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Premium Lithium & Li-ion Batteries

Delivering high-performance, reliable, and customized battery solutions for IoT, medical devices, robotics, wearables, and industrial applications. Over 16 years of innovation and quality.

✅ 24H Fast Response | ✅ 16+ Years Experience | ✅ Global Applications | ✅ Quality Assurance

Our Premium Battery Products

Engineered for performance, safety, and longevity. From low-temperature resilience to ultra-fast charging, our batteries power the future.

Li-ion 21700 3.7V 5000mAh

Max current: 20A | Voltage: 2.5~4.2V

  • • High energy density
  • • Long cycle life
  • • Ideal for power tools

18650-14.8V 6900mAh Pack

14.8V | 6900mAh | 8A discharge

  • • Custom battery pack
  • • -20°C to 60°C operation
  • • Medical & industrial use

Low-Temp Lithium 7.2V 2600mAh

-40°C to +60°C | Fuel gauge

  • • Operates in extreme cold
  • • Portable device compatible
  • • Stable performance

Li-Polymer 605969PV 3.7V 4000mAh

Max pulse: 7A | 2.75~4.35V

  • • High pulse output
  • • Flexible design
  • • Smart wearable ready

Li-ion 18650 3.6V 3500mAh

10A max current | 2.5~4.2V

  • • High discharge rate
  • • Rechargeable
  • • Durable cycle life

Lithium Battery CP902530LT

Low self-discharge | 10+ year life

  • • IoT & GPS compatible
  • • <2% annual discharge
  • • RFID & security systems

Li-MnO2 CP503638P-2P

3.0V | 3000mAh | -20°C to 60°C

  • • Primary lithium battery
  • • High pulse capability
  • • Industrial sensors

ER34615S Li-SOCl2 Battery

3.6V | 12500mAh | High temp

  • • Non-rechargeable
  • • Long shelf life
  • • Metering & telemetry

Cylindrical Li-ion 18 Series

Customizable | High performance

  • • Professional applications
  • • Scalable design
  • • OEM/ODM supported

Consumer Li-ion Battery

4.2-4.5V max | 550-850Wh/L

  • • High energy density
  • • >500 cycles
  • • Safe at 80°C

ER261020SH High Temp Battery

3.6V | 10500mAh | Li-SOCl2

  • • Extreme environment use
  • • Long-term deployment
  • • Oil & gas compatible

7.4V 3500mAh Li-ion Medical

With fuel gauge | Protection circuit

  • • Medical device certified
  • • High safety standard
  • • Reliable power delivery

About KEEPON Energy

KEEPON specializes in the design and manufacture of primary and rechargeable lithium batteries. With over 16 years of battery experience, we are committed to providing high-quality and technologically advanced solutions to partners in NB-IoT devices, portable electronics, power tools, medical equipment, and communication systems.

Our facilities span three locations in Guangdong, China. From design and engineering to performance testing and mass production, KEEPON delivers accelerated end-to-end solutions. Our vertical integration, global footprint, and technology-agnostic approach enable us to bring safe, reliable, and innovative power solutions to market faster than ever.

  • 16+ Years Industry Experience
  • 3 Manufacturing Facilities in China
  • Full Customization & ODM Support
  • 24-Hour Customer Response
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Core Values

Honesty, value, and win-win partnerships drive everything we do. We believe in long-term collaboration, transparency, and delivering exceptional value to our global clients.

Custom Battery Solutions

As a one-stop customized battery solution provider, KEEPON supports clients across industries with tailored energy systems.

Smart Wearable Devices

Custom flexible sizes, high energy density, and safe battery pack design for wearables, fitness trackers, and health monitors.

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Personal Care Devices

8C-12C high pulse discharge, stable performance, up to 500 cycles. Ideal for electric shavers, massagers, and beauty tools.

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Robotic Cleaners

High energy density, strong cycle life, and reliable performance. Engineered for autonomous floor cleaners and lawn robots.

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Laptops & Tablets

Customized sizes, high safety, low self-discharge. Designed for portable computing with long runtime and reliability.

16+
Years of Experience
3
Manufacturing Sites
24H
Customer Response

Frequently Asked Questions

What is the operating temperature for low-temperature lithium batteries?

Our low-temperature batteries are designed to operate as low as -40°C, making them ideal for applications in extreme cold environments such as outdoor IoT sensors, Arctic monitoring, and industrial equipment in cold storage.

Are your batteries suitable for medical devices?

Yes. We offer Li-ion batteries with protection circuits and fuel gauges specifically designed for medical applications, ensuring high safety, reliability, and stable performance under critical conditions.

Do you offer custom battery pack design?

Absolutely. KEEPON is a one-stop customized battery solution provider. Our engineering team works closely with clients to design and manufacture battery packs tailored to size, voltage, capacity, and performance requirements.

What chemistries do you support?

We specialize in Lithium-ion (Li-ion), Lithium-polymer (LiPo), Lithium-Manganese Dioxide (Li-MnO2), and Lithium-Thionyl Chloride (Li-SOCl2) batteries, both rechargeable and primary types.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to contact the KEEPON Energy team directly.

Email: sales@keeponenergy.com

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