Products

603035 KC 600mAh Lithium Polymer Battery

The 603035 3.7V 600mAh Lithium Polymer Battery is designed for wireless electronic devices, smart sensors, portable instruments, and customized OEM products. With a nominal energy of 2.22Wh and a compact pouch-cell structure, it offers a practical rechargeable power solution for space-constrained applications.

LithoTop provides customized 603035 lithium polymer battery solutions, including wire length, connector selection, optional PCM protection, and project-specific compliance support.

Additional information

Product Type

Li-Polymer battery

Model number

603035

Voltage (Nominal)

3.7V

Capacity (Nominal)

600mAh

Dimensions

6.0±0.2*30±0.5*35±2.5mm

Constant Discharge Current

Typically 0.5C-1C

Working Temperature

charge: 0-45℃; discharge: -20-60℃

Certification

KC/CE/ROHS

Professional Grade A Lipo Battery Solutions

Delivering superior performance consistency and longer cycle life through automated cell matching technology designed for heavy-duty industrial applications.

603035 Battery Size

The 603035 600mAh LiPo battery combines a nominal voltage of 3.7V with a rated capacity of 600mAh, providing approximately 2.22Wh of energy for compatible electronic devices. Its rechargeable lithium polymer construction makes it suitable for products that require repeated charging cycles and compact battery integration.

For applications requiring reliable rechargeable power, the battery can be evaluated according to operating current, charging requirements, expected runtime, installation space, and environmental conditions. A conventional 3.7V LiPo cell generally requires a 4.2V charging limit, subject to the selected cell specification.

LithoTop supports OEM and ODM lithium battery development for customers targeting different international markets. Applicable reports and documentation must be confirmed for each final battery configuration and intended market.

Lipo Series 2
  • Compact 603035 Pouch-Cell Design
    Approximately 6.0 × 30 × 35 mm nominal cell dimensions, suitable for compact electronic products with limited internal installation space.
  • 600mAh Rechargeable Capacity
    Provides approximately 2.22Wh of nominal energy for compatible portable electronics, wireless modules, and IoT applications.
  • 3.7V Lithium Polymer Technology
    Designed for rechargeable single-cell lithium battery systems using a compatible charging and power-management circuit.
  • Custom Battery Wires and Connectors
    Supports customized cable lengths, wire specifications, connector models, and assembly requirements for OEM applications.
  • Optional PCM Protection Circuit
    Protection circuit integration can be evaluated for overcharge, overdischarge, and overcurrent protection according to the final design.
  • OEM and ODM Manufacturing Support
    LithoTop supports battery selection, technical drawing confirmation, prototype development, and production specification preparation.
Industrial Power Tool Battery With High Drain Li Ion Cells For Heavy Duty Performance.
  • Wireless IoT monitoring sensors
  • Smart home security devices
  • Portable electronic measuring instruments
  • Wireless access control equipment
  • Rechargeable electronic alarms
  • Wearable electronic accessories
  • Portable environmental monitoring devices
  • Compact wireless communication modules
  • Smart tracking and identification devices
  • Customized industrial electronic products

6mm Thickness Flat Lipo Battery

ModelsVoltage(V)Capacity(mAh)Cell Dimensions(mm)Shape
6010153.7606.0*10*15mmRectangle
6010303.71506.0*10*30mmRectangle
6010403.72006.0*10*40mmRectangle
6010453.72606.0*10*45mmRectangle
6011143.7606.0*11*14mmRectangle
6011153.7706.0*11*15mmRectangle
6012183.7906.0*12*18mmRectangle
6012203.71106.0*12*20mmRectangle
6012253.71506.0*12*25mmRectangle
6012253.81906.0*12*29mmRectangle
6012303.71806.0*12*30mmRectangle
6012363.72506.0*12*36mmRectangle
6012453.73206.0*12*45mmRectangle
6012603.74006.0*12*60mmRectangle
6013323.71706.0*13*32mmRectangle
6014303.72106.0*14*30mmRectangle
6014303.82806.0*14*30mmRectangle
6014353.72806.0*14*35mmRectangle
6014483.74006.0*14*48mmRectangle
6014523.74506.0*14*52mmRectangle
6015153.7906.0*15*15mmRectangle
6015203.71506.0*15*20mmRectangle
6015253.71806.0*15*25mmRectangle
6015303.7230-3C6.0*15*30mmRectangle
6015303.72506.0*15*30mmRectangle
6015353.73006.0*15*35mmRectangle
6016213.7160-3C6.0*16*21mmRectangle
6016243.71806.0*16*24mmRectangle
6017303.72706.0*17*30mmRectangle
6017353.73506.0*17*35mmRectangle
6017483.74806.0*17*48mmRectangle
6017523.75006.0*17*52mmRectangle
6018183.71606.0*18*18mmRectangle
6018213.71806.0*18*21mmRectangle
6018433.74506.0*18*43mmRectangle
6020203.72006.0*20*20mmRectangle
6020253.72506.0*20*25mmRectangle
6020303.73006.0*20*30mmRectangle
6020353.74006.0*20*35mmRectangle
6020403.74506.0*20*40mmRectangle
6020453.75006.0*20*45mmRectangle
6020603.78006.0*20*60mmRectangle
6020603.810006.0*20*60mmRectangle
6020803.712006.0*20*80mmRectangle
6022253.72606.0*22*25mmRectangle
6022423.75006.0*22*42mmRectangle
6022483.76506.0*22*48mmRectangle
6024233.73006.0*24*23mmRectangle
6024353.7400-10C6.0*24*35mmRectangle
6025253.73006.0*25*25mmRectangle
6025253.84006.0*25*25mmRectangle
6025303.74006.0*25*30mmRectangle
6025353.75006.0*25*35mmRectangle
6025403.76006.0*25*40mmRectangle
6025603.710006.0*25*60mmRectangle
6026263.74006.0*26*26mmRectangle
6026613.713006.0*26*61mmRectangle
6026903.716006.0*26*90mmRectangle
6027403.76006.0*27*40mmRectangle
6028233.73506.0*28*23mmRectangle
6028273.74206.0*28*27mmRectangle
6028303.75306.0*28*30mmRectangle
6028403.77006.0*28*40mmRectangle
6030303.75006.0*30*30mmRectangle
6030353.76006.0*30*35mmRectangle
6030403.77506.0*30*40mmRectangle
6030483.710006.0*30*48mmRectangle
6030553.710006.0*30*55mmRectangle
6030603.712006.0*30*60mmRectangle
6034433.78506.0*33*43mmRectangle
6034503.712006.0*34*50mmRectangle
6037593.715006.0*37*59mmRectangle
6040403.710006.0*40*40mmRectangle
6040503.715006.0*40*50mmRectangle
6040603.718006.0*40*60mmRectangle
6040703.720006.0*40*70mmRectangle
6043403.712006.0*43*40mmRectangle
6043653.825006.0*43*65mmRectangle
6045453.715006.0*45*45mmRectangle
6050603.721006.0*50*60mmRectangle
6050803.730006.0*50*80mmRectangle
6060903.740006.0*60*90mmRectangle
60601003.750006.0*60*100mmRectangle
6214303.72306.2*14*30mmRectangle
6215253.72206.2*15*25mmRectangle
6216653.76906.2*16*65mmRectangle
6223343.85006.2*23*34mmRectangle
6340633.718006.3*40*63mmRectangle
6512143.7706.5*12*14mmRectangle
6512483.73306.5*12*48mmRectangle
6513133.7656.5*13*13mmRectangle
6515203.71506.5*15*20mmRectangle
6515353.73006.5*15*35mmRectangle
6516653.77206.5*16*65mmRectangle
6517253.72306.5*17*25mmRectangle
6517283.72406.5*17*28mmRectangle
6517303.7260-5C6.5*17*30mmRectangle
6517303.72806.5*17*30mmRectangle
6517503.77006.5*17*50mmRectangle
6519213.72306.5*19*21mmRectangle
6520253.73006.5*20*25mmRectangle
6520353.74206.5*20*35mmRectangle
6520403.75206.5*20*40mmRectangle
6524323.74506.5*24*32mmRectangle
6524613.812506.5*24*61mmRectangle
6525303.75006.5*25*30mmRectangle
6526723.713006.5*26*72mmRectangle
6527283.75006.5*27*28mmRectangle
6527293.86206.5*27*29mmRectangle
6530303.76806.5*30*30mmRectangle
6530403.78006.5*30*40mmRectangle
6530503.812506.5*30*50mmRectangle
6532373.77806.5*32*37mmRectangle
6534353.78006.5*34*35mmRectangle
6534503.713006.5*34*50mmRectangle
6540603.720006.5*40*60mmRectangle
6540653.722006.5*40*65mmRectangle
6540753.725006.5*40*75mmRectangle
6550653.834006.5*50*65mmRectangle
6550653.730006.5*50*65mmRectangle
6560903.750006.5*60*90mmRectangle
6718183.71606.7*18*18mmRectangle
6720453.76006.7*20*45mmRectangle
6813453.74006.8*13*45mmRectangle
6818183.71556.8*18*18mmRectangle
6820283.73806.8*20*28mmRectangle
6830483.710006.8*30*48mmRectangle

*Contact us for custom LiPo battery or customize your special battery !

Customer Development Story

Discover how we helps global customers solve real-world battery challenges through customized lithium battery solutions.

01 – South Korea Smart Locker Monitoring System

Illustrative application scenario based on typical OEM development requirements; LithoTop’s KC completion for a Korean customer project is confirmed, while the application details below are representative.

Project Background: A South Korean electronics manufacturer developing a smart locker monitoring system needed a compact rechargeable battery for a wireless status-detection module. The module was designed to monitor locker activity and transmit information to a central management system without requiring a permanent wired power connection.

The product design included a compact PCB, a wireless communication module, a magnetic detection sensor, and a rechargeable battery. The manufacturer wanted to keep the electronic module small enough to install inside different locker designs while maintaining practical operating time between charging intervals.

Battery Development Challenge: One challenge was the difference between the device’s low standby power consumption and the short current peaks generated during wireless communication. Although the sensor remained in standby for much of its operating time, periodic transmissions increased the instantaneous power requirement.

The customer therefore needed to consider not only battery capacity but also the cell’s discharge capability, voltage behavior during transmission, and compatibility with the device’s charging circuit.

A second consideration was the South Korean market’s applicable KC requirements. The manufacturer needed to establish a suitable battery configuration and ensure that the relevant compliance work was addressed before final product commercialization.

LithoTop Engineering Approach: The 603035 3.7V 600mAh LiPo battery was considered as a candidate because its nominal dimensions were suitable for compact electronic assemblies.

The engineering evaluation would include battery compartment dimensions, PCB clearance, connector orientation, and cable routing. The device’s standby current and wireless transmission profile would also be reviewed to estimate practical operating time.

For a protected battery assembly, the PCM dimensions and wiring arrangement would need to be included in the final mechanical drawing. The customer would also need to confirm the charging voltage and current limits against the selected cell specification.

KC Compliance Experience: LithoTop completed KC requirements for a South Korean customer project involving the 603035 battery. This project-specific experience provides a useful reference when discussing compliance planning, technical documentation, and configuration control with other Korean OEM customers.

Sample Testing and Production Confirmation: A representative validation process would include standby-current measurement, repeated wireless transmission testing, charging verification, and battery runtime evaluation.

Before mass production, the customer would confirm the final battery drawing, connector specifications, protection configuration, approved sample, and applicable compliance documentation.

Customer Value: This development approach demonstrates how battery selection, mechanical integration, and KC-related requirements can be considered together rather than treated as separate tasks. It can help Korean OEM manufacturers establish a more controlled path from battery evaluation to product production.

02 – Austria Portable Soil Nutrient Testing Instrument

Illustrative application scenario demonstrating CE/RoHS-related engineering considerations. LithoTop’s completion of CE and RoHS compliance work for another customer project is confirmed; the application and country below are representative.

Project Background: An Austrian agricultural technology developer was designing a portable soil nutrient testing instrument for field technicians and agricultural consultants. The handheld device was intended to measure selected soil parameters and display results without requiring an external power connection.

The instrument combined sensing electronics, a small display, a microcontroller, and a rechargeable power system. The customer wanted to provide enough battery capacity for repeated field measurements while keeping the device compact and convenient to carry.

Development Challenge: The instrument’s power consumption varied depending on its operating mode. During measurement, the sensing electronics and display were active. Between measurements, the device entered a lower-power state to conserve energy.

The customer needed to understand how the battery would perform under this mixed operating profile. Simply calculating runtime from the nominal 600mAh capacity would not fully account for measurement frequency, standby consumption, voltage conversion losses, or battery cutoff conditions.

Mechanical integration was another consideration. The enclosure contained multiple internal components, leaving limited space for the battery and charging circuitry. Wire routing and connector positioning therefore needed to be coordinated with the PCB layout and enclosure design.

Battery Selection and Technical Evaluation: The 603035 3.7V 600mAh lithium polymer battery offered a candidate format for the compact handheld instrument.

The recommended evaluation would begin with measuring current consumption during active measurements, display operation, and standby. These values could then be used to calculate an estimated operating profile and establish realistic runtime targets.

LithoTop could also review customized wire length, connector selection, and optional PCM protection to support the customer’s mechanical and electrical requirements.

CE and RoHS Compliance Experience: LithoTop completed CE and RoHS compliance work for a separate customer project involving the 603035 battery. For a European-market instrument, the manufacturer would need to determine the applicable requirements for the finished product and confirm whether the battery’s available documentation was suitable for the intended configuration.

RoHS-related review would focus on applicable restricted-substance requirements, while CE-related conformity work would depend on the relevant legislation and end-product characteristics.

Prototype Testing and Pre-Production Review: A representative validation program would include charging tests, operating-current measurement, runtime verification, connector inspection, and dimensional checks against the enclosure.

Before mass production, the customer would approve the battery specification, confirm the mechanical assembly, review the relevant compliance documentation, and establish production inspection criteria.

Customer Value: This scenario illustrates how a compact rechargeable battery can be evaluated for portable testing equipment while incorporating electrical performance, product integration, and European-market compliance considerations into the development process.

Why Choose LithoTop for 603035 LiPo Battery Solutions?

Factory Support

LithoTop is a professional custom lithium battery manufacturer specializing in rechargeable lithium polymer batteries, lithium-ion battery packs, and application-specific power solutions for B2B customers.

Our engineering team works with device manufacturers to evaluate battery dimensions, capacity, discharge current, charging parameters, wire specifications, connector requirements, and protection circuit integration. This approach helps customers select battery configurations that are compatible with their product designs.

With experience supporting KC requirements for a Korean customer and CE/RoHS compliance work for another customer, LithoTop can assist international OEM customers in coordinating technical specifications and relevant market documentation.

From initial battery selection and sample evaluation to final production specification confirmation, LithoTop focuses on consistent communication, practical engineering support, and long-term battery supply partnerships.

More Customer Cooperation Cases

Powering leading batteries across wearables, medical devices, IoT, and consumer electronics in 30+ countries.. 

Emergency Lighting Battery

Security System

A European security equipment manufacturer needed a reliable lithium-ion battery pack for its emergency lighting system. LithoTop developed a customized battery solution with compact dimensions, stable power output, and dependable backup performance during power outages.
Portable Medical Device

Portable Medical Monitor

A startup company focusing on smart health products needed a flexible battery solution for their next-generation fitness monitoring wearable. The device design was slim and curved, requiring a customized LiPo battery with precise dimensions and stable charging performance.
Portable Translator Device

Portable Translator

A customer from Asia was developing a portable AI translation device for travel and business communication. The product required a battery with stable voltage output, compact size, and long standby performance to support voice processing and wireless transmission.

Handling Precautions & Guidelines

Find answers to the most common questions about ordering, shipping, certifications, and working with lithotop as your battery partner. 

Engineer’s will make inner BOM according to your confirmed samples. And our quality control teams continuously monitor the entire manufacturing process to ensure the each mass production is the same as samples.

LithoTop specializes in custom lithium battery solutions, including LiPo batteries, Li-ion battery packs, LiFePO4 batteries, high-rate drone batteries, curved batteries, ultra-thin batteries, and custom rechargeable battery packs for industrial and consumer applications.

LithoTop focuses on:Custom battery solutions for special applications, own developed PCB/PCM to help you with Competitive factory-direct pricing, Experience with difficult battery projects such as curved, ultra-thin, and high-discharge batteries. Long-term cooperation support for startups and established brands.

Yes. LithoTop provides fully customized battery solutions based on your device requirements, including voltage, capacity, discharge rate, dimensions, connector type, PCM/BMS protection, and special shapes such as curved or ultra-thin batteries.

Standard samples are usually available quickly about 3-7 days, while custom battery projects typically require evaluation, engineering confirmation, prototyping, and testing. The timeline depends on battery specifications, and certification requirements. Mass order is about 30 working days.

Depending on the product and project requirements, LithoTop batteries can support certifications including UN38.3, MSDS, CE, RoHS, IEC62133, UL , and other transportation or safety compliance documents.

MOQ depends on the battery model and customization level. Standard batteries may support lower quantities like 100pcs, while fully customized battery projects usually require a development MOQ. LithoTop supports both prototype projects and mass production orders.

LithoTop follows strict quality control procedures including:Incoming material inspection, Cell matching and grading Capacity, and voltage testing, Aging and performance tests, 100% Safety inspections before shipment.Quality consistency is critical for battery reliability and long-term cooperation.

Normally, we ship our batteries via DHL, UPS, FedEx, air freight, or sea , depending on order size, destination, and customer preference.

Yes. LithoTop can support project-based certification and documentation requirements such as KC, CE, RoHS, UN38.3, MSDS, and other battery-related documents according to customer market requirements.

Our Factory Insight

LithoTop operates advanced lithium battery manufacturing facilities equipped with automated production lines, precision testing equipment, and strict quality control systems. From cell selection to battery assembly and final inspection, every process is carefully managed to ensure stable performance, reliable quality, and high production efficiency. With experienced engineers and strong OEM/ODM capability, we provide customized battery solutions for customers worldwide.

Global Certifications & Compliance Support

LithoTop provides comprehensive certification support for custom lithium batteries to help customers accelerate product development and global market entry. From prototype verification to mass production, our engineering team assists with battery compliance, transportation documentation, and international safety standards, reducing certification risks and shortening your project timeline.

Industry News Insight

Stay updated with the latest lithium battery industry news, product innovations, technology insights, and application trends from LithoTop. Explore expert articles, battery guides, and industry updates to learn more about custom lithium battery solutions, energy storage, UAV batteries, wearable device batteries, and advanced power technologies.

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