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Technology description
Batteries and configuration

All our Best for Your Electronic Devices

Primary Lithium button cell batteries for reliable applicationsen

Nearly all electronics applications need safe and reliable Memory Back Up (MBU) or Real Time Clock (RTC) batteries. But also for long-term applications, e.g. for clocks, car key applications or remote controls where long running time, a slim design and low weight for a battery are important.

For all these needs VARTA Microbattery offers a wide range of Primary Lithium Button Cell Types with a voltage of 3.0 V and capacities from 27 mAh up to 560 mAh. Various other battery assemblies with higher voltage or capacities are possible. We have for each CR Type a wide range of already existing printed circuit board assembly (PCBA) designs. In addition VARTA Microbattery offers a huge number of wire and connector assembly versions. With a flexible and fast make to order supply we can make customized batteries to your individual design / printing circuit board (PCB) requirements and supply though our worldwide network.

Get the best from our extensive battery experience and worldwide resources!

Primary Lithium Button Type RangeOutstanding application performance is guaranteed for the electronic device designer.
Focused on the market requirements of modern electronic devices VARTA Microbattery offers high-tech Primary Lithium Button Battery assemblies:

  • Various PCB, SMT and wire & connector versions (e.g. with laser welding tags 0.1 mm)
  • High Capacity for longer running time
  • Low self-discharge for long life
  • Wide temperature range (-20 °C up to 70 °C)
  • UL Recognition
  • Safe & reliable


  • Hundreds of battery assemblies available
  • Global design-in teams
  • High-tech application labs
  • Outstanding key account customer references
  • Worldwide branch office & distribution network
  • ISO 9001/14001


Test our services and batteries!

Your query about Batteries, cells & configurations

Not for inquiries from end consumers. Please contact the retailer who sold you the equipment.
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1 up to 100 pcs
100 up to 1,000 pcs
1.000 up to 10,000 pcs
10,000 up to 100,000 pcs
more than 100,000 pcs
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(Battery technology: Primary Lithium Button)
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Used in following applications ...

  • alarm system

  • bicycle computer

  • blood sugar indicator

  • car key

  • car stereo

  • electronic calculator

  • electronic database

  • key lights

  • medical application

  • memory back-up (MBU)


  • real time clock (RTC)

  • remote control

  • timer

  • watch (digital & analog)