What is a battery pack or portable charger? | Fair Voyage

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What is a battery pack or portable charger?

A battery pack or portable charger is a device that stores energy for use in charging devices. The battery pack is plugged into a USB port or electrical outlet until it is fully charged. Then, it can be disconnected and taken anywhere.

If you connect your devices to the battery pack with a USB cord, you can use the charged battery pack’s reserved energy to power up your smartphones, tablets or other devices.