Everything you need to know about building your own DIY battery bank for solar, wind, hydroelectric and/or thermoelectric! What kind of batteries, how many, how to set them up, how to care for and maintain your batteries and much more! Terrific comprehensive video series to get you up and running in no time! Best video series we have found on the topic! If you are interested in alternative energy for emergency backup or off grid living, this is the video series for you!