537362103.7V15C2.537
LPR2835353003.7V1C2.835
LPR28625410803.7V1C2.862
LPR3028231403.7V1C3.028
LPR3030281853.7V1C3.030
LPR3131252403.7V1C3.131
LPR3235353053.7V3C3.235
LPR331615623.7V1C3.316
LPR3337363553.7V3C3.337
LPR3530272103.7V1C3.530
LPR3638324103.7V1C3.638
LPR3730262453.7V1C3.730
LPR3835353853.7V1C3.835
LPR3936334453.7V1C3.936
LPR4033273053.7V1C4.033
LPR4035303853.8V1C4.035
LPR4035354053.8V1C4.035
LPR4037364953.8V1C4.037
LPR4324211553.7V1C4.324
LPR4335304303.7V3C4.335
LPR4335354753.7V1C4.335
LPR4337365853.7V1C4.337
LPR44350354503.7V1C4.435
LPR4436335403.7V1C4.436
LPR4533314253.7V1C4.533
LPR4544408703.7V1C4.544
LPR4730273303.7V1C4.730
LPR4835355453.8V1C4.835
LPR4838285103.7V1C4.838
LPR4838295303.7V3C4.838
LPR4930273003.7V1C4.930
LPR4935355303.7V1C4.935
LPR5135355253.7V1C5.135
LPR5333254353.7V1C5.333
LPR5335355603.8V1C5.335
LPR5516151003.7V1C5.516
LPR5535356053.7V1C5.535
LPR55504213703.8V1C5.550
LPR55554213703.8V1C5.555
LPR55655321203.7V1C5.565
LPR56554213703.7V1C5.655
LPR5738295703.7V3C5.738
LPR5830273203.7V15C5.830
LPR5942306003.7V10C5.942
LPR6035336303.7V1C6.035
LPR6330274303.7V3C6.330
LPR6530274303.8V5C6.530
LPR6539296653.85V1C6.539
LPR65444210003.7V15C6.544
LPR67655320003.7V8C6.765
LPR6930275003.7V1C6.930
LPR7042308353.7V5C7.042
LPR75504015003.7V1C7.550
LPR9135359503.7V1C9.135