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Apple presented a new generation at yesterday's keynote Apple Watch. The most important innovation of the Series 3 is LTE support, which is, however, very limited to a narrow circle of countries, and so it happened that the latest version of the smart watch is unavailable in many countries. This also applies to the Czech Republic, where only the Wi-Fi model is available, which is offered only in an aluminum version. Those interested in steel and ceramics are out of luck, at least until Czech operators start supporting eSIM and the LTE Apple Watch Series 3 starts working here as well. One of the biggest question marks is battery life, as no detailed official figures were released last night. They only appeared later on the website.

The basic information during the keynote was that even the Series 3 can stay charged for up to 18 hours. However, it is abundantly clear that this value definitely does not indicate the state when the user is actively using LTE. As it turns out, getting to 18 hours will require a considerable amount of self-control over how much we work with the watch, as the official data says that you can achieve this endurance with "normal use" and 30 minutes of exercise.

The battery life starts to decrease rapidly as soon as you start using the watch actively. For example, for three hours in call mode, but only if the Apple Watch is connected to "their" iPhone. If you make pure LTE calls, the battery life will drop to one hour. The Series 3 won't be much for a longer conversation.

As for exercise, the Apple Watch should last up to 10 hours during indoor activities when the GPS module is not turned on. That is, some exercise in the gym, cycling, etc. However, as soon as you move outside and the watch turns on the GPS module, the battery life drops to five hours. If the watch also uses the LTE module together with the GPS, the battery life will drop by an hour, to around four hours.

When listening to music, in the mode of connecting the watch with the iPhone, the duration is about 10 hours. That's an increase of some 40% over the previous generation. However, Apple doesn't mention how long the battery will last if you stream from Apple Music over LTE. We will have to wait for these data until the first reviews.

The battery life of the new LTE models is a little disappointing, although it was clear that no miracles were going to happen. Versions without an LTE module will fare better, and given that this is currently (and will remain so for some time to come) the only model that Apple offers in our country, it shouldn't bother anyone too much.

Source: Apple Lossless Audio CODEC (ALAC),

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