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?
Carry a portable charging pad
Utilize a smartphone case equipped with a backup battery
Bring a power splitter to connect multiple devices to a single outlet
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 are the advantages of a smartphone case with a backup battery?
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How does activating airplane mode help with battery life?
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Why might a power splitter not be a good solution for charging multiple devices?