The watt reigns supreme, if only companies would share it with us. Every time I see “mAh” on a consumer product, I cringe.

Understanding watt-hours will help you survive power outages and off-grid adventures.

Picking the wrong charger could mean slow charging or even damage to your device. And with so many choices and lookalikes out ...

The fact is that today’s rechargeable batteries don’t love it when they are fully charged or run down too close to empty.

From PD to PPS and MagSafe to Qi2, we explain common smartphone charging technologies and how to fast-charge your phone.

Green Watt Power’s Diamond Series of 2.4-kW AC chargers target e-mobility applications with 36-120-V Li-ion batteries.

While the MagSafe charger supports 15 watts, a Qi charger only gives you ... or playing mobile games while charging your iPhone, the battery will charge much slower, so just leave it untouched ...

The Battery Level chart is annotated in various ... you will be waiting significantly longer for your phone to reach 100%. With a 5-watt charger, it can take an iPhone 16 up to 4 hours to reach ...