For battery replacement, IP67 waterproofness and Ex compliance verification and sealing testing

Battery Service


  • Device to be serviced

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TWIG personal alarms are designed for protection and safety of people. The durable TWIG devices are built to last years of usage. However, all rechargeable batteries have a limited lifespan and eventually need to be replaced.

The battery capacity decreases as a result of aging and use of device. In the end the capacity may not be any longer sufficient for safety use, even though the device appears to be functioning normally.

To ensure reliable operation of the device in safety use, it is recommended to replace its battery every 3-4 years.

We offer the TWIG Battery Service as a convenient and effective solution for maintaining TWIG personal alarms and extending their life-cycle. The fixed price includes:

  • new battery cell and battery protection circuitry
  • new back cover with sealing
  • labor cost
  • verification of IP67 waterproofness
  • functional testing of the device
  • new Ex protection circuitry (only TWIG ATEX compliant personal alarms like TWIG Protector Ex)
  • verification of Ex compliance (only TWIG ATEX compliant personal alarms like TWIG Protector Ex)
  • proper recycling of replaced battery cells and electronics