You have to mine 240 tons of soil for the rare minerals used in Electric batteries.  

Electronic Lifts- disconnect the battery if leavingfor long term storage.K.

But if one sees it from the larger ecosystem for example, let's say Tesla , created demand for nickel in the nickel-producing country to build the battery.

  $5 for batteries and whatever your time costs. 

If so, install a propane pig underground, and hook up a propane generator to it if your local regulations allow for it.If a propane truck can't get get to the site, there are several all-in-one battery solutions that have the battery and inverter and solar panels together. 

If you have internet connection onsite the meter has 5 year battery and you can read it remotely.The old versions basically had an outside meter in a lock box in parallel with the water line.  

What is the battery life? 

For whatever reason, these remotes seem to always end up with a broken battery cover.  

When I went down till then there was no water and I just realized that sump pump in corner wouldn’t run without electricity and there was no battery but I assumed that electricity will be back and it will be fine but within half an hour before I left basement water started overflowing from sump pump.

Tesla is building their new semi-truck factory next to their battery factory, Microsoft, Apple and Google are investing millions into data centers.