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Tesla's Powerwall isn't for everyone ... yet

May 1, 2015
Tesla's new home battery may be ahead of its time.

Why your cell phone battery life still stinks

Apr 9, 2015
Unlike massive leaps in computing technology, batteries are tough to improve.

The first electric cars weren't 'manly' enough

Oct 7, 2014
Decisions about fuel have as much to do with gender norms as energy density.

iPhone battery drain: It was the operating system

Nov 3, 2011
We told you about this problem in Tuesday's memo and it was being widely blamed on the hardware of the new iPhone 4S, although we hinted at the...

IPhone 4S battery trouble

Nov 1, 2011
Are we going to have another antennagate on our hands? If your memory stretches waaaay back to the summer of 2010, you'll recall that the then-new...