The SMILE Plug includes a 5V Lithium-Ion polymer battery for back-up power, making it ideal for learning environments where electrical power can be inconsistent.

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The lines carry all the power corded phones need to function, and phone companies have massive battery banks and generators to back them up.

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After charging up the battery, sliding it into the rack system at the back of the bike (which could not be simpler), and locking it into place, you're ready to go.

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Xperia ZL also includes Battery STAMINA Mode that significantly improves the battery standby time by automatically shutting down battery-draining apps whenever the screen is off and starting them up again when the screen is back on.

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With a 1200mAh battery power bank, users can charge their phones via USB while they stream or use the speaker as a back-up power source on the go.

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