A Smiling Backup Battery That Gets Sad When It Loses Its Charge

We've come to rely on blinking dots and obscure icons to tell when a device's battery is low, but the human face is just so much easier to read and decipher. You wouldn't want to have to flip a baby over and check a set of LEDs to see if it was happy, so the expressive face on this Mr Pow backup battery reflecting its… » 4/15/14 2:20pm Tuesday 2:20pm

Which State Will Get Tesla's Gargantuan Battery Factory?

Electric car maker Tesla wants a cheaper, faster way to produce the lithium ion batteries that power its cars, and the company has settled on a gargantuan solution: the so-called "gigafactory" that, if all goes as planned, will crank out more lithium ion batteries than the entire world produced in 2013. » 4/01/14 4:54pm 4/01/14 4:54pm

Use Your Favorite USB Keyboard On Your Phone With This Backup Battery

It can be hard to choose a backup battery when the market is as flooded as Bluetooth speakers and iPhone cases have become. Manufacturers are now finding ways to include added value with their emergency power supplies, like Cerevo's new EneBrick that can turn your favorite USB keyboard into a wireless Bluetooth… » 4/01/14 3:40pm 4/01/14 3:40pm

Gooey Electrolyte Could Put an End to Battery Fires

Battery fires are no fun. Just ask Boeing. Problem is, lithium-ion batteries are full of liquid acid electrolyte that gushes out when a battery's housing ruptures, causing chemical burns and fires. Not fun. But what if, instead of burny liquid, batteries were filled with a viscous goo that would stay put? That's… » 2/05/14 12:40pm 2/05/14 12:40pm

There's a Surprising Amount Of Power Inside This Super-Thin Battery

Last year Vorson managed to squeeze a 2,500 mAh battery into its Bookmark power pack that measured in at just 4.7 millimeters at its thinnest point. Impressive! But it's a wimp next to EnerPlex's new Jumpr Slate, which packs a heft new 10,000 mAh battery into a binder-friendly, blade-thin package. » 1/15/14 1:20pm 1/15/14 1:20pm

A Charging Cable That Saves a Little Power For Later

A backup battery for your phone is only useful if you're willing to carry it with you. So Native Union has come up with the JUMP which integrates a little extra power into your smartphone's charging cable, ensuring it's light enough to carry and always has a little bit of extra power to keep your device running. » 1/10/14 11:25am 1/10/14 11:25am

The Batteries of the Future Could Be Powered By Rhubarb

Building the perfect battery is a hard problem. Batteries either too inefficient or too expensive or too unstable to power the renewable gadgets of the future. But a team of Harvard scientists just built a new kind of battery with a molecule found in food, and it could solve these problems. » 1/10/14 11:03am 1/10/14 11:03am

The ChugPlug Adds a Backup Battery To Your MagSafe Power Adapter

If you own a smartphone and actually use it on a daily basis, there's a good chance you've always got a backup battery close at hand. But what about your MacBook? Instead of desperately hunting for a plug when its battery life dwindles, Lenmar's new ChugPlug is designed to integrate with the MagSafe adapter giving you… » 12/30/13 4:30pm 12/30/13 4:30pm

How To Take Care of Your Smartphone Battery the Right Way

Your smartphone is a minor miracle, a pocket-sized computer that can fulfill almost every whim. But none of its superpowers matter a bit if it runs out of juice. With removable batteries becoming more and more rare, you've got to take good care of the one you got. Fortunately, it's not to hard keep the lithium-ion… » 12/25/13 8:55am 12/25/13 8:55am

Pop-up Ports Keep this Backup Battery Slim and Svelte

What's the point of carrying around a backup battery that's larger than the smartphone it's designed to boost? It defeats the purpose of carrying a pocketable device in the first place. When it comes to backup batteries, slim is the only way to go, and with a set of pop-ports that keep its USB ports free of dust and… » 12/24/13 11:30am 12/24/13 11:30am

A Crazy Thin Backup Battery You Can Probably Also Use as a Bookmark

You know the drill. Your smartphone's battery rarely lasts a full day, but carrying around a clunky external backup sounds like a hassle coupled with a burden. Unless you've opted for Vorson's Bookmark which packs a 2,500 mAh battery into a remarkably thin housing that's just 4.7 millimeters thick. There are magazines… » 12/13/13 10:00pm 12/13/13 10:00pm

Oh my God, idiot geniuses jump started a car with an AK-47

Filed in things you now know are possible but should probably never try in your lifetime unless your life depended on it but maybe still shouldn't: jump starting a dead car battery with an AK-47. Yes, you can do that. Watch these insane Iraqi soldiers use the metal of the AK-47 to bridge the two batteries. Metal… » 12/03/13 11:54pm 12/03/13 11:54pm

Scientists Have Figured Out How to 3D Print Batteries

Guns? Sure. Airplane engines? Why not! But 3D printing batteries has caused some headaches among researchers—until now. Because new inks and tools are making 3D-printed lithium ion cells a very real possibility. » 11/26/13 9:20am 11/26/13 9:20am