Aqara’s cord-free presence sensor runs for up to three years on battery power

The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation.
Futurism on MSN

Man Builds Huge Battery Bank From 500 Disposable Vapes to Power His Entire House

A YouTuber named Chris Doel cracked open hundreds of vapes to build an energy cell capable of powering his entire house.
CNET

Adaptive Power in iOS 26 Is Quietly Extending Your iPhone's Battery Life

Adaptive Power is on by default on the iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max and iPhone Air. For other models, you must opt in to use it. In iOS 26, you'll find the Adaptive Power toggle in ...

First Graphene-Based Solar Cells Used to Power Temperature Sensors

Tests confirm graphene-based energy harvesters can use ambient energy to run ultra-low power sensors — the first hurdle in developing autonomous sensor systems.