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Welcome to Tech News Briefing. It's Thursday, June 26th. I'm Victoria Craig for the Wall Street Journal.

Hate it when your cell phone dies before the day is done. Join the club. A battery that lasts 50% longer

is finally in production. But what are the hurdles to getting it into our devices? Then hackers are all over the web. Now they're turning

the helpful army of tech support agents against us. We'll tell you what you need to know.

But first, every day, I towed around a fairly heavy little bag of battery chargers and their

corresponding cables. Just because you never know

when you might need some extra juice if work runs late or you decide to grab dinner out before

heading home. And in this day and age, the last thing any of us wants is to be running around

without access to our cell phones. But there soon might be a day that heavy little bag is no longer needed because the

elusive technology of solid state batteries might soon make their way into our consumer

electronics. Christopher Mims, a WSJ Tech columnist and co-host of the Bold Names podcast, has been

digging into this topic. Christopher, why are solid-state batteries such a difficult

innovation to tackle? Solid-state batteries, they are the holy grail of batteries. They're,

in theory, the fastest charging, the most energy-dense we can possibly make. The problem is that

as the lithium ions moving around in a solid state battery do their thing, they actually make

the battery expand and contract it breathes and the battery will just crack itself apart.

Or it has to be in this crazy metal enclosure to keep it from expanding and contracting too much.

And you don't have that problem

...