Do IoT Devices Really Need Batteries?

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With millions of sensors, beacons, trackers, nodes, and devices, the Internet of Things (IoT) is expanding into every nook and cranny of the modern world.  

What do all these devices have in common? 

They are all powered from some form of the storage element. Whether it’s a battery, capacitor, fuel cell, or wind up watch, all devices need something that can store and provide stable, predictable power.

Storage elements also play a vital role in indoor light harvesting and solar solutions, where power can be sporadic and unpredictable. 

Primary batteries, rechargeable batteries, and capacitors are the most common storage elements used in IoT systems. They can be paired with solar energy harvesting to enhance a device's power performance.

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