VARTA CoinPower A4 Batteries Are Designed for the Future Development of Wearable and Mobile Devices

VARTA has launched a new VARTA CoinPower A4 generation battery, opening up opportunities for...


VARTA has launched a new VARTA CoinPower A4 generation battery, opening up opportunities for the future development of wireless and mobile devices in a wide range of application areas. From wireless headphones and medical devices through measurement and safety systems and automotive applications, Varta manufactures batteries as prototypes or in large series, both as standard versions and in line with customer specifications.

Related VARTA Plans to Boost Production to More Than 150 Million Cells Per Year

VARTA CoinPower batteries are the first choice for a number of modern high-tech portable products. They provide a long-lasting, reliable main power source that is lightweight and occupies a minimum of space in the host device, reports VARTA.

VARTA CoinPower batteries meet the most important design requirements of these products: Reliable high-power output, design flexibility with a minimum of space requirement, and a round form factor.


  • High energy density
  • Wound electrode design
  • Built-in safety device with chemical safety components
  • Fully automated production in Germany
  • Worldwide branch offices with technical support


  • Lightweight and small size
  • High discharge currents
  • The market’s best safety performance
  • High reliability and consistent quality
  • Close customer relationship

Customer Benefits

  • The best performance and long battery life
  • Suitable for applications with high peak currents
  • Additional cell protection in case the electronic circuit malfunctions
  • High reliability in the field
  • Local contact, local knowledge, local language


VARTA CoinPower batteries are especially suitable for modern electronic applications such as Bluetooth Mono/Stereo Headsets, Sensors for Fitness/Sport/ Healthcare, Smart Watches, Wearable Technology, Smart Car Keys, and many more. These cells are the ultimate power source for your electronic devices and make your products smaller, lighter, and more attractive. VARTA CoinPower provides outstanding performance and reliability, excellent quality along with very safe operation.1.3 Applications.


VARTA CoinPower batteries are delivered in a state-of-charge (SoC) of approximately 30% of their full capacity. This provides the best condition for long-term storage at the lowest self-discharge rate. Higher temperatures increase the rate of self-discharge. It is recommended to store the cell at a state-of-charge between 30 % and 50 % at room temperature (20 °C) or lower.

Related SAFEDI Wearable Clip Warns Against Too Much Proximity In Corona times, VARTA CoinPower Supplies Energy

About VARTA Microbattery

VARTA Microbattery is a leading manufacturer of batteries and provides professional support worldwide to customers to help them to design VARTA batteries into their applications. Quality, reliability, high performance and customer satisfaction are the main reasons for our leading position in the market. VARTA Microbattery provides solutions to major OEM companies for high-tech applications such as Bluetooth headsets, activity trackers, heat cost allocator devices, backup for memory, and the real-time clock in PCs/notebooks as well as alarm systems, medical equipment, consumer electronics, and many more product types. VARTA Microbattery produces all major chemistries in various form factors. We are fully equipped to produce customized batteries. We are confident that we can provide an optimized battery solution for most application requirements.

Sam Draper
April 28, 2021

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