Going off the grid is great until you realize ... Portable power banks have come a long way in just a few years thanks to the battery cell development powering modern electric cars.

announced it has released a portable battery bank, enabling users to back up their appliances during outages or carry power to off-grid locations. It is available to customers in the U.S. The new ...

To get a grip on how your off-grid system works, you need to know what keeps it running. Here are its key components: Battery ...