batteries

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 charge level just makes sense.


Lightning Review: Xiaomi's Portable Battery Is Ridiculously Powerful

There’s nothing more frustrating than being caught without power. If your phone is dead in the middle of a long day, you can’t call, or text, or check Facebook. If your tablet is dead in the middle of a long flight, you can’t pass the time with movies or reading. That’s where a USB battery pack comes in handy — and Xiaomi’s latest is hugely powerful.


Use Your Favourite 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, such as Cerevo’s new EneBrick that can turn your favourite USB keyboard into a wireless Bluetooth accessory for your tablet or smartphone.


Passengers Heat This Battery Bus Shelter By Holding Each Other's Hands

The only thing worse than the cold is when you’re stuck in the middle of it waiting for a bus. So to make the experience a little less awful, Duracell turned a bus shelter in Montreal into a giant battery that powered a set of warmth-providing heaters.


Great Gadgets For Going Back To Uni

You’ve got your tablets, laptops and your smartphones for going back to uni, but what about the gadgets? There are hundreds of them: which ones are right for you and your studies? Here’s stuff you might actually get some use out of.


Pomegranate-Inspired Batteries Hold 10x The Juice

A team of Stanford scientists recently made a breakthrough. After years of trying to create a new generation of lithium-ion batteries that use energy-efficient silicon to hold a charge, they found the secret to the winning design in an unlikely place: pomegranates.


The First Ever Battery

Fourteen centimetres in height and eight around, the world’s first battery looked more like primitive pre-Columbian art than an amazing piece of ancient technology. Although most experts agree that the device produced electricity, there is little consensus on what that power was intended to do.


Gooey Electrolyte Could Put An End To Battery Fires

Battery fires are no fun. Just ask Boeing. The 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 exactly what these Washington State University researchers propose.


Report: Apple's Smartwatch Could Use Wireless Charging And Solar Power

The New York Times reports that Apple is researching new technologies to charge its products — and it could see its smartwatch come equipped with solar charging capabilities. Some day.


Massive 24,000mAh Battery Pack Is Like A Tiny Reactor In Your Pocket

If keeping your smartphones, tablets and other gear running all day long is more important to you than keeping your backpack light, the latest addition to Limefuel’s lineup of backup batteries — this 24,000mAh monstrosity — should be part of your daily kit.