To get the best efficiency for my battery backup system I want to make sure that the backup battery is large enough to cope with at least twice the total amp hours required in my calculations. So, in ...

Google has agreed to back a large-scale iron-air battery system to supply power for a data center in Minnesota, a deal that routes an unusual energy storage technology into one of the most electricity ...

In the fight to kill planet-cooking carbon emissions, rechargeable lithium-ion batteries have become a core technology. They can power electric cars that get more than 300 miles per charge. They can ...