if you know how they work, one can then understand how they fit into a Solar Power application so we can convince ourselves that the lower price is indeed worth it or if we should invest in a future battery.

So why lead acid … that is so yesterday? Ok – here is an Li-ion link. Lead acid is cheap and Li-Ion is 4x the price (go look!) and Lead Acid is a well understood technology that takes abuse well. It took L-ion 40 years to get where it is and it was finicky. Lead Acid is much heavier is the downside. Sorry Tesla – you will have to wait for my lucky bucks for my wall mounted unit. Li-Ion are the correct choice for cars (a topic for another blog day) – but Solar … not yet. Chargers for Lead Acid – here’s the scoop.