Alex will attend the Global Developers Conference. To ensure that Alex can stay in touch with team members, what should Alex bring to keep the mobile device powered during the day, considering the limited availability of power outlets at the venue?
Bring a power splitter to connect multiple devices to a single outlet
Utilize a smartphone case equipped with a backup battery
Switch the smartphone to airplane mode to save battery life
By selecting a smartphone case with an integrated backup battery, Alex ensures an additional power source without relying on wall outlets. A wireless charging pad is impractical without a power source, and a power strip still depends on outlet access. Activating airplane mode conserves battery but impedes communication, thus not meeting Alex's needs.
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What is a backup battery case and how does it work?
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Why is airplane mode helpful for conserving battery, and what are its limitations?
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What other accessories can help to keep a smartphone charged on the go?