The 'standby battery' of the Solar Recharger Bag can be recharged in three ways:

• strong sunlight, takes approximately 4 hours, less sunlight longer.
• a power point, using the AC Adaptor supplied, takes 2.5 to 3 hours.
• a car cigarette lighter port, using the Adaptor supplied takes 2.5 to 3 hours.

The mobile device is then connected to the 'standby battery' using one of the supplied jacks (see the list of supplied jacks in the Technical Details section), for charging. The manufacturer claims a full charging of the 'standby battery' will provide an average of 4 hours standby time or 10 minutes talk time for typical mobile phones. This depends on the energy consumption demands of your mobile device.

Built into the 'standby battery' are a green and red LED lights to indicate status and function of the battery. The manufacturer claims the 'standby battery' has a life span of 3 years. Replacement batteries can be purchased separately and subsequently.