5 year Berger guarantee:

We guarantee more than 3,000 charging cycles at 80% doD.

We guarantee more than 3,000 charging cycles at 80% doD (depth of discharge).
The guarantee does not cover damage, defects and malfunctions caused by

• force majeure (e.g. lightning, overvoltage, storms, flooding, fire)
• normal wear and tear
• mechanical impact or the effects of force such as transportation damage, dropping, deformation
• improper, abusive or negligent handling or use
• incorrect installation or commissioning
• Malfunction of other connected devices
• Non-observance of safety precautions
• independent modifications, programming or repairs
• improper use in accordance with the operating instructions or in any other way
  inappropriate handling of the goods