Is Tesla’s Powerwall really that great?

posted in: Stuff, Tech | 3

Two Tesla PowerwallsFor about a month ads appeared in my Facebook timeline trying to sell alternative energy solutions. They pushed the Tesla Powerwall as a good solution because it is “pretty”. For a technical person “pretty” is very low on the list of reasons why you will buy something that will be bolted onto your garage wall. more....

Battery Centre needs the Battery University

posted in: Bad Tech, Stuff, Tech | 3

Edit: This is by far the most popular post on this blog. unfortunately it has become a bit dated and it seems that the only batteries you can find for sale at the moment are silver-calcium. If you have an older car I suggest that you buy a decent multi stage  battery charger and charge your car battery … Read More