This Compact Device Keeps Small Electronics Running on Emergency Power

A UPS—or uninterruptible power supply—beneath your desk can be a lifesaver if your building loses electricity while you're working. However, most people don't own one because a UPS is typically designed for power-hungry desktop computers and end up being heavy and expensive—but not APC's new tiny and cheap Back-UPS… » 7/10/14 6:00pm 7/10/14 6:00pm

A Power-Packed Charger That Gives Your Phone Two Extra Lives For Just…

Anker's made a name for itself with high-capacity portable chargers that are still compact and easy to travel with. But the company is now launching a new smartphone accessories brand called Zolo that it hopes will also become synonymous with 'affordable' through the use of a crowdfunding campaign to cut out middle… » 6/23/14 1:20pm 6/23/14 1:20pm

These Inductive Batteries Keep Your Power Tools Perpetually Charged

It's almost impossible to think of a time when you had to wrangle a long cord while working with power tools. But as convenient as cordless tools are, they're useless if their batteries are dead. So this fall, Bosch will be introducing batteries with inductive charging that simply need to be placed on a base station… » 6/17/14 4:40pm 6/17/14 4:40pm

Recharging This Backup Battery Takes As Little As 15 Minutes

A backup battery can be a lifesaver if your phone is on the brink of dying—but only if it isn't dead as well. External power packs can usually take hours to charge depending on their capacity, but UNU claims its new Ultrapak GO and TOUR batteries can be charged enough to top off a smartphone in just fifteen minutes. » 6/10/14 4:20pm 6/10/14 4:20pm

Flexible Battery Straps Could Double a Smartwatch's Runtime

At Computex 2014, the folks over at Engadget stumbled across a clever solution to the battery life woes that have plagued smartwatches for years now. A company called ProLogium has developed a flexible lithium ceramic battery that can be shaped and worn like a watchband, adding an extra 500 mAh of power which means… » 6/04/14 9:07am 6/04/14 9:07am

Scientists Solved the Mystery of Why Rechargeable Batteries Go Bad

Every time you recharge your lithium-ion batteries, their storage capacity decreases just a little bit. That is why your mobile gadgets won't stay on nearly as long as they did even a year ago. But thanks to research by the US Department of Energy, we finally know why exactly that occurs and, more importantly, how to… » 5/29/14 1:40pm 5/29/14 1:40pm

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 4/15/14 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