Can An Apple Watch Charger Charge Airpods or iPhones?

The charging power of a charger is based on three things, the power (Watts), the current (Amperes) and the voltage (Volts). Power is a product of current and voltage. These calculations help determine how much energy a charger will need to deliver to its respective device in relation to the battery capacity. An example would be how iPad chargers provide electricity at a higher rate in comparison to iPhone chargers. Since the iPad has a larger battery capacity, it requires more power.

An Apple watch uses a MagSafe charging cable that is snapped into place by the magnets at the back of the watch. MagSafe is a series of proprietary magnetically attached power connectors. The charger is wireless and contains a magnet that holds the Apple watch up steadily while it charges. Wireless charging is carried out through electromagnetic induction. The charger uses an induction coil to create an alternating electromagnetic (EM) field. The receiver coil then converts the EM field back to electricity to juice up the battery. This new technology is called the Qi (chee) technology. The Qi is an open interface standard wireless power transfer system that uses induction charging for distances up to 4cm.

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Apple was among the first companies to adopt this new technology, integrating it with its latest products; iPhone 8, iPhone 8 Plus, iPhone X series 3 Apple watches and Gen2 Airpod cases. The phones are compatible with any Qi wireless chargers. Apple Watch and Airpods only use the Apple-approved wireless chargers but can be used along with a genuine iPad USB adapter in charging.

Despite all this new technology, former Apple products are fussy when it comes to adapting to this new charging system. The first Apple watch series uses the USB-C charging portal. The watch does not have a magnetic back and is substantially incompatible with the latest wireless charging technology. The iPhone 5 to 7 used the lightning ports to charge. The lighting ports are small connectors that charge devices, and connect them to computers and charging bricks. Charging bricks are devices that convert Alternating Current (AC) to Direct Current (DC) voltage slightly higher than the battery’s to ensure it stays fully charged. These two charging cables have some similarities but are different. The lighting ports are slimmer and more attuned with the apple phones, while the USB-C is more compatible with the iPads and Macbooks.

Lightning ports and USB-C chargers also create a wide variety of chargers for your Apple devices. The reason is that, before the wireless charging technology, most of the products used either the lightning ports or USB-C chargers. Great purchase would also be the wireless charging pods. Apple seems to be making more products geared towards wireless charging.

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The price, durability, compatibility, power delivery, and charging speed determines the best chargers. Well, the last two relate. If you are in the Apple ecosystem, you already know that almost each Apple product requires it’s own individualized charging port or system. The best move economically would be to get an Apple 12W USB power adapter. You would need to connect your device to the power adapter with the USB to the lightning port, 30-pin to USB cable, or Apple Watch charger that came with your device. The 12W USB power adapter guarantees faster charging than a 5W power adapter.

Whether Apple Watch chargers can charge iPhones and Airpods is still up for debate. The Apple Watch uses a different charging method from the other wireless phone chargers. But, the wireless charging system works using the same basic concept. So why wouldn’t the watch charger juice up the other two iPhone products?


My conclusion is that the new generation Apple watch chargers can charge the Gen2 Airpod case. The new generation of iPhones can also be charged, but at a slower rate than that of the phone’s charger. The Apple watch uses a 2W wireless charger, which is software activated to help market Apple’s wireless chargers. The battery capacity influences the amount of power supply a charger should be able to deliver. However, only some of the iPhone chargers can charge the Apple watch and Airpod. The reason being, as I stated above, the watch and Airpod can only be charged by apple approved Qi chargers.

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