This 4 battery Cool Cell Enclosure is fitted with a side box for related electrical components which could include charge controllers, circuit breakers, or other electronic equipment.  Its’ generally not good practice to mix batteries with electronic components especially if a spark or arch is possible.  Batteries produce potentially explosive hydrogen gas when charged.  Even sealed VRLA batteries are a threat.  All battery Cool cell have a hydrogen vent system.


Cool Cells must have full view of the night sky to function properly.