The OnePlus Watch 3's smaller 43mm variant reportedly packs a smaller battery, losing out on a full day of battery.

Pitaka’s new MagSafe battery pack blends slim design with Qi2 performance. Here’s what works—and what still needs work.

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The British VarEVolt battery has been granted the certification needed so it can be manufactured on a large scale, meaning more EV makers can use them in their cars.