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The electrical system is mainly solar powered and stored in an array of batteries.

Solar Panels

The solar panels are Conergy 260P panels. There are six panels on each side of the car path.

Batteries

There are 12 NCT-13 Lead Calcium batteries. These are all wired in series. This makes the battery bank a 24V system.

When charging there is a near-constant gurgling sound. This is relatively normal but the constancy could point to the batteries nearing their end of life.