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  1. I

    Is there a grid tie system that can be easily switched to non-grid tied?

    I'm in the US and would like to use solar even if the grid goes down while using a grid-tied system. I'd like to get the cost savings of feeding the grid while the grid is up, but if the grid goes down I want to be able to use the solar to charge my batteries. I'm not concerned about a failover...
  2. I

    Can't figure out charger/invert size needed

    Hi - I'm trying to plan an off-grid system and have run into a problem with selecting an inverter/charger. The system needs to handle 22 kWh per day (most days won't need that, but just being safe). I plan on using 48v for everything, with LiFePO4 batteries. Based on that usage, this site...
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