Featured in batteries
Charge your lithium-ion battery devices for maximum longevity
Consider this a friendly reminder to charge your phone.
Feel empowered with the best rechargeable batteries
Ditch the disposables and take charge of selecting the best rechargeable batteries with this handy guide.
Renewable energy needs storage. These 3 solutions can help.
Storing renewable energy is key for a reliable low-carbon grid.
Power outages leave people with life-saving medical devices to fend for themselves
When the lights go off, so do ventilators, oxygen tanks, and more. But backup emergency systems are sparse, even as the US power grid grows more unstable.
Car jump starters that will bring your auto’s battery back to life
Forget AAA; you can handle it yourself.
Electric propulsion makes this French submarine concept extra sneaky
The stealthy SMX31E would be powered by lithium-ion batteries, like a Tesla.
Portable batteries for all kinds of power needs
Juice up for your commute or camping trip.
Tesla’s new battery tech promises a road to a cheap self-driving electric car
New battery manufacturing tech could lead to big jumps in electric vehicle efficiency if everything works out.
The best portable chargers to bring on your next adventure
Avoid the stress of needing GPS when your phone’s minutes from dying.
Make your laptop battery last all day
Take these steps to reduce your battery anxiety.