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Lithium-Ion Cells

Lithium-Ion Cells

Lithium-Ion cells have a high energy density compared to other systems, as well as high cycle life (3.7 V system). Main power for portable and cordless devices.


Lithium-Ion Button Cells

VARTA Microbattery has provided dedicated energy solutions to major OEM companies for high-tech applications in bluetooth headsets for smart phones, notebook bridging function, body shaping and training sensors, medical and health care equipment, wireless sensor and network infrastructure and many more. For all these applications VARTA offers a range of Lithium-Ion button cells and battery assemblies in diameters from 9.4 - 16.1 mm with 29 mAh to 155 mAh. CoinPower® - the battery family that constantly expands.

With several billion rechargeable button cells sold to date, you can trust that we have a solution to meet your battery requirements.

CoinPower F-Version - More Information
LFP technology for extraordinary saftey  Download Fact Sheet

Rechargeable Lithium-Ion Button Type Range CoinPower®

Focused on the market requirements of modern electronic devices, VARTA offers high-power rechargeable Lithium-Ion coin cells:

  • Capacities from 29 mAh up to 155 mAh
  • Low internal resistance for discharge currents up to 5 CA
  • No memory effect
  • Patented innovations
  • Excellent charge & discharge characteristics
  • 0 % lead, 0 % mercury and 0 % cadmium
  • Safe & reliable (UL recognition)
  • Battery designs in various assemblies or direct contacting

Test our services and cells!

Outstanding performance and worldwide product support is available for the design engineer:

  • Highest energy density
  • High discharge rate
  • Stable product quality: Produced on highly automated production lines: Made in Germany
  • Very long service life with full cycles
  • Low self-discharge
  • Global design-in teams
  • UL 1642 / IEC62133 certified


  • Baby monitoring
  • Bluetooth headsets
  • Dashcams
  • E-cigarettes
  • Energy harvesting
  • Hearing aids
  • Industry 4.0 sensors
  • Medical applications
  • Pet wearables
  • Sensors
  • Smart Car Keys
  • Smart home
  • Smart toys
  • Smart watches, Fitness tracker, Smart jewelry
  • Watch (digital & analog)

Batteries and configuration

The requirements for batteries depend on the type of device. We provide reliability and safety for any technical solution.