Note: The following information applies to the devices IS310.2, IS320.1, IS330.1, IS330.2, IS330.RG 

The battery may be defective. Reason for a defective battery may be the result of deep discharge, or the battery has reached the end of its life cycle.

In both cases, replace the battery with a new one.

Approved replacement batteries can be found on the i.safe Mobile website.