One of the best mice on the market is on sale for $67
Logitech MX Master 2S isn’t the newest model, but it’s still a great mouse.
Self-charging pacemakers are powered by patients' heartbeats
The invention could do away with risky and expensive battery-replacement surgery.
'Proton' battery uses cheap carbon instead of lithium
It could make home and grid storage infinitely cheaper.
Smartphone batteries with twice the life may arrive in 2017
SolidEnergy is preparing to commercialize its "lithium metal" tech.
Energizer intros rechargeable batteries made from recycled cells
The new Energizer Recharge line helps the environment while it saves you cash.
Stanford's aluminum battery fully charges in just one minute
Lithium-ion batteries have been a boon for the modern world -- they've replaced the heavier, sin...
Dyson's new battery tech promises longer-lasting electronics
Battery research that tantalizes and then goes bust has soured our dreams of longer-lasting smartp...
Mobile device power shines with Etón's new BoostSolar
It may rank closer to the "inconvenience" end on the post-disaster scale of challenges,...
EcoXPower charges a smartphone, bicycle headlight and tail light with pedal power
Bicycle rigs for charging cellphones have lit up our radar before, but now the EcoXPower is being...