Solar panels are a large investment. In order to have a properly working and efficient system, the system needs to have a good battery bank. A good battery bank will keep the system regulated, a constant power supply to the house, and be low maintenance. The initial investment for absorbent glass material (AGM) batteries is well worth the long term required maintenance costs. AGM batteries are a specific type of valve regulated lead-acid batteries (VRLA)

The Colony on Discovery Channel build a battery bank to provide energy to power the compound they occupy. Find out what it takes to survive without an abundant supply of energy.