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How Long Does Apple Watch Ultra Takes To Charge Completely?

Here is all you need to know on how long your Watch Ultra will take to charge and what can be done to fast charge it.

Getting the Apple Watch Ultra is a good option, but the only disturbing thing about it is its charge time. The promised battery to work with is 36 hours on full charge but to use it back you will have to charge the watch. So, if you are not sure how much time your Watch will take to charge and how you can move to a fast charging option, you are at the right place. Here, we have covered how much time will Apple Watch Ultra take to charge completely. Also, we have brought you some tips to fast charge your SmartWatch.

Time Required To Charge Apple Watch Ultra

Charging Time


After the Watch Series 6, there has been a boost in the Apple Watches’ battery life. Now, as the battery life has increased, so has the time to charge it completely. But, due to the fast-charge feature on Apple Watch Series 7, Series 8, and Ultra, it has become easier and faster to charge them. The Apple Watch Ultra takes only about an hour to go from 0 to 80%. Furthermore, to charge it completely, you will need to invest thirty more minutes.

The Watch Ultra has a larger battery that requires a little more time than it requires to charge Apple Watch Series 7 and 8. But, the watches below Series 7 take more time than the newer Watch models. This is due to the fast charging option in the Watch Series 7 and higher models.

Tips To Fast Charge Your SmartWatch

Speaking of the fast charging, not all Apple Watches support it. Only the Watch 7, 8, and Ultra support fast charging. Now, as Apple Watch Ultra supports fast charging, here are some tips that you should know to do it properly:

  • Using the suitable cable – Using the cable that comes with the Apple Watch Ultra is the best one if you want fast charging. The USB-C Magnetic Fast Charging Cable that comes with Watch Ultra can also be brought from third-party stores. Just to remember, the model number for the cable is A2515, to get the correct wire for fast charging.
  • Power Adapter – The power adapter suggested to use for fast charging your Apple Watch Ultra should be more than 17W. Also, it should be the USB-C power adapter from Apple. If not Apple, use a third-party power adapter with USB-C Power Delivery of more than 5W. Also, this has to be brought separately as it does not come with your Apple Watch box.
  • Try not to use the Watch while on Charge. When charging the watch, using it might affect its charging speed. Try not to use it while on Charge.

This was all about how long it takes to charge your Apple Watch Ultra and some tips to move to fast charging. Also, once charged completely you can sit back and use the watch for more than a day without worrying about the charging. Now, to read more about Apple Watches and more, refer to these guides on TechnClub – Best Apple Watch 2023 or Best Apple Watch Wireless Fast Charger 2023.