batteries

Your Old Laptop Batteries Could Be Repurposed To Power Lightbulbs

Every year, some 50 million lithium-ion laptop batteries find their way to the trash heap. IBM researchers in India have come up with a better idea. Many of those batteries still contain useable cells, which can be used to keep the lights on in homes without reliable access to the grid.


A 9V Battery Is All This Tiny Charger Needs To Revive Your Phone

When you’re spending the day with family you probably haven’t seen in a year, nothing is more vital to keeping your sanity than your smartphone. And to ensure it’s got enough charge to keep you busy on Twitter instead of actually having to talk to your cousins, the diminutive but clever Plan V charger accepts common 9V batteries for a quick boost.


Mophie Powerstation Plus Is A Burly, Convenient Backup Battery

Mophie portable batteries are some of the best out there, mostly because you can count on them to be reliable. The last thing you want is a cheap backup that fails you. The company’s latest top-tier line packs integrated charge and sync cables into a slick design that might actually be worth the hefty price tag.


This Portable Charger Has Every Connector You'll Need, Even AC Prongs

At this point there are just as many portable chargers on the market as there are iPhone cases and Bluetooth speakers combined. But somehow Ventev has done the impossible by creating a portable charger that manages to improve on the near infinite number of designs that came before it, by adding built-in Lightning and microUSB cables, as well as AC prongs so it can be plugged directly into an outlet.


We Need More Fat Phones With Killer Battery Life

Your smartphone has a terrible battery life. I can say this with confidence because it is universally true. Phones today have ludicrous screens and processors that rival the supercomputers of days gone by, but they can’t last a day. We need more thick phones that make it through the weekend.


Varta Ultra Fast Battery Charger: Australian Review

Buying batteries is a pain. Whether you’re sticking them in a remote control, in a wireless mouse or keyboard, or in a more demanding device like an external camera flash, it’s really difficult to pick the right variety. With single-use alkaline cells, you use them once, they run out, and then you throw them in the bin and pollute the planet. With rechargeables, you have a world of choice of different milliamp-hour ratings, and charging is a whole new ordeal. Varta’s Ultra Fast Battery Charger is the most versatile device you can buy for keeping your rechargeable batteries topped up and ready to go.


Report: Samsung Has Made Rollable Batteries That Bend Into A Hoop

Wearables: great, apart from the fact that batteries last about five minutes. Samsung, though, may have a solution: it’s just announced a new type of battery that is so flexible that it can be rolled up into a hoop.


New Li-Ion Batteries Charge 70 Per Cent In 2 Minutes, Last For 20 Years

A team of researchers in Singapore have developed a next generation lithium-ion battery that can recharge a battery to 70 per cent in just two minutes. That means it would charge an entire electric car in just 15 minutes. And here’s the kicker: it lasts over 20 years.


Finally, A Lithium Battery That Warns You Before It Bursts Into Flames

Lithium-ion batteries are wonderful things, but they’re unfortunately given to short circuiting and bursting into flames every now and then. It’s extraordinarily rare, but it happens. A Stanford research team thinks it has solved this little big problem by building an early warning system into an existing battery. They say it could save lives, which makes sense, because fire.


The Droid Turbo Could Have The Biggest Phone Battery You've Ever Seen

Want a phone with seriously killer battery life? It looks like the new Droid Turbo was built specifically for you. An image that showed up on TaoBao (basically Chinese Ebay) says that sucker will pack a mammoth 3900mAh battery. That is a lot of power.