Battery Backup from GBOC Solar

Battery Backup diagram

Battery backup systems incorporate the components of both a grid-tie and off-grid system. It requires the solar array, inverter/charger, charge controller and battery bank. The only difference between the off- grid and battery backup system is that the backup system will only be supplying electricity to critical loads.

Before designing this system many of the same questions need to be asked. Your budget, what appliances you wish to run, how often these appliances run, ie: if you are running a fan on a gas furnace, how often will it run. Also, how long will you want the battery bank to be able to supply this power during an outage. Roof mounting or ground mounting will also need to be addressed.

As answers to these questions become apparent the balance of the system will fall into place.

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