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702030 300mAh 20C Discharge Lipo Battery

The 702030 3.7V 300mAh 20C High Rate LiPo Battery is a compact rechargeable lithium polymer battery designed for small electronic products that require lightweight structure, stable voltage output, and fast discharge performance. With 300mAh capacity and 20C discharge capability, this battery is suitable for mini drones, micro RC models, smart toys, wireless sensors, wearable devices, and compact high-power electronics.

As a professional lithium polymer battery manufacturer, LithoTop provides customized 702030 LiPo battery solutions, including connector selection, wire length, PCM protection, cable direction, labels, shrink wrap, and OEM/ODM battery pack assembly.

Additional information

Product Type

High-C Lipo Battery

Model number

702030

Voltage (Nominal)

3.7V

Capacity (Nominal)

300mAh

Dimensions

Max. 7.5*20.5*34mm

Constant Discharge Current

20C

Working Temperature

charge: 0-45℃; discharge: -20-60℃

Certification

ISO9001/ISO14001

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.

702030 300mah 20c Size

The 702030 3.7V 300mAh 20C LiPo battery is engineered for applications where size, weight, and discharge response must be carefully balanced. Compared with standard low-rate small LiPo batteries, the 20C discharge rate allows stronger current output for products that need quick motor start-up, short acceleration, wireless transmission peaks, or temporary high-load operation.

With its 300mAh capacity, this battery provides longer operating time than many ultra-small LiPo cells while still maintaining a compact structure. It is a practical choice for product developers who need more runtime than 150mAh or 200mAh batteries but cannot use a larger battery pack.

LithoTop applies strict production control during cell selection, capacity testing, voltage inspection, internal resistance testing, aging verification, appearance checking, and final quality inspection. These processes help ensure stable performance, reliable safety, and batch consistency before shipment.

Product Type
  • Compact 702030 Battery Size
    Designed for small electronic devices with limited internal installation space.
  • 300mAh Practical Capacity
    Provides a good balance between runtime, weight, and compact product design.
  • 20C High Rate Discharge
    Supports fast current output for motors, wireless modules, and short high-load operation.
  • Stable 3.7V Output
    Delivers reliable voltage performance for compact electronic systems.
  • Fast Power Response
    Suitable for devices requiring quick start-up, acceleration, or instant output.
  • Low Internal Resistance Design
    Helps improve discharge efficiency and reduce unnecessary power loss.
  • Strict Quality Inspection
    Each battery is tested for voltage, capacity, internal resistance, appearance, and consistency before shipment.
  • Custom Battery Pack Assembly
    Supports customized connectors, wire direction, cable length, PCM protection, labels, and packaging.
Bionic Robot
  • Mini drones
  • Micro RC aircraft
  • Small RC cars
  • Smart toys
  • Wearable electronic devices
  • Wireless sensors
  • Bluetooth accessories
  • IoT tracking devices
  • Portable medical sensors
  • Compact high-rate electronic products

FPV/UAV Lipo Battery

Typical capacity(mAh)Voltage(V)CellsC RateDimensions L*W*H(mm)Weight(g)
1000023.46S10C/20C162*72*38880
46.812S10C/20C162*72*741700
1200023.46S10C/20C165*72*431015
46.812S10C/20C165*72*851980
1600023.46S10C/20C188*76*481380
46.812S10C/20C188*76*962700
2200023.46S10C/20C188*76*651860
46.812S10C/20C188*76*1303620
2700023.46S10C/20C215*92*602220
46.812S10C/20C215*92*1204380
3200023.46S10C/20C215*92*702610
46.812S10C/20C215*92*1405150
5400023.46S10C/20C215*92*1204390
6400023.46S10C/20C215*92*1385180

*Contact us for more Li-Po batteries or customize your special battery!

Customer Development Story

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

Why Choose LithoTop for 702030 High Rate LiPo Battery Solutions?

Small high rate LiPo batteries require more than basic capacity. For stable performance, the battery must control internal resistance, discharge consistency, voltage stability, connector reliability, and production repeatability. LithoTop supports customers from sample development to mass production with professional engineering support and strict quality inspection.

For compact electronic products, LithoTop can help evaluate battery size, discharge current, charging method, protection circuit, connector type, and real operating conditions before confirming the final battery solution. This helps customers reduce development risk and improve product reliability.

01 – Mini RC Aircraft Project from the United Kingdom

A UK RC hobby brand was developing a lightweight indoor RC aircraft for beginner and intermediate users. The customer’s main problem was that the previous battery could not provide stable output during takeoff and climbing. When the aircraft needed a quick power response, the voltage dropped too quickly, causing weak acceleration and unstable flight control.

The customer contacted LithoTop because they needed a compact high rate LiPo battery that could provide better discharge performance without adding too much weight. LithoTop reviewed the motor current, propeller size, controller requirement, battery compartment dimensions, charging method, and expected flight time.

After analysis, LithoTop recommended the 702030 3.7V 300mAh 20C High Rate LiPo Battery. Our engineering team judged that the 300mAh capacity could provide better runtime than smaller cells, while the 20C discharge rate could support short high-current demand during takeoff and climbing.

During sample development, LithoTop optimized the connector type, wire length, cable outlet direction, and outer insulation structure to match the aircraft body. Sample testing included takeoff power testing, voltage drop checking, short flight endurance testing, repeated charge-discharge cycles, and temperature monitoring after continuous operation.

Before mass production, both teams confirmed samples, battery dimensions, connector specifications, cable direction, labeling details, and batch inspection standards. After launch, the aircraft showed improved takeoff response and smoother flight performance. For the customer, this helped reduce user complaints, improve product reviews, and strengthen their RC aircraft product line.

02 – Smart Toy Sensor Project from Germany

A German smart toy company was developing an interactive toy with motion sensing, sound response, and wireless communication functions. The device needed to stay small and lightweight, but it also required short bursts of higher current when the motor and wireless module worked at the same time. Their previous standard LiPo battery performed well in standby mode, but the device restarted occasionally during peak load.

The customer approached LithoTop because they needed a battery manufacturer that could evaluate real working conditions instead of only supplying a standard small-capacity cell. LithoTop analyzed the toy’s standby current, motor start-up current, wireless transmission peak, charging circuit, enclosure space, and expected daily usage cycle.

Based on the evaluation, LithoTop recommended the 702030 3.7V 300mAh 20C LiPo battery. The 20C discharge capability helped support short current peaks, while the 300mAh capacity provided suitable runtime for daily play. LithoTop also suggested optimizing the wire route and connector position to simplify assembly inside the compact housing.

During prototype testing, sample batteries were tested through motor start-up simulation, wireless transmission pulse testing, voltage stability checking, charging compatibility testing, and installation fit verification. The customer confirmed that the device operated more reliably during combined motor and wireless activity.

Before mass production, the customer approved the final sample, connector durability, battery label, packaging method, and incoming inspection standard. The final battery solution helped reduce unexpected shutdowns and improved the user experience. For the customer, this meant fewer after-sales issues and a more stable smart toy product for retail markets.

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Handling Precautions & Guidelines

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

LithoTop confirms golden samples before mass production and follows strict inspection standards for cell matching, internal resistance, voltage, capacity, discharge performance, appearance, labeling, and packaging. This helps ensure that mass production follows the approved sample quality.

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 can customize connectors, discharge wires, balance plugs, cable length, labels, shrink wrap, packaging, and other battery pack details according to customer project requirements.

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.

The main advantage is its compact size with high rate discharge capability. It provides better current output than standard small LiPo batteries while keeping the product lightweight.

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

This battery is suitable for mini drones, micro RC aircraft, small RC cars, smart toys, wireless sensors, wearable devices, Bluetooth accessories, IoT trackers, and compact electronic products.

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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